Mitsubishi Electric MELSEC-Q/L Owner's manual

MELSEC-Q/L
Programming Manual
(Common Instruction)

1
SAFETY PRECAUTIONS
(Read these precautions before using this product.)
Before using this product, please read this manual and the related manuals introduced in this manual, and pay full attention to
safety to handle the product correctly.
Please store this manual in a safe place and make it accessible when required. Always forward a copy of the manual to the
end user.
CONDITIONS OF USE FOR THE PRODUCT
(1) Mitsubishi programmable controller ("the PRODUCT") shall be used in conditions;
i) where any problem, fault or failure occurring in the PRODUCT, if any, shall not lead to any major or serious accident;
and
ii) where the backup and fail-safe function are systematically or automatically provided outside of the PRODUCT for the
case of any problem, fault or failure occurring in the PRODUCT.
(2) The PRODUCT has been designed and manufactured for the purpose of being used in general industries.
MITSUBISHI SHALL HAVE NO RESPONSIBILITY OR LIABILITY (INCLUDING, BUT NOT LIMITED TO ANY AND ALL
RESPONSIBILITY OR LIABILITY BASED ON CONTRACT, WARRANTY, TORT, PRODUCT LIABILITY) FOR ANY
INJURY OR DEATH TO PERSONS OR LOSS OR DAMAGE TO PROPERTY CAUSED BY the PRODUCT THAT ARE
OPERATED OR USED IN APPLICATION NOT INTENDED OR EXCLUDED BY INSTRUCTIONS, PRECAUTIONS, OR
WARNING CONTAINED IN MITSUBISHI'S USER, INSTRUCTION AND/OR SAFETY MANUALS, TECHNICAL
BULLETINS AND GUIDELINES FOR the PRODUCT.
("Prohibited Application")
Prohibited Applications include, but not limited to, the use of the PRODUCT in;
• Nuclear Power Plants and any other power plants operated by Power companies, and/or any other cases in which the
public could be affected if any problem or fault occurs in the PRODUCT.
• Railway companies or Public service purposes, and/or any other cases in which establishment of a special quality
assurance system is required by the Purchaser or End User.
• Aircraft or Aerospace, Medical applications, Train equipment, transport equipment such as Elevator and Escalator,
Incineration and Fuel devices, Vehicles, Manned transportation, Equipment for Recreation and Amusement, and
Safety devices, handling of Nuclear or Hazardous Materials or Chemicals, Mining and Drilling, and/or other
applications where there is a significant risk of injury to the public or property.
Notwithstanding the above, restrictions Mitsubishi may in its sole discretion, authorize use of the PRODUCT in one or
more of the Prohibited Applications, provided that the usage of the PRODUCT is limited only for the specific
applications agreed to by Mitsubishi and provided further that no special quality assurance or fail-safe, redundant or
other safety features which exceed the general specifications of the PRODUCTs are required. For details, please
contact the Mitsubishi representative in your region.

2
INTRODUCTION
This manual "MELSEC-Q/L Programming Manual (Common Instruction)" describes the common instructions required for
programming of the QCPU and LCPU.
"Common instructions" are all instructions except for dedicated instructions for intelligent function modules; PID control
instructions; process control instruction; SFC instructions; ST instructions; instructions for socket communication features;
trigger logging instructions for the LCPU; and dedicated instructions for LCPU positioning/counter functionality.
Before using this product, please read this manual and the relevant manuals carefully and develop familiarity with the
functions and performance of the MELSEC-Q or -L series programmable controller to handle the product correctly.
When applying the program examples introduced in this manual to an actual system, ensure the applicability and confirm that
it will not cause system control problems.
Relevant CPU module
CPU module Model
Basic model QCPU Q00JCPU, Q00CPU, Q01CPU
High Performance model QCPU Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU
Process CPU Q02PHCPU, Q06PHCPU, Q12PHCPU, Q25PHCPU
Redundant CPU Q12PRHCPU, Q25PRHCPU
Universal model QCPU Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU, Q03UDCPU, Q03UDVCPU, Q03UDECPU,
Q04UDHCPU, Q04UDVCPU, Q04UDEHCPU, Q06UDHCPU, Q06UDVCPU, Q06UDEHCPU,
Q10UDHCPU, Q10UDEHCPU, Q13UDHCPU, Q13UDVCPU, Q13UDEHCPU, Q20UDHCPU,
Q20UDEHCPU, Q26UDHCPU, Q26UDVCPU, Q26UDEHCPU, Q50UDEHCPU, Q100UDEHCPU
LCPU L02SCPU, L02SCPU-P, L02CPU, L02CPU-P, L06CPU, L06CPU-P, L26CPU, L26CPU-P, L26CPU-BT,
L26CPU-PBT

