Delta AH500 series Owner's manual

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I 
Asia
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
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Americas
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 
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Europe
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AHSOO
Programming Manual
www.delta.co.tw/ia
2018-06-05

AH500 Programming Manual
Revision History
Version
Revision
Date
1st
The first version is published.
2012/11/09
2nd
1. Chapter 1: updated the model description in section 1.1.2
2. Chapter 2: updated device list in section 2.1.1, latched areas in
the device range
in section 2.1.4, strings in section 2.2.3,
special auxiliary relays in section 2.2.7, refresh time of special
data registers in section 2.2.8, special data registers in section
2.2.14, refresh time of special data registers in section 2.2.15,
additional remarks on special auxiliary relays and special data
registers in section 2.2.16.
3. Chapter 3: added new instructions of API0117, API0118,
API0708 and API1812.
4. Chapter 4: updated restrictions on the use of the instructions in
section 4.2.
5. Chapter 6: added new instructions of API0114, API0204,
API0205, API0212, API0217, API0218, API0219, API0310,
API0702, API0703, API0705, API0707, API1000, API1002,
API1003, API1004, API1301, API1510, API1516, API1701,
API1702, API1703, API1704, API1800, API1803, API1806,
API1807, API1809, API1810, API1811, API2100, API2103,
API2108, API2110, API2200, API2201, API2202, API2203,
API2204, API2205, and API2300.
6. Chapter 7: updated contents of 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.1.8,
7.1.9, and 7.1.10.
2016/08/15
3rd
1. Chapter 1: updated contents in section 1.1.1 and added
information for new models including AH15SCM-5A,
AHRTU-ETHN-5A, AH15EN-5A, AHCPU501-RS2,
AHCPU521-RS2, AHCPU531-RS2, AHCPU501-EN. Revise
the wiring model name.
2. Chapter 2: updated ASCII table in section 2.2.3 and added
information for new models including AHCPU560-EN2,
AHCPU501-RS2, AHCPU521-RS2, AHCPU531-RS2, and
AHCPU501-EN. Added and update information concerning
SM/SR in section 2.2.8, 2.2.14, 2.2.15 and 2.2.16.
3. Chapter 3: Added new API2900 and API2901 in the instruction
table and updated INV symbol in section 3.3.
4. Chapter 6: Updated the following APIs 0702, 0904, 1111,
1503-1505, 1701, 1702, 1800, 1812, 2116, 2200, 2300-2302,
2900 and 2901.
5. Chapter 7: Updated contents in section 7.1.1 and added
information for new models AH15SCM-5A and AH15EN-5A.
2018/06/05

i
AH500 Programming Manual
Contents
Chapter 1 Introduction
1.1 Overview .................................................................................................. 1-2
1.1.1 Related Manuals ............................................................................... 1-2
1.1.2 Model Description.............................................................................. 1-2
1.2 Software ..................................................................................................1-10
1.2.1 Program Editor.................................................................................1-10
1.2.2 Program Organization Units and Tasks............................................1-11
Chapter 2 Devices
2.1 Introduction of Devices............................................................................. 2-2
2.1.1 Devise List......................................................................................... 2-2
2.1.1.1AH500 Basic CPU Modules (AHCPU500/510/520/530)................... 2-2
2.1.1.2 AH500 Advanced CPU Modules (AHCPU501/511/521/531)............ 2-3
2.1.2 Basic Structure of I/O Storages......................................................... 2-4
2.1.3 Relation between the PLC Action and the Device Type .................... 2-4
2.1.4 Latched Areas in the Device Range.................................................. 2-5
2.2 Functions of Devices................................................................................ 2-6
2.2.1 Values and Constants........................................................................ 2-6
2.2.2 Floating-point Numbers..................................................................... 2-7
2.2.2.1 Single-precision Floating-point Numbers ................................... 2-7
2.2.2.2 Double-precision Floating-point Numbers.................................. 2-8
2.2.2.3 Decimal Floating-point Numbers................................................ 2-9
2.2.3 Strings ............................................................................................... 2-9
2.2.4 Input Relays .....................................................................................2-10
2.2.5 Output Relays ..................................................................................2-11
2.2.6 Auxiliary Relays................................................................................2-11
2.2.7 Special Auxiliary Relays ...................................................................2-12
2.2.8 Refresh Time of Special Auxiliary Relays .........................................2-38
2.2.9 Stepping Relays ...............................................................................2-46
2.2.10 Timers...........................................................................................2-47
2.2.11 Counters.......................................................................................2-48
2.2.12 32-bit Counters.............................................................................2-50
2.2.13 Data Registers..............................................................................2-51
2.2.14 Special Data Registers .................................................................2-52

