Mitsubishi Electric MELSEC Q Series User manual

CC-Link/LT Master Module
User's Manual
-QJ61CL12
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1
SAFETY PRECAUTIONS
(Read these precautions before using this product.)
Before using this product, please read this manual and the relevant manuals carefully and pay full attention
to safety to handle the product correctly.
The precautions given in this manual are concerned with this product only. For the safety precautions of the
programmable controller system, refer to the user's manual for the CPU module used.
In this manual, the safety precautions are classified into two levels: " WARNING" and " CAUTION".
Under some circumstances, failure to observe the precautions given under " CAUTION" may lead to
serious consequences.
Observe the precautions of both levels because they are important for personal and system safety.
Make sure that the end users read this manual and then keep the manual in a safe place for future
reference.
[Design Precautions]
WARNING
●For the operating status of each station after a communication failure in the data link, refer to Page 64,
Section 6.1 in this manual.
●When connecting peripheral devices to the CPU module, create interlock circuits in the sequence
programs so that the safety of the whole system will be ensured.
For other forms of control (such as program modification or operating status change) of a running
programmable controller, read the relevant manuals carefully and ensure that the operation is safe
before proceeding.
Especially, when a remote programmable controller is controlled by an external device, immediate
action cannot be taken if a problem occurs in the programmable controller due to a communication
failure.
To prevent this, configure an interlock circuit in the sequence program, and determine corrective
actions to be taken between the external device and programmable controller CPU in case of a
communication failure.
●Do not write data to "Prohibited area" of the buffer memory.
Doing so may cause malfunction of the programmable controller system.
WARNING
CAUTION
Indicates that incorrect handling may cause hazardous conditions,
resulting in death or severe injury.
Indicates that incorrect handling may cause hazardous conditions,
resulting in minor or moderate injury or property damage.
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[Design Precautions]
[Installation Precautions]
CAUTION
●Do not install the control lines or communication cables together with the main circuit lines or power
cables.
Keep a distance of 100mm or more between them.
Failure to do so may result in malfunction due to noise.
CAUTION
●Use the programmable controller in an environment that meets the general specifications in the user's
manual for the CPU module used.
Failure to do so may result in electric shock, fire, malfunction, or damage to or deterioration of the
product.
●To mount the module, while pressing the module mounting lever located in the lower part of the
module, fully insert the module fixing projection(s) into the hole(s) in the base unit and press the
module until it snaps into place.
Incorrect mounting may cause malfunction, failure or drop of the module.
When using the programmable controller in an environment of frequent vibrations, fix the module with
a screw.
Tighten the screw within the specified torque range.
Undertightening can cause drop of the screw, short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
●Shut off the external power supply (all phases) used in the system before mounting or removing a
module.
Failure to do so may result in damage to the product.
●Do not directly touch any conductive parts and electronic components of the module.
Doing so can cause malfunction or failure of the module.
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[Wiring Precautions]
[Wiring Precautions]
WARNING
●Shut off the external power supply (all phases) used in the system before wiring.
Failure to do so may result in electric shock or damage to the product.
CAUTION
●Prevent foreign matter such as dust or wire chips from entering the module.
Such foreign matter can cause a fire, failure, or malfunction.
●A protective film is attached to the top of the module to prevent foreign matter, such as wire chips,
from entering the module during wiring.
Do not remove the film during wiring.
Remove it for heat dissipation before system operation.
●Use cables specified by CC-Link Partner Association for a CC-Link/LT system.
If not, the performance of the CC-Link/LT system is not guaranteed.
Also, observe the network wiring specifications given in Page 28, Section 3.1.1.
If not, normal data transmission is not guaranteed.
●Place the cables in a duct or clamp them.
If not, dangling cable may swing or inadvertently be pulled, resulting in damage to the module or
cables or malfunction due to poor contact.
●When disconnecting a communication cable or power cable from the module, do not hold and pull the
cable portion by hand.
For the cable with connector, hold the connector part of the cable.
For the cable connected to the terminal block, loosen the terminal screw.
Pulling the cable connected to the module may result in malfunction or damage to the module or
cable.
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[Startup and Maintenance Precautions]
[Disposal Precautions]
CAUTION
●Do not disassemble or modify the modules.
Doing so may cause failure, malfunction, injury, or a fire.