3
CONTENTS
CONTENTS
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
CONDITIONS OF USE FOR THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
MANUALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
TERMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
CHAPTER 1 GENERAL DESCRIPTION 16
1.1 Related Programming Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CHAPTER 2 INSTRUCTION TABLES 21
2.1 Types of Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.2 How to Read Instruction Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.3 Sequence Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Contact instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Association instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Output instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Shift instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Master control instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Termination instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Other instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2.4 Basic Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Comparison operation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Arithmetic operation instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Data conversion instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Data transfer instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Program branch instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Program execution control instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
I/O refresh instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Other convenient instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.5 Application Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Logical operation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Rotation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Shift instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Bit processing instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Data processing instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Structure creation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Data table operation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Buffer memory access instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Display instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Debugging and failure diagnosis instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Character string processing instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Special function instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Data control instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Switching instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Clock instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Expansion clock instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Program control instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
PID instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

4
Other instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
2.6 Instructions for Data Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Instructions for network refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Instructions for reading/writing routing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Refresh device write/read instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
2.7 Multiple CPU Dedicated Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Instructions for writing to the CPU shared memory of host CPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Instructions for reading from the CPU shared memory of another CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
2.8 Multiple CPU High-speed Transmission Dedicated Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Instructions for multiple CPU high-speed transmission. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
2.9 Redundant System Instructions (For Redundant CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Instructions for redundant system (for Redundant CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
CHAPTER 3 CONFIGURATION OF INSTRUCTIONS 80
3.1 Configuration of Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
3.2 Designating Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Using bit data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Using word (16 bits) data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Using double word (32 bits) data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Using single/double-precision real number data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Using character string data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
3.3 Indexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
3.4 Indirect Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
3.5 Reducing Instruction Processing Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Subset processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Operation processing with standard device registers (Z) (Universal model QCPU and LCPU only) . . . . . . . . 109
3.6 Cautions on Programming (Operation Errors) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
3.7 Conditions for Execution of Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
3.8 Counting Step Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
3.9 Operation When the OUT, SET/RST, or PLS/PLF Instructions Use the Same Device . . . . . . . . . . . . . . . . 122
3.10 Precautions for Use of File Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
CHAPTER 4 HOW TO READ INSTRUCTIONS 129
CHAPTER 5 SEQUENCE INSTRUCTIONS 131
5.1 Contact Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Operation start, series connection, parallel connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Pulse operation start, pulse series connection, pulse parallel connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Pulse NOT operation start, pulse NOT series connection, pulse NOT parallel connection. . . . . . . . . . . . . . . . 136
5.2 Association Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Ladder block series connection, ladder block parallel connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Operation results push, operation results read, operation results pop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Operation results inversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Operation results conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Pulse conversion of edge relay operation results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
5.3 Output Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Out (excluding timers, counters, and annunciators) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Low-speed timer, high-speed timer, low-speed retentive timer, high-speed retentive timer . . . . . . . . . . . . . . . 150
Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Annunciator output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

5
CONTENTS
Setting devices (excluding annunciators) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Resetting devices (excluding annunciators) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Setting annunciators, resetting annunciators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Rising edge output, falling edge output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Bit device output inversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Pulse conversion of direct output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
5.4 Shift Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Bit device shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
5.5 Master Control Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Setting the master control, resetting the master control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
5.6 Termination Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Main routine program end . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Sequence program end. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
5.7 Other Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Sequence program stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
No operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
CHAPTER 6 BASIC INSTRUCTIONS 187
6.1 Comparison Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
BIN 16-bit data comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
BIN 32-bit data comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Floating-point data comparisons (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Floating-point data comparisons (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Character string data comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
BIN 16-bit block data comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
BIN 32-bit block data comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
BIN 16-bit data comparisons (small, match, large) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
BIN 32-bit data comparisons (small, match, large) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
BIN 16-bit data band comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
BIN 32-bit data band comparisons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Floating point comparisons (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Floating point comparisons (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Floating point band comparisons (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Floating point band comparisons (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
6.2 Arithmetic Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
BIN 16-bit addition and subtraction operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
BIN 32-bit addition and subtraction operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
BIN 16-bit multiplication and division operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
BIN 32-bit multiplication and division operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
BCD 4-digit addition and subtraction operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
BCD 8-digit addition and subtraction operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
BCD 4-digit multiplication and division operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
BCD 8-digit multiplication and division operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Addition and subtraction of floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Addition and subtraction of floating-point data (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Multiplication and division of floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Multiplication and division of floating-point data (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
BIN 16-bit data block addition and subtraction operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
BIN 32-bit data block addition and subtraction operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Linking character strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