ii
2.2.15 Refresh Time of Special Data Registers.......................................2-80
2.2.16 Additional Remarks on SpecialAuxiliary Relays and Special Data
Registers......................................................................................2-82
2.2.17 Link Registers...............................................................................2-98
2.2.18 Index Registers ............................................................................2-98
Chapter 3 Instruction Tables
3.1 Instructions ............................................................................................3-2
3.1.1 Basic Instructions...............................................................................3-2
3.1.2 Applied Instructions............................................................................3-2
3.2 Instruction Tables...................................................................................3-3
3.2.1 Basic Instructions...............................................................................3-3
3.2.2 Applied Instructions............................................................................3-4
3.2.3 Applied Instructions (Sorted Alphabetically).......................................3-5
3.2.4 Device Tables.....................................................................................3-6
3.3 Lists of Basic Instructions ......................................................................3-7
3.4 Lists of Applied Instructions...................................................................3-9
3.4.1 Applied Instructions............................................................................3-9
3.4.2 Applied Instructions (Sorted Alphabetically).....................................3-35
Chapter 4 Analog Input/Output Module
4.1 Composition of Applied Instructions........................................................4-2
4.2 Restrictions on the Use of the Instructions..............................................4-5
4.3 Index Registers.......................................................................................4-6
4.4 Pointer Registers ....................................................................................4-7
4.5 Pointer Registers of Timers.....................................................................4-9
4.6 Pointer Registers of 16-bit Counters.....................................................4-10
4.7 Pointer Registers of 32-bit Counters.....................................................4-11
Chapter 5 Basic Instructions
5.1 List of Basic Instructions ...........................................................................5-2
5.2 Basic Instructions......................................................................................5-3
Chapter 6 Applied Instructions
6.1 Comparison Instructions............................................................................6-3
6.1.1 List of Comparison Instructions.........................................................6-3
6.1.2 Explanation of Comparison Instructions............................................6-6
6.2 Arithmetic Instructions.............................................................................6-36

iii
6.2.1 List of Arithmetic Instructions...........................................................6-36
6.2.2 Explanation of Arithmetic Instructions .............................................6-37
6.3 Data Conversion Instructions...................................................................6-73
6.3.1 List of Data Conversion Instructions................................................6-73
6.3.2 Explanation of Data Conversion Instructions...................................6-74
6.4 Data Transfer Instructions......................................................................6-111
6.4.1 List of Data Transfer Instructions...................................................6-111
6.4.2 Explanation of Data Transfer Instructions......................................6-112
6.5 Jump Instructions ..................................................................................6-134
6.5.1 List of Jump Instructions ...............................................................6-134
6.5.2 Explanation of Jump Instructions ..................................................6-135
6.6 Program Execution Instructions.............................................................6-143
6.6.1 List of Program Execution Instructions..........................................6-143
6.6.2 Explanation of Program Execution Instructions.............................6-144
6.7 I/O Refreshing Instructions....................................................................6-151
6.7.1 List of I/O Refreshing Instructions.................................................6-151
6.7.2 Explanation of I/O Refreshing Instructions....................................6-152
6.8 Convenience Instructions ......................................................................6-154
6.8.1 List of Convenience Instructions ...................................................6-154
6.8.2 Explanation of Convenience Instructions......................................6-155
6.9 Logic Instructions...................................................................................6-191
6.9.1 List of Logic Instructions................................................................6-191
6.9.2 Explanation of Logic Instructions...................................................6-192
6.10 Rotation Instructions..............................................................................6-215
6.10.1 List of Rotation Instructions...........................................................6-215
6.10.2 Explanation of Rotation Instructions..............................................6-216
6.11 Basic Instructions ..................................................................................6-226
6.11.1 List of Basic Instructions ...............................................................6-226
6.11.2 Explanation of Basic Instructions ..................................................6-227
6.12 Shift Instructions....................................................................................6-234
6.12.1 List of Shift Instructions.................................................................6-234
6.12.2 Explanation of Shift Instructions....................................................6-235
6.13 Data Processing Instructions.................................................................6-260
6.13.1 List of Data Processing Instructions..............................................6-260
6.13.2 Explanation of Data Processing Instructions.................................6-261
6.14 Structure Creation Instructions ..............................................................6-307
6.14.1 List of Structure Creation Instructions ...........................................6-307
6.14.2 Explanation of Structure Creation Instructions..............................6-308