●Use any radio communication device such as a cellular phone or PHS (Personal Handy-phone
System) more than 25cm away in all directions from the programmable controller.
Failure to do so may cause malfunction.
●Shut off the external power supply (all phases) used in the system before mounting or removing a
module.
Failure to do so may cause the module to fail or malfunction.
●Do not touch any terminal while power is on. Doing so may cause malfunction.
●Shut off the external power supply (all phases) used in the system before cleaning the module or
retightening the terminal screws or module mounting screws.
Failure to do so may cause the module to fail or malfunction.
Undertightening can cause drop of the screw, short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
●After the first use of the product, do not mount/remove the module to/from the base unit, and the
terminal block to/from the module more than 50 times (IEC 61131-2 compliant) respectively.
Exceeding the limit of 50 times may cause malfunction.
●Before handling the module, touch a grounded metal object to discharge the static electricity from the
human body.
Failure to do so may cause the module to fail or malfunction.
CAUTION
●When disposing of this product, treat it as industrial waste.
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5
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.
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6
REVISIONS
*The manual number is given on the bottom left of the back cover.
Japanese manual version SH-080344-K
© 2002 MITSUBISHI ELECTRIC CORPORATION
Print date *Manual number Revision
Sep., 2002 SH(NA)-080351E-A First edition
Feb., 2003 SH(NA)-080351E-B
Section 2.1, 2.2.2, 3.1.1, 4.5.2, 6.6
Mar., 2004 SH(NA)-080351E-C
Section 4.5.2, 4.5.3
Partial correction
Section 1.2, 3.1, 4.1, 4.2.3, 4.5, 4.5.4, 6.7
Jan., 2005 SH(NA)-080351E-D
SAFETY PRECAUTIONS, Generic Terms and Abbreviations,
Section 1.1, 2.1, 2.2.2, 2.2.3, 3.1, 3.1.1, 3.3.2, 4.1, 4.2.1, Chapter 5, Section 6.2, 6.3.1
to 6.3.4, 6.4, 6.4.1 to 6.4.5, 6.6, 6.7
Mar., 2006 SH(NA)-080351E-E
SAFETY PRECAUTIONS, Conformation to the EMC Directive and Low Voltage
Instruction, Section 2.2.1, 2.2.2, 3.1.1
Nov., 2006 SH(NA)-080351E-F
INDEX
Oct., 2008 SH(NA)-080351E-G
SAFETY PRECAUTIONS, Compliance with the EMC and Low Voltage Directives,
Generic Terms and Abbreviations, Section 2.2.1, 2.2.3, 4.1, 4.2.1, 4.3, 4.5, 6.7,
Appendix 1
Sep., 2010 SH(NA)-080351E-H
"PLC" was changed to "programmable controller".
CONDITIONS OF USE FOR THE PRODUCT,
SAFETY PRECAUTIONS, Compliance with the EMC and Low Voltage Directive,
Generic Terms and Abbreviations,
Section 2.2.1, 2.2.2, 2.2.3, 4.4, 4.5.1, 4.5.5, 6.6, WARRANTY
Oct., 2011 SH(NA)-080351E-I The manual layout was wholly changed.
This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses. Mitsubishi Electric
Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the
contents noted in this manual.
Correction
Addition
Partial correction
Partial correction
Partial correction
Partial correction
Change
Addition
Partial correction
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7
INTRODUCTION
Thank you for purchasing the Mitsubishi MELSEC-Q series programmable controllers.
This manual describes the functions and programming of the QJ61CL12 CC-Link/LT master module (hereafter
abbreviated as QJ61CL12).
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 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.
Please make sure that the end users read this manual.
COMPLIANCE WITH EMC AND LOW VOLTAGE
DIRECTIVES
(1) Method of ensuring compliance
To ensure that Mitsubishi programmable controllers maintain EMC and Low Voltage Directives when incorporated
into other machinery or equipment, certain measures may be necessary. Please refer to the manual included with
the CPU module or base unit.
The CE mark on the side of the programmable controller indicates compliance with EMC and Low Voltage
Directives.
(2) Additional measures
To ensure that this product maintains EMC and Low Voltage Directives, please refer to the manual included with
the CPU module or base unit.