6
16-bit BIN data increment, 16-bit BIN data decrement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
32-bit BIN data increment, 32-bit BIN data decrement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
6.3 Data Conversion Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Conversion from BIN data to BCD 4-digit data, conversion from BIN data to BCD 8-digit data . . . . . . . . . . . . 269
Conversion from BCD 4-digit data to BIN data, conversion from BCD 8-digit data to BIN data . . . . . . . . . . . . 271
Conversion from BIN 16-bit data to floating-point data (single precision), conversion from BIN 32-bit data to
floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Conversion from BIN 16-bit data to floating-point data (double precision), conversion from BIN 32-bit data to
floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Conversion from floating-point data to BIN 16-bit data (single precision), conversion from floating-point data to
BIN 32-bit data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Conversion from floating-point data to BIN 16-bit data (double precision), conversion from floating-point data to
BIN 32-bit data (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Conversion from BIN 16-bit to BIN 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Conversion from BIN 32-bit to BIN 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Conversion from BIN 16-bit data to Gray code, conversion from BIN 32-bit data to Gray code . . . . . . . . . . . . 283
Conversion from Gray code to BIN 16-bit data, conversion from Gray code to BIN 32-bit data . . . . . . . . . . . . 285
Complement of 2 of BIN 16-bit data (sign inversion), complement of 2 of BIN 32-bit data (sign inversion) . . . 287
Floating-point sign inversion (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Floating-point sign inversion (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Conversion from block BIN 16-bit data to BCD 4-digit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Conversion from block BCD 4-digit data to block BIN 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Conversion from single precision to double precision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Conversion from double precision to single precision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
6.4 Data Transfer Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
16-bit data transfer, 32-bit data transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Floating-point data transfer (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Floating-point data transfer (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Character string transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
16-bit data negation transfer, 32-bit data negation transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Block 16-bit data transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Identical 16-bit data block transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Identical 32-bit data block transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
16-bit data exchanges, 32-bit data exchanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Block 16-bit data exchanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Upper and lower byte exchanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
6.5 Program Branch Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Pointer branch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Jump to END . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
6.6 Program Execution Control Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Interrupt disable, interrupt enable, interrupt program mask. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Recovery from interrupt programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
6.7 I/O Refresh Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
I/O refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
6.8 Other Convenient Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Counter 1-phase input up or down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Counter 2-phase input up or down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Teaching timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Special function timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Rotary table shortest direction control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343

7
CONTENTS
Ramp signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Pulse density measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Fixed cycle pulse output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Pulse width modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Matrix input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
CHAPTER 7 APPLICATION INSTRUCTIONS 355
7.1 Logical Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Logical products with 16-bit data, logical products with 32-bit data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Block logical products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Logical sums of 16-bit data, logical sums of 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Block logical sum operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
16-bit exclusive OR operations, 32-bit exclusive OR operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Block exclusive OR operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
16-bit data exclusive NOR operations, 32-bit data exclusive NOR operations . . . . . . . . . . . . . . . . . . . . . . . . . 375
Block exclusive NOR operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
7.2 Rotation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Right rotation of 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Left rotation of 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Right rotation of 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Left rotation of 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
7.3 Shift Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
n-bit shift to right of 16-bit data, n-bit shift to left of 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
1-bit shift to right of n-bit data, 1-bit shift to left of n-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
n-bit shift to right of n-bit data, n-bit shift to left of n-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396
1-word shift to right of n-word data, 1-word shift to left of n-word data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
n-word shift to right of n-word data, n-word shift to left of n-word data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Bit shift right. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Bit shift left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
Word shift right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408
Word shift left. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
7.4 Bit Processing Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412
Bit set for word devices, bit reset for word devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412
Bit tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Batch reset of bit devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
7.5 Data Processing Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
16-bit data search, 32-bit data search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
16-bit data bit check, 32-bit data check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Decoding from 8 to 256 bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423
Encoding from 256 to 8 bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
7-segment decode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427
4-bit dissociation of 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429
4-bit linking of 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Dissociation of random data, linking of random data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
Data dissociation in byte units, data linking in byte units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
Maximum value search for 16-bit data, maximum value search for 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . 440
Minimum value search for 16-bit data, minimum value search for 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . . 442
BIN 16-bit data sort operations, BIN 32-bit data sort operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Calculation of totals for 16-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
Calculation of totals for 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449