iv
6.15 Module Instructions...............................................................................6-315
6.15.1 List of Module Instructions............................................................6-315
6.15.2 Explanation of Module Instructions...............................................6-316
6.16 Floating-point Number Instructions........................................................6-321
6.16.1 List of Floating-point Number Instructions.....................................6-321
6.16.2 Explanation of Floating-point Number Instructions .......................6-322
6.17 Real-time Clock Instructions..................................................................6-362
6.17.1 List of Real-time Clock Instructions...............................................6-362
6.17.2 Explanation of Real-time Clock Instructions..................................6-363
6.18 Peripheral Instructions...........................................................................6-376
6.18.1 List of Peripheral Instructions........................................................6-376
6.18.2 Explanation of Peripheral Instructions...........................................6-377
6.19 Communication Instructions..................................................................6-391
6.19.1 List of Communication Instructions...............................................6-391
6.19.2 Explanation of Communication Instructions..................................6-392
6.20 Other Instructions..................................................................................6-428
6.20.1 List of Other Instructions...............................................................6-428
6.20.2 Explanation of Other Instructions..................................................6-429
6.21 String Processing Instructions...............................................................6-438
6.21.1 List of String Processing Instructions............................................6-438
6.21.2 Explanation of String Processing Instructions...............................6-439
6.22 Ethernet Instructions .............................................................................6-500
6.22.1 List of Ethernet Instructions..........................................................6-500
6.22.2 Explanation of Ethernet Instructions.............................................6-501
6.23 Memory Card Instructions.....................................................................6-526
6.23.1 List of Memory Card Instructions..................................................6-526
6.23.2 Explanation of Memory Card Instructions.....................................6-527
6.24 Task Control Instructions.......................................................................6-538
6.24.1 List of Task Control Instructions....................................................6-538
6.24.2 Explanation of Task Control Instructions.......................................6-539
6.25 SFC Instructions....................................................................................6-541
6.25.1 List of SFC Instructions.................................................................6-541
6.25.2 Explanation of SFC Instructions....................................................6-542
6.26 Redundant Instructions .........................................................................6-548
6.26.1 List of Redundant Instructions ......................................................6-548
6.26.2 Explanation of Redundant Instructions.........................................6-549

v
Chapter 7 Error Codes
7.1 Error Codes and LED Indicators............................................................... 7-2
7.1.1 CPU Modules.................................................................................... 7-2
7.1.2 Analog I/O Modules and Temperature Measurement Modules........7-22
7.1.3 AH02HC-5A/AH04HC-5A.................................................................7-24
7.1.4 AH05PM-5A / AH10PM-5A / AH15PM-5A ........................................7-24
7.1.5 AH20MC-5A.....................................................................................7-25
7.1.6 AH10EN-5A / AH-15EN-5A ..............................................................7-26
7.1.7 AH10SCM-5A / AH15SCM-5A..........................................................7-27
7.1.8 AH10DNET-5A.................................................................................7-27
7.1.9 AH10PFBM-5A.................................................................................7-28
7.1.10 AH10PFBS-5A................................................................................7-28
7.1.11 AH10COPM-5A...............................................................................7-29

1-1
Chapter 1 Introduction
Table of Contents
1.1 Overview .................................................................................................. 1-2
1.1.1 Related Manuals ............................................................................... 1-2
1.1.2 Model Description.............................................................................. 1-2
1.2 Software ..................................................................................................1-10
1.2.1 Program Editor.................................................................................1-10
1.2.2 Program Organization Units and Tasks............................................1-12