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8
RELEVANT MANUALS
(1) CPU module user's manual
(2) Operating manual
Manual name
<manual number (model code)> Description
QCPU User's Manual
(Hardware Design, Maintenance and Inspection)
<SH-080483ENG, 13JR73>
Specifications of the hardware (CPU modules, power supply modules,
base units, batteries, and memory cards), system maintenance and inspection,
and troubleshooting
QnUCPU Users Manual
(Function Explanation, Program Fundamentals)
<SH-080807ENG, 13JZ27>
Functions and devices of the CPU module, and programming
Qn(H)/QnPH/QnPRHCPU User's Manual
(Function Explanation, Program Fundamentals)
<SH-080808ENG, 13JZ28>
Functions and devices of the CPU module, and programming
Manual name
<manual number (model code)> Description
GX Developer Version 8 Operating Manual
<SH-080373E, 13JU41>
Operating methods of GX Developer, such as programming, printing,
monitoring, and debugging
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9
Memo
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CONTENTS
10
CONTENTS
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CONDITIONS OF USE FOR THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
REVISIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
RELEVANT MANUALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MANUAL PAGE ORGANIZATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
TERMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
PACKING LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
CHAPTER 1 CHARACTERISTICS OF CC-Link/LT SYSTEM 14
1.1 CC-Link/LT System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
CHAPTER 2 SYSTEM CONFIGURATION 16
2.1 Overall Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2 Applicable System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2.1 Applicable Modules and the Number of Available Modules . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2.2 Precautions for system configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.3 Check Methods of Serial Number and Function Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
CHAPTER 3 SPECIFICATIONS 26
3.1 Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.1.1 Network wiring specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.2 I/O Signals to/from CPU Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
3.2.1 I/O signals in 4-point mode setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.2.2 I/O signals in 8-point mode setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.2.3 I/O signals in 16-point mode setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.3 Buffer Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.3.1 List of buffer memory areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.3.2 Details of buffer memory areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.4 Point Mode Setting and the Number of Occupied I/O Points Setting . . . . . . . . . . . . . . . . . . . . 35
3.5 Last Station Number Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.6 Station Status if an Error Occurs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.7 Data Link Processing Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.7.1 Link scan time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.7.2 Transmission delay time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3.7.3 Automatic return time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
CHAPTER 4 PROCEDURE BEFORE OPERATION 42
4.1 Procedure Before Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.2 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.3 Part Names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.4 Switch Setting of Intelligent Function Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
4.5 Connecting Modules Using Connection Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
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4.5.1 Connecting a dedicated flat cable connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4.5.2 Connecting a VCTF cable connector/flexible cable connector. . . . . . . . . . . . . . . . . . . . . . . . 53
4.5.3 Using cables of different types together. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4.5.4 Connecting terminating resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4.5.5 Checking wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4.6 Installing/Removing a Remote Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
CHAPTER 5 PROGRAMMING 62
5.1 System Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
5.2 Devices Available for Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5.3 Program Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
CHAPTER 6 TROUBLESHOOTING 64
6.1 Station Status if an Error Occurs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
6.2 Visual Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.3 Troubleshooting of the Master Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
6.3.1 The RUN LED does not turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.3.2 The L RUN LED does not turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.3.3 The ERR. LED is on or flashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.3.4 The L ERR. LED is on or flashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.4 Troubleshooting of Remote I/O Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
6.4.1 The PW LED does not turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
6.4.2 The L RUN LED does not turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
6.4.3 The L ERR. LED is on or flashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
6.4.4 Input data cannot be read from a remote I/O station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.4.5 Data cannot be output from a remote I/O station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.5 Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
6.6 CC-Link/LT Diagnostics Using GX Developer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
6.7 Self-loopback Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
APPENDICES 79
Appendix 1 External Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Appendix 2 I/O Assignment Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Appendix 2.1 In 4-point mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Appendix 2.2 In 8-point mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Appendix 2.3 In 16-point mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
INDEX 83
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
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12
MANUAL PAGE ORGANIZATION
In this manual, pages are organized and the symbols are used as shown below.
The following illustration is for explanation purpose only, and should not be referred to as an actual documentation.
*1 The mouse operation example is provided below.
The section of
the current page is shown.
The chapter of
the current page is shown.
"" is used for
screen names and items.
[ ] is used for items
in the menu bar and
the project window.
shows operating
procedures.
shows reference
manuals.
shows notes that
requires attention.
shows mouse
operations.*1
shows
reference pages.
shows setting or
operating examples.