8
Calculation of averages for 16-bit data, calculation of averages for 32-bit data . . . . . . . . . . . . . . . . . . . . . . . . 450
Check code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
CRC operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
7.6 Structure Creation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
FOR to NEXT instruction loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Forced end of FOR to NEXT instruction loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Subroutine program calls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462
Return from subroutine programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467
Subroutine program output OFF calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
Subroutine calls between program files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472
Subroutine output OFF calls between program files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477
Subroutine program calls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481
Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487
Select refresh (COM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489
Select refresh (CCOM(P)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492
Index modification of entire ladder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493
Designation of modification values in index modification of entire ladders . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496
7.7 Data Table Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498
Writing data to the data table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498
Reading oldest data from tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Reading newest data from data tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502
Deletion of data from data tables, insertion of data in data tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504
7.8 Buffer Memory Access Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506
Reading 1-word data from the intelligent function module, reading 2-word data from the intelligent function
module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506
Writing 1-word data to the intelligent function module, writing 2-word data to the intelligent function module
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509
7.9 Display Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512
Print ASCII code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512
Print comment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515
Error display and annunciator reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 518
7.10 Debugging and Failure Diagnosis Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520
Special format failure check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520
Changing check format of CHK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 524
7.11 Character String Processing Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528
Conversion from BIN 16-bit data to decimal ASCII, conversion from BIN 32-bit data to decimal ASCII . . . . . . 528
Conversion from BIN 16-bit data to hexadecimal ASCII, conversion from BIN 32-bit data to hexadecimal
ASCII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531
Conversion from BCD 4-digit data to decimal ASCII data, conversion from BCD 8-digit data to decimal
ASCII data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534
Conversion from decimal ASCII to BIN 16-bit data, conversion from decimal ASCII to BIN 32-bit data . . . . . . 537
Conversion from hexadecimal ASCII to BIN 16-bit data, conversion from hexadecimal ASCII to BIN 32-bit
data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540
Conversion from decimal ASCII to BCD 4-digit data, conversion from decimal ASCII to BCD 8-digit data . . . 543
Reading device comment data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546
Character string length detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 549
Conversion from BIN 16-bit data to character string, conversion from BIN 32-bit data to character string . . . . 551
Conversion from character string to BIN 16-bit data, conversion from character string to BIN 32-bit data . . . . 556
Conversion from floating-point data to character string data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561
Conversion from character string to floating-point data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568
Conversion from hexadecimal BIN to ASCII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 572

9
CONTENTS
Conversion from ASCII to hexadecimal BIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574
Extracting character string data from the right, extracting character string data from the left . . . . . . . . . . . . . . 576
Random selection from character strings, random replacement in character strings . . . . . . . . . . . . . . . . . . . . 579
Character string search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 584
Insertion of character string. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586
Deletion of character string . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 588
Floating-point data to BCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590
From BCD format data to floating-point data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592
7.12 Special Function Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594
SIN operation on floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594
SIN operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 596
COS operation on floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598
COS operation on floating-point data (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
TAN operation on floating-point data (single precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 602
TAN operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604
Arc sine operation on floating-point data (single precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 606
Arc sine operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
Arc cosine operation on floating-point data (single precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610
Arc cosine operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 612
Arc tangent operation on floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614
Arc tangent operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 616
Conversion from floating-point angle to radian (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 618
Conversion from floating-point angle to radian (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 620
Conversion from floating-point radian to angle (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 622
Conversion from floating-point radian to angle (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624
Exponentiation operation on floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626
Exponentiation operation on floating-point data (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 628
Square root operation for floating-point data (single precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 630
Square root operation for floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 632
Exponent operation on floating-point data (single precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 634
Exponent operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 636
Natural logarithm operation on floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 638
Natural logarithm operation on floating-point data (double precision). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640
Common logarithm operation on floating-point data (single precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 642
Common logarithm operation on floating-point data (double precision) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 644
Random number generation, series updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 646
BCD 4-digit square roots, BCD 8-digit square roots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 647
BCD type SIN operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650
BCD type COS operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 652
BCD type TAN operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 654
BCD type arc sine operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 656
BCD type arc cosine operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 658
BCD type arc tangent operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 660
7.13 Data Control Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 662
Upper and lower limit controls for BIN 16-bit data, upper and lower limit controls for BIN 32-bit data . . . . . . . 662
BIN 16-bit dead band controls, BIN 32-bit dead band controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665
Zone control for BIN 16-bit data, zone control for BIN 32-bit data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 668
Scaling (coordinate data by point) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 670
Scaling (coordinate data by X and Y) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 674
7.14 File Register Switching Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 677
Switching file register block numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 677