AH500 Programming Manual
1-2
1.1 Overview
This manual introduces the programming of the AH500 series programmable logic controllers, the
basic instructions, and the applied instructions.
1.1.1 Related Manuals
The related manuals of the AH500 series programmable logic controllers are composed of the
following.
AH500 Quick Start
It guides users to use the system before they read the related manuals.
AH500 Programming Manual
It introduces the programming of the AH500 series programmable logic controllers, the basic
instructions, and the applied instructions.
ISPSoft User Manual
It introduces the use of ISPSoft, the programming languages (ladder diagrams, instruction lists,
sequential function charts, function block diagrams, and structured texts), the concept of POUs,
and the concept of tasks.
AH500 Hardware Manual
It introduces electrical specifications, appearances, dimensions, and etc.
AH500 Operation Manual
It introduces functions of CPUs, devices, module tables, troubleshooting, and etc.
AH500 Module Manual
It introduces the use of special I/O modules. For example, network modules, analog I/O
modules, temperature measurement modules, and etc.
AH500 Motion Control Module Manual
It introduces the specifications for the motion control modules, the wiring, the instructions, and
the functions.
PMSoft User Manual
It introduces the use of PMSoft, including the editing mode, the connection, and the password
setting.
AH500 Redundancy System Operation Manual
It introduces the AH500 redundancy structures, establishments, programming designs, and
operations.
1.1.2 Model Description
Classification
Model Name
Description
Power supply
module AHPS05-5A
100~240 V AC
50/60 Hz
AHPS15-5A
24 V DC
CPU module
AHCPU500-RS2
It is a basic CPU module with two built-in RS-485 ports,
one built-in USB port, and one built-in SD interface. It
supports 768 inputs/outputs. The program capacity is 32K
steps.
AHCPU500-EN
It is a basic CPU module with one built-in Ethernet port,
one built-in RS-485 port, one built-in USB port, and one
built-in SD interface. It supports 768 inputs/outputs. The
program capacity is 32K steps.
AHCPU501-RS2
It is an advanced CPU module with two built-in RS-485
ports, one built-in USB port, and one built-in SD interface.
It supports 768 inputs/outputs. The program capacity is
48K steps.

Chapter 1 Introduction
1-3
Classification
Model Name
Description
AHCPU501-EN
It is an advanced CPU module with one built-in Ethernet
port, one built-in RS-485 port, one built-in USB port, and
one built-in SD interface. It supports 768 inputs/outputs.
The program capacity is 48K steps.
AHCPU510-RS2
It is a basic CPU module with two built-in RS-485 ports,
one built-in USB port, and one built-in SD interface. It
supports 1280 inputs/outputs. The program capacity is
64K steps.
AHCPU510-EN
It is a basic CPU module with one built-in Ethernet port,
one built-in RS-485 port, one built-in USB port, and one
built-in SD interface. It supports 1280 inputs/outputs. The
program capacity is 64K steps.
AHCPU511-RS2
It is an advanced CPU module with two built-in RS-485
ports, one built-in USB port, and one built-in SD interface.
It supports 1280 inputs/outputs. The program capacity is
96K steps.
AHCPU511-EN
It is an advanced CPU module with one built-in Ethernet
port, one built-in RS-485 port, one built-in USB port, and
one built-in SD interface. It supports 1280 inputs/outputs.
The program capacity is 96K steps.
AHCPU520-RS2
It is a basic CPU module with two built-in RS-485 ports,
one built-in USB port, and one built-in SD interface. It
supports 2304 inputs/outputs. The program capacity is
128K steps.
AHCPU520-EN
It is a basic CPU module with one built-in Ethernet port,
one built-in RS-485 port, one built-in USB port, and one
built-in SD interface. It supports 2304 inputs/outputs. The
program capacity is 128K steps.
AHCPU521-RS2
It is an advanced CPU module with two built-in RS-485
ports, one built-in USB port, and one built-in SD interface.
It supports 2304 inputs/outputs. The program capacity is
192K steps.
AHCPU521-EN
It is an advanced CPU module with one built-in Ethernet
port, one built-in RS-485 port, one built-in USB port, and
one built-in SD interface. It supports 2304 inputs/outputs.
The program capacity is 192K steps.
AHCPU530-RS2
It is a basic CPU module with two built-in RS-485 ports,
one built-in USB port, and one built-in SD interface. It
supports 4352 inputs/outputs. The program capacity is
256K steps.
AHCPU530-EN
It is a basic CPU module with one built-in Ethernet port,
one built-in RS-485 port, one built-in USB port, and one
built-in SD interface. It supports 4352 inputs/outputs. The
program capacity is 256K steps.
AHCPU531-RS2
It is an advanced CPU module with two built-in RS-485
ports, one built-in USB port, and one built-in SD interface.
It supports 4352 inputs/outputs. The program capacity is
384K steps.
AHCPU531-EN
It is an advanced CPU module with one built-in Ethernet
port, one built-in RS-485 port, one built-in USB port, and
one built-in SD interface. It supports 4352 inputs/outputs.
The program capacity is 384K steps.
AHCPU560-EN2
It is a redundant CPU module with one built-in Ethernet