Ex.
shows useful
information.
Select [Online] on the menu bar,
and then select [Write to PLC...].
Project data list [Parameter]
[PLC parameter]
In the project data list,
expand [Parameter] and select
[PLC parameter].
Menu bar
[Online] [Write to PLC...]
Ex.
Ex.
Project data list
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13
TERMS
Unless otherwise specified, this manual uses the following terms.
PACKING LIST
The following items are included in the package of this product. Before use, check that all the items are included.
Term Description
QJ61CL12 The abbreviation for the QJ61CL12 CC-Link/LT master module
Master station A station that controls a data link system
One master station is required for one system.
Remote I/O station A remote station, such as CL2X8-D1B2 and CL2Y8-TP1B2, that exchanges I/O signals (bit data)
with an external device
Remote device station A remote station that exchanges I/O signals (bit data) and I/O data (word data) with an external
device, and converts analog data into digital data
Remote station A generic term for a remote I/O station and a remote device station
This station is controlled by the master station.
Master module A module that controls a data link system
One master module is required for one system.
Remote I/O module A remote module that exchanges I/O signals (bit data) with an external device
Remote device module A remote module that exchanges I/O signals (bit data) and I/O data (word data) with an external
device, and converts analog data into digital data
Remote module A generic term for a remote I/O module and a remote device module
CPU module Another term for the MELSEC-Q series CPU module
GX Developer The product name of the software package for the MELSEC programmable controllers
GX Works2
Intelligent function module A MELSEC-Q series module that has functions other than input and output, such as an A/D
converter module and D/A converter module
Dedicated power supply Devices that supply power to a CC-Link/LT system
One or more devices are required for a system.
Power supply adapter
QJ61CL12
QJ61CL12 Before Using the Product
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14
CHAPTER 1 CHARACTERISTICS OF CC-Link/LT
SYSTEM
This chapter describes the features and application of a CC-Link/LT system.
1.1 CC-Link/LT System
A CC-Link/LT system is a wire-saving network system used inside a control panel and equipment, making complex
wiring unnecessary and preventing incorrect wiring.
This system simplifies wiring among sensor, actuator, and controller, providing advanced functionalities such as high-
speed response time.
CC-Link/LT master module
QJ61CL12
Power supply adapter
Remote modules
24VDC
Terminating resistor
Terminating resistor
General power supply
Partner
product
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15
CHAPTER 1 CHARACTERISTICS OF CC-Link/LT SYSTEM
1
1.2 Features
1.2 Features
This section describes features of CC-Link/LT.
(1) Easy connection/disconnection of communication cable
By using dedicated connectors, communication cables can be connected/disconnected with one simple motion.
This allows modules to be easily extended, added, and changed.
Using dedicated flat cables, VCTF cables, and flexible cables leads to reduction in wiring work and cable cost.
(2) No parameter settings
Network parameters for operating a CC-Link/LT system need not to be set.
(3) Simplified programming
CC-Link/LT link devices are assigned for X/Y devices of the CPU module. This allows creating programs using
only X/Y devices without considering the network.
(4) Transmission speed auto-tracking function
Transmission speed setting is required for the master module only and is not required for remote stations.
(5) Slave station cutoff function
Even if a module goes down due to an error, communications among the other modules will continue.
Note if the cable on the trunk line is disconnected, data link among all stations will fail.
(6) Automatic return function
When a disconnected module recovers from an error, it automatically returns to the network and restarts data link.
CPU module
Refresh of X
Refresh of Y
Master station
Link scan
Link scan
Remote station
Input
Output
X
Y
X
Y
X
Y
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16
CHAPTER 2 SYSTEM CONFIGURATION
This chapter describes a CC-Link/LT system configuration.
2.1 Overall Configuration
To one master station, up to 64 remote stations can be connected when the following conditions are met.
*1 The branch line length includes the length of *2.
*2 The maximum length of the branch line and overall branch line length include the length of this item.
*3 For the terminating resistor connection method, Page 59, Section 4.5.4.
●Remote stations need not to be connected in station number order.
●Remote station numbers are not necessarily consecutive. (Leaving any station number out does not cause a data link
error.)