10
File setting for file register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 679
File setting for comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 681
7.15 Clock Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683
Reading clock data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683
Writing clock data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685
Clock data addition operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 687
Clock data subtraction operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 689
Time data conversion (from hour/minute/second to second). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 691
Time data conversion (from second to hour/minute/second). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 693
Hour meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 695
Hour meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 696
Date comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697
Time comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 701
Clock data comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705
Time data band comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 707
7.16 Expansion Clock Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 709
Reading expansion clock data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 709
Expansion clock data addition operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 712
Expansion clock data subtraction operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715
7.17 Program Control Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 718
Program standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719
Program output OFF standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 720
Program scan execution registration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 722
Program low speed execution registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 724
Program execution status check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725
7.18 PID Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 727
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 727
PID control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 729
Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 733
Auto tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 743
Example of practical program (step response method). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 747
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 751
7.19 Other Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 752
Watchdog timer reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 752
Timing pulse generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 754
Time check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 756
Direct 1-byte read from file register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 757
File register direct 1-byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 759
Indirect address read operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 761
Numerical key input using keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 762
Batch save of index register, batch recovery of index register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 766
Reading module information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 769
Reading module model name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 773
Trace set, trace reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 777
Writing data to designated file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 779
Reading data from designated file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 789
Writing data to standard ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 801
Reading data from standard ROM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 803
Loading program from memory card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 805
Unloading program from program memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 808
Loading and unloading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 810

11
CONTENTS
High-speed block transfer of file register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812
User message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 817
CHAPTER 8 INSTRUCTIONS FOR DATA LINK 820
8.1 Network Refresh Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 820
Refresh for the designated module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 820
8.2 Reading/Writing Routing Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825
Reading routing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825
Registering routing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 827
8.3 Refresh Device Write/Read Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 829
Refresh device write (in 1-bit units) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 829
Refresh device write (in 16-bit units) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 833
Refresh device read (in 1-bit units) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 838
Refresh device read (in 16-bit units) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 842
CHAPTER 9 MULTIPLE CPU DEDICATED INSTRUCTIONS 846
9.1 Writing to the CPU Shared Memory of Host CPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 846
Writing to host CPU shared memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 848
Writing to host CPU shared memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 851
9.2 Reading from the CPU Shared Memory of Another CPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 855
Reading from other CPU shared memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 856
CHAPTER 10 MULTIPLE CPU HIGH-SPEED TRANSMISSION DEDICATED
INSTRUCTIONS 861
10.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 861
10.2 Writing Devices to Another CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 872
10.3 Reading Devices from Another CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 876
CHAPTER 11 REDUNDANT SYSTEM INSTRUCTIONS (FOR REDUNDANT CPU) 880
11.1 System Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880
APPENDICES 883
Appendix 1 Operation Processing Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 883
Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 883
Operation processing time of Basic model QCPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 884
Operation processing time of High Performance model QCPU/Process CPU/Redundant CPU. . . . . . . . . . . . 898
Operation processing time of Universal model QCPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 921
Operation processing time of LCPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1025
Appendix 2 CPU Performance Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1064
Comparison of Q, LCPU with AnNCPU, AnACPU, and AnUCPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1064
Appendix 3 Application Program Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1070
Concept of programs which perform operations of a nth power of X, a nth root X . . . . . . . . . . . . . . . . . . . . . 1070
INDEX 1071
INSTRUCTION INDEX 1073
REVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1078
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1079
TRADEMARKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1080

12
MANUALS
To understand the main specifications, functions, and usage of the CPU module, refer to the basic manuals.
Read other manuals as well when using a different type of CPU module and its functions.
Order each manual as needed, referring to the following lists.
The numbers in the "CPU module" and the respective modules are as follows.
●: Basic manual, : Other CPU module manuals
Number CPU module
1) Basic model QCPU
2) High Performance model QCPU
3) Process CPU
4) Redundant CPU
5) Universal model QCPU
6) LCPU
Manual name
<Manual number>
Description CPU module
1) 2) 3) 4) 5) 6)
User's manual
QCPU User's Manual (Hardware Design, Maintenance and
Inspection)
<SH-080483ENG>
Specifications of the hardware (CPU modules, power supply
modules, base units, extension cables, memory cards, SD
memory cards, extended SRAM cassettes, and batteries),
system maintenance and inspection, and troubleshooting
●●●●●
QnUCPU User's Manual (Function Explanation, Program
Fundamentals)
<SH-080807ENG>
Functions, methods, and devices for programming ●
Qn(H)/QnPH/QnPRHCPU User's Manual (Function
Explanation, Program Fundamentals)
<SH-080808ENG>
Functions, methods, and devices for programming ●●●●
QnUCPU User's Manual (Communication via Built-in Ethernet
Port)
<SH-080811ENG>
Functions for the communication via built-in Ethernet port of
the CPU module

MELSEC-L CPU Module User's Manual (Hardware Design,
Maintenance and Inspection)
<SH-080890ENG>
Specifications of the hardware (CPU modules, power supply
modules, a branch module, an extension module, and SD
memory cards), system maintenance and inspection,
troubleshooting, and error codes
●
MELSEC-L CPU Module User's Manual (Function
Explanation, Program Fundamentals)
<SH-080889ENG>
Functions, methods, and devices for programming ●
MELSEC-L CPU Module User's Manual (Built-In I/O Function)
<SH-080892ENG>
Built-in I/O Functionality of the CPU 
MELSEC-L CPU Module User's Manual (Built-In Ethernet
Function)
<SH-080891ENG>
Functions for the communication via built-in Ethernet port of
the CPU module

QnUDVCPU/LCPU User's Manual (Data Logging Function)
<SH-080893ENG>
Data Logging Functionality of the CPU Module 

13
Related Manuals
Programming manual
MELSEC-Q/L Programming Manual (Common Instructions)
<SH-080809ENG>
How to use sequence instructions, basic instructions, and
application instructions
●●●●●●
MELSEC-Q/L/QnA Programming Manual (SFC)
<SH-080041>
System configuration, performance specifications, functions,
programming, debugging, and error codes for SFC
(MELSAP3) programs

MELSEC-Q/L Programming Manual (MELSAP-L)
<SH-080076>
Programming methods, specifications, and functions for SFC
(MELSAP-L) programs

MELSEC-Q/L Programming Manual (Structured Text)
<SH-080366E>
Programming methods using structured languages 
MELSEC-Q/L/QnA Programming Manual (PID Control
Instructions)
<SH-080040>
Dedicated instructions for PID control  
MELSEC-Q Programming/Structured Programming Manual
(Process Control Instructions)
<SH-080316E>
Describes the dedicated instructions for performing process
control.

Manual name
<Manual number>
Description
MELSEC-Q CC-Link IE Controller Network Reference Manual
<SH-080668ENG>
Specifications, procedures and settings before system operation, parameter settings,
programming, and troubleshooting of the CC-Link IE Controller Network module
MELSEC-Q CC-Link IE Field Network Master/Local Module
User's Manual
<SH-080917ENG>
Specifications, procedures and settings before system operation, parameter settings,
programming, and troubleshooting of the CC-Link IE Field Network module
MELSEC-L CC-Link IE Field Network Master/Local Module
User's Manual
<SH-080972ENG>
Specifications, procedures and settings before system operation, parameter settings,
programming, and troubleshooting of the CC-Link IE Field Network module
Q Corresponding MELSECNET/H Network System Reference
Manual (PLC to PLC network)
<SH-080049>
Specifications, procedures and settings before system operation, parameter setting,
programming, and troubleshooting of a MELSECNET/H network system (PLC to PLC
network)
Q Corresponding MELSECNET/H Network System Reference
Manual (Remote I/O network)
<SH-080124>
Specifications, procedures and settings before system operation, parameter setting,
programming, and troubleshooting of a MELSECNET/H network system (remote I/O network)
Type MELSECNET, MELSECNET/B Data Link System
Reference Manual
<IB-66350>
Describes the general concept, specifications, and part names and settings for MELSECNET
() and MELSECNET/B.
MELSEC-Q/L Ethernet Interface Module User's Manual
(Application)
<SH-080010>
E-mail function, programmable controller CPU status monitoring function, communication via
CC-Link IE Field Network, CC-Link IE Controller Network, MELSECNET/H, or MELSECNET/
10, communication using the data link instructions, and file transfer function (FTP server) of
the Ethernet module
Manual name
<Manual number>
Description CPU module
1) 2) 3) 4) 5) 6)