Item Specifications Remarks
Transmission speed 2.5Mbps 625kbps 156kbps ⎯
Station-to-station distance No limit ⎯
Maximum number of modules on a
branch line 8⎯
Trunk line length 35m 100m 500m
The cable length between terminating
resistors at both ends (The branch
line length is not included.)
T-branch interval No limit ⎯
Maximum length of a branch line 4m 16m 60m The cable length per branch line
Overall branch line length 15m 50m 200m Total length of all branch lines
Remote
station
T-branch
connection
Terminating
resistor
Power
supply
adapter
Remote
station
Remote
station
Remote
station
Remote
station
Remote
station
Remote
station
Remote
station
Remote
station
Master station
Trunk line
Branch line
Terminating
resistor
Trunk line length (The branch line length is not included.)
Branch line length
T-branch interval length
Branch
line
length
*1
*2
Remote
station
*3 *3
Station-to-station
distance
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17
CHAPTER 2 SYSTEM CONFIGURATION
2
2.2 Applicable System 2.2.1 Applicable Modules and the Number of Available Modules
2.2 Applicable System
This section provides information on the available CPU module and notes on system configuration.
2.2.1 Applicable Modules and the Number of Available Modules
(1) Applicable modules and base units, and No. of modules
(a) When mounted with a CPU module
The table below shows the CPU modules and base units applicable to the QJ61CL12 and quantities for each
CPU model.
Depending on the combination with other modules or the number of mounted modules, power supply capacity
may be insufficient.
Pay attention to the power supply capacity before mounting modules, and if the power supply capacity is
insufficient, change the combination of the modules.
: Applicable, ×: N/A
Applicable CPU module No. of
modules (*1)
Base unit (*2)
CPU type CPU model Main base unit Extension base unit
Basic model QCPU
Q00JCPU Up to 16
Q00CPU Up to 24
Q01CPU
High Performance model QCPU
Q02CPU
Up to 64
Q02HCPU
Q06HCPU
Q12HCPU
Q25HCPU
Process CPU
Q02PHCPU
Up to 64
Q06PHCPU
Q12PHCPU
Q25PHCPU
Redundant CPU Q12PRHCPU Up to 53 ×
Q25PRHCPU
Universal model QCPU
Q00UJCPU UP to 16
Q00UCPU Up to 24
Q01UCPU
Q02UCPU Up to 36
Q03UDCPU
Up to 64
Q04UDHCPU
Q06UDHCPU
Q10UDHCPU
Q13UDHCPU
Q20UDHCPU
Q26UDHCPU
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: Applicable, ×: N/A
*1 The number varies depending on the I/O points of the CPU module and the number of occupied I/O points set in
QJ61CL12.
*2 Can be installed to any I/O slot of a base unit.
*3 Connection of extension base units is not available with any safety CPU.
Remark
When using a C Controller module, refer to the following.
C Controller Module User's Manual (Hardware Design, Function Explanation)
(b) Mounting to a MELSECNET/H remote I/O station
The table below shows the network modules and base units applicable to the QJ61CL12 and quantities for
each network module model.
Depending on the combination with other modules or the number of mounted modules, power supply capacity
may be insufficient.
Pay attention to the power supply capacity before mounting modules, and if the power supply capacity is
insufficient, change the combination of the modules.
: Applicable, ×: N/A
*1 Limited within the range of I/O points for the network module.
*2 Can be installed to any I/O slot of a base unit.
Remark
The Basic model QCPU or C Controller module cannot create the MELSECNET/ H remote I/O network.
Applicable CPU module No. of
modules (*1)
Base unit (*2)
CPU type CPU model Main base unit Extension base unit
Universal model QCPU
Q03UDECPU
Up to 64
Q04UDEHCPU
Q06UDEHCPU
Q10UDEHCPU
Q13UDEHCPU
Q20UDEHCPU
Q26UDEHCPU
Q50UDEHCPU
Q100UDEHCPU
Safety CPU QS001CPU N/A × × (*3)
C Controller module
Q06CCPU-V
Up to 64Q06CCPU-V-B
Q12DCCPU-V
Applicable CPU module No. of modules (*1)
No. of modules (*2)
Main base unit of
remote I/O station
Extension base unit of
remote I/O station
QJ72LP25-25
Up to 64
QJ72LP25G
QJ72LP25GE
QJ72BR15
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