14
TERMS
This manual uses the generic names and abbreviations shown below to refer to Q/L series CPU modules, unless otherwise
specified.
indicates a part of the model or version.
Term Description
A5B A generic term for the power source-free type A52B, A55B, and A58B extension base unit on which the A Series
I/O module and special function module can be mounted
A6B A generic term for the A62B, A65B, and A68B extension base unit on which the A Series I/O module and special
function module can be mounted
Basic model QCPU A generic term for Q00JCPU, Q00CPU and Q01CPU
Built-in Ethernet port LCPU A generic term for the L02CPU, L02CPU-P, L06CPU, L06CPU-P, L26CPU, L26CPU-P, L26CPU-BT, and
L26CPU-PBT
Built-in Ethernet port QCPU A generic term for Q03UDVCPU, Q03UDECPU, Q04UDVCPU, Q04UDEHCPU, Q06UDVCPU,
Q06UDEHCPU, Q10UDEHCPU, Q13UDVCPU, Q13UDEHCPU, Q20UDEHCPU, Q26UDVCPU,
Q26UDEHCPU, Q50UDEHCPU and Q100UDEHCPU
CC-Link IE A generic term for the CC-Link IE Controller Network and the CC-Link IE Field Network
CPU module A generic term for Basic model QCPU, High Performance model QCPU, Process CPU, Redundant CPU,
Universal model QCPU and LCPU
GX Developer The product name of Q/L series Corresponding SW D5C-GPPW-type GPP function software package
: Version of the software
Check the GX Developer versions that can be used for each CPU module in "System Configuration," User's
Manual (Hardware Design, Maintenance and Inspection).
GX Works2 The product name of Q/L series Corresponding SW D5C-GXW2-type GPP function software package
: Version of the software
Check the GX Works2 versions that can be used for each CPU module in "System Configuration," User's
Manual (Hardware Design, Maintenance and Inspection).
High Performance model QCPU A generic term for Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU and Q25HCPU
High-speed Universal model QCPU A generic term for Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU and Q26UDVCPU
Intelligent function module device A generic term for intelligent function module devices and special function module devices
L series The abbreviation for Mitsubishi MELSEC-L series programmable controller
LCPU A generic term for L02SCPU, L02SCPU-P, L02CPU, L02CPU-P, L06CPU, L06CPU-P, L26CPU, L26CPU-P,
L26CPU-BT and L26CPU-PBT
MELSECNET(, /B) The abbreviation for MELSECNET and MELSECNET/B data link system
MELSECNET/10 The abbreviation for MELSECNET/10 network system
MELSECNET/H The abbreviation for MELSECNET/H network system
Process CPU A generic term for Q02PHCPU, Q06PHCPU, Q12PHCPU and Q25PHCPU
Programming tool A generic term for GX Developer and GX Works2
Q series The abbreviation for Mitsubishi MELSEC-Q series programmable controller
Q3DB A generic term for the Q35DB, Q38DB and Q312DB type Multiple CPU high speed main base unit on which
CPU module (except the Q00JCPU), Q series power supply module, Q series I/O module, and intelligent
function module can be mounted
Q5B A generic term for Q52B and Q55B extension base unit on which the Q Series I/O and intelligent function
module can be mounted
Q6B A generic term for Q63B, Q65B, Q68B and Q612B extension base unit on which Q Series power supply
module, I/O module, intelligent function module can be mounted
Q6WRB Another term for Q65WRB extension base unit for redundant system on which redundant power supply module,
Q series I/O module, and intelligent function module can be mounted.
QA1S5B A generic term for QA1S51B extension base unit on which AnS Series I/O module, special function module can
be mounted
QA1S6B A generic term for QA1S65B and QA1S68B extension base units on which AnS Series power supply module, I/
O module, special function module can be mounted
QA6ADP The abbreviation for the QA6ADP QA conversion adapter module
QA6ADP+A5B/A6B The abbreviation for the A large type extension base unit equipped with the QA6ADP
QA6B A generic term for the QA65B and QA68B extension base units on which the A Series power supply module, A
Series I/O module, and special function module can be mounted
QnCPU A generic term for Q00JCPU, Q00CPU, Q01CPU and Q02CPU
QnHCPU A generic term for Q02HCPU, Q06HCPU, Q12HCPU and Q25HCPU

15
QnPHCPU A generic term for Q02PHCPU, Q06PHCPU, Q12PHCPU and Q25PHCPU
QnPRHCPU A generic term for Q12PRHCPU and Q25PRHCPU
QnU(D)(H)CPU A generic term for Q02UCPU, Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q10UDHCPU, Q13UDHCPU,
Q20UDHCPU and Q26UDHCPU
QnUCPU A generic term for Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU, Q03UDCPU, Q03UDVCPU, Q03UDECPU,
Q04UDHCPU, Q04UDVCPU, Q04UDEHCPU, Q06UDHCPU, Q06UDVCPU, Q06UDEHCPU, Q10UDHCPU,
Q10UDEHCPU, Q13UDHCPU, Q13UDVCPU, Q13UDEHCPU, Q20UDHCPU, Q20UDEHCPU, Q26UDHCPU,
Q26UDVCPU, Q26UDEHCPU, Q50UDEHCPU and Q100UDEHCPU
QnUD(H)CPU A generic term for Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q10UDHCPU, Q13UDHCPU, Q20UDHCPU and
Q26UDHCPU
QnUDE(H)CPU A generic term for Q03UDECPU, Q04UDEHCPU, Q06UDEHCPU, Q10UDEHCPU, Q13UDEHCPU,
Q20UDEHCPU, Q26UDEHCPU, Q50UDEHCPU and Q100UDEHCPU
QnUDVCPU A generic term for Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU and Q26UDVCPU
Redundant CPU A generic term for Q12PRHCPU and Q25PRHCPU
Universal model QCPU A generic term for Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU, Q03UDCPU, Q03UDVCPU, Q03UDECPU,
Q04UDHCPU, Q04UDVCPU, Q04UDEHCPU, Q06UDHCPU, Q06UDVCPU, Q06UDEHCPU, Q10UDHCPU,
Q10UDEHCPU, Q13UDHCPU, Q13UDVCPU, Q13UDEHCPU, Q20UDHCPU, Q20UDEHCPU, Q26UDHCPU,
Q26UDVCPU, Q26UDEHCPU, Q50UDEHCPU and Q100UDEHCPU
Term Description

16 1 GENERAL DESCRIPTION
1.1 Related Programming Manuals
1GENERAL DESCRIPTION
This manual describes the common instructions required for programming of the QCPU and LCPU.
"Common instructions" are all instructions except for dedicated instructions for intelligent function modules; PID control
instructions; process control instruction; SFC instructions; ST instructions; instructions for socket communication features;
trigger logging instructions for the LCPU; and dedicated instructions for LCPU positioning/counter functionality.
1.1 Related Programming Manuals
Before reading this manual, check the functions, programming methods, devices and others that are necessary to create
programs with the CPU in the manuals below:
QnUCPU User's Manual (Function Explanation, Program Fundamentals)
Qn(H)/QnPH/QnPRHCPU User's Manual (Function Explanation, Program Fundamentals)
MELSEC-L CPU Module User's Manual (Function Explanation, Program Fundamentals)
Basic model QCPU
This manual
Describes SFC.
Qn(H)/QnPH/
QnPRHCPU
User's Manual
(Function Explanation,
Program
Fundamentals)
MELSEC-Q/L
Programming
Manual (Common
Instructions)
Describes the instructions
other than those described
in the manuals on the right.
MELSEC-Q/L/
QnA Programming
Manual
(PID Control
Instructions)
Describes the instructions
to perform PID control.
MELSEC-Q/L/
QnA Programming
Manual (SFC)
MELSEC-Q/L
Programming
Manual
(MELSAP-L)
Describes MELSAP-L.
MELSEC-Q/L
Programming
Manual
(Structured Text)
Describes the ST
language.
Describes the functions
and devices of the CPU
module, and programming.

1 GENERAL DESCRIPTION
1.1 Related Programming Manuals 17
1
High Performance model QCPU
Process CPU
Describes SFC.
This manual
Qn(H)/QnPH/
QnPRHCPU
User's Manual
(Function Explanation,
Program
Fundamentals)
MELSEC-Q/L
Programming
Manual (Common
Instructions)
Describes the instructions
other than those described
in the manuals on the right.
MELSEC-Q/L/
QnA Programming
Manual
(PID Control
Instructions)
Describes the instructions
to perform PID control.
MELSEC-Q/L/
QnA Programming
Manual (SFC)
MELSEC-Q/L
Programming
Manual
(MELSAP-L)
Describes MELSAP-L.
MELSEC-Q/L
Programming
Manual
(Structured Text)
Describes the ST
language.
Describes the functions
and devices of the CPU
module, and programming.
Qn(H)/QnPH/
QnPRHCPU
User's Manual
Describes the functions and
devices of the CPU module,
and programming.
MELSEC-Q/L
Programming Manual
(Common Instruction)
MELSEC-Q/L/QnA
Programming Manual
(SFC)
MELSEC-Q/L
Programming Manual
(MELSAP-L)
MELSEC-Q/L
Programming Manual
(Structured Text)
(Function Explanation,
Program
Fundamentals)
Describes the instructions
other than those described
in the manuals on the right.
Describes the instructions
to perform process control.
Describes SFC. Describes MELSAP-L. Describes the ST
language.
MELSEC-Q
Programming/
Structured
Programming Manual
(Process Control
Instructions)
This manual

18 1 GENERAL DESCRIPTION
1.1 Related Programming Manuals
Redundant CPU
Qn(H)/QnPH/
QnPRHCPU
User's Manual
Describes the functions and
devices of the CPU module,
and programming.
MELSEC-Q/L
Programming Manual
(Common Instruction)
MELSEC-Q/L/QnA
Programming Manual
(SFC)
MELSEC-Q/L
Programming Manual
(MELSAP-L)
MELSEC-Q/L
Programming Manual
(Structured Text)
(Function Explanation,
Program
Fundamentals)
MELSEC-Q
Programming/
Structured
Programming Manual
(Process Control
Instructions)
This manual
Describes the instructions
to perform process control.
Describes the instructions
to perform PID control.
Describes the instructions
other than those described
in the manuals on the right.
Describes SFC. Describes MELSAP-L. Describes the ST
language.
MELSEC-Q/L/QnA
Programming Manual
(PID Control
Instructions)