Mitsubishi Electric Q Series User manual

Programmable Controller

Reference Manual

QJ71LP21, QJ71LP21-25,

QJ71LP21S-25, QJ71LP21G,

QJ71LP21GE, QJ71BR11

INDUSTRIAL AUTOMATION

MITSUBISHI ELECTRIC

SH(NA)-080049

01072008

Version K

A - 1 A - 1

•SAFETY PRECAUTIONS •

(Always read before starting use.)

Before using this product, please read this manual and the relevant manuals introduced in this manual

carefully and pay full attention to safety to handle the product correctly.

The instructions given in this manual are concerned with this product. For the safety instructions of the

programmable controller system, please read the CPU module user's manual.

In this manual, the safety instructions are ranked as "DANGER" and "CAUTION".

!DANGER

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 medium or slight personal injury or physical damage.

Note that the !CAUTION level may lead to a serious consequence according to the circumstances.

Always follow the instructions of both levels because they are important to personal safety.

Please store this manual in a safe place and make it accessible when required. Always forward it to the

end user.

[Design Precautions]

!DANGER

•Make sure to see this manual for information about each station's operating status when a

communication error occurs in the network. Erroneous outputs and malfunctions may result in

serious accidents.

•If a coaxial cable is disconnected, this may destabilize the line, and a data link communication

error may occur in multiple stations. Make sure to create an interlock circuit in the sequence

program so that the system will operate safely even if the above error occurs. Failure to do so

may result in a serous accident due to faulty output or malfunctions.

•When performing control operations to a programmable controller (modifying data) in operation

by connecting GX Developer to the CPU module or connecting personal computers to the

intelligent functional modules, configure an interlocking circuit in a sequence program so that the

safety of the overall system is maintained. Also, before performing other control operations

(program modifications and operating status modifications (status control)) on the

programmable controller in operation, be sure to read the manual thoroughly and confirm the

safety. Especially if the above mentioned control operations are performed from an external

device to a remote programmable controller, problems arising on the programmable controller

side may not be dealt with immediately due to abnormal data communication. Thus, in addition

to configuring an interlocking circuit in a sequence program, determine how the system should

handle data communication errors between the programmable controller CPU and external

devices.

!CAUTION

•Do not bundle the control wires and communication cables with the main circuit or power wires,

or install them close to each other. They should be installed at least 100 mm (3.94 in.) away

from each other. Failure to do so may generate noise that may cause malfunctions.

A - 2 A - 2

[Installation Precautions]

!CAUTION

•Use the programmable controller in the operating environment that meets the general

specifications given in the user's manual of the CPU module.

Using the programmable controller in any other operating environment may cause an electric

shock, fire or malfunction, or may damage or degrade the product.

•While pressing the installation lever located at the bottom of module, insert the module fixing tab

into the fixing hole in the base unit until it stops.

Then, securely mount the module with the fixing hole as a supporting point.

If the module is not installed properly, it may cause the module to malfunction, fail or fall off.

In an environment of frequent vibrations, secure the module with the screw.

Be sure to tighten the screws using the specified torque. If the screws are loose, it may cause

the module to malfunction or fall off. If the screws are tightened excessively, it may damage the

screws and/or the module, and cause the module to malfunction or fall off.

•Completely turn off the externally supplied power used in the system before mounting or

removing the module. Failure to do so may damage the product.

•Do not directly touch the conducting parts and electronic parts of the module. This may cause

the module to malfunction or fail.

[Wiring Precautions]

!DANGER

•Completely turn off the externally supplied power used in the system when installing or placing

wiring. Failure to do so may cause electric shocks or damage the product.

!CAUTION

•Always connect the FG terminals to the ground using class D (class 3) or higher grounding

exclusively designed for programmable controller.

Failure to do so may cause malfunctions.

•When connecting cables to the terminal block for external power supply, check the rated voltage

and terminal layout of the product for correct wiring.

Connecting a cable to power supply of different voltage or incorrect wiring may cause a fire or

fault.

•Tighten the terminal screws with the specified torque.

Loose tightening may lead to a short circuit, fire or malfunction.

•Solder coaxial cable connectors properly. Incomplete soldering may result in malfunctioning.

•Be careful not to let foreign objects such as dust and wire chips get inside the module. They may

cause a fire, mechanical breakdown or malfunction.

•The top surface of the module is covered with a protective film to prevent foreign objects such as

wire chips from entering the module during wiring work. Do not remove this film until all the

wiring work is complete. Before operating the system, be sure to remove the film to release the

heat.

A - 3 A - 3

[Wiring Precautions]

!CAUTION

•Make sure to place the communication and power cables into a duct or fasten them using a

clamp. Failure to do so may damage the module or cables by pulling a dangling cable

inadvertently or cause the module to malfunction due to bad connection.

•When disconnecting the communication and power cables from the module, do not pull a cable

part by hand. When disconnecting a cable with a connector, hold the connector connected to

the module by hand and pull it out to remove the cable. When disconnecting a cable connected

to a terminal block, loosen the screws on the terminal block first before removing the cable. If a

cable is pulled while being connected to the module, it may cause the module to malfunction or

damage the module and cables.

[Setup and Maintenance Precautions]

!CAUTION

•Please read this manual thoroughly and confirm the safety before starting online operations

(especially, program modifications, forced outputs, and operating status modifications), which

are performed by connecting the GX Developer via the MELSECNET/H network system to a

running CPU module of other station. Performing incorrect online operations may damage the

machinery or result in accidents.

•Never disassemble or modify the module. This may cause breakdowns, malfunctions, injuries or

fire.

•Use any radio communication device such as a cellular phone or a PHS phone more than 25cm

(9.85 inch) away in all directions of the programmable controller.

Not doing so can cause a malfunction.

•Completely turn off the externally supplied power used in the system before mounting or

removing the module. Failure to do so may damage the module or result in malfunctions.

•Do not touch the terminals while the power is on. Doing so may cause malfunctions.

•Switch off all phases of the externally supplied power used in the system when cleaning the

module or retightening the terminal or module mounting screws. Failure to completely shut off all

phases of the external power supply may cause module breakdowns and malfunctions. If the

screws are loose, it may cause the module to short-circuit, malfunction or fall off. If the screws

are tightened excessively, it may damage the screws and cause the module to short circuit,

malfunction or fall off.

•Do not install/remove the module to/from the base unit more than 50 times after the first use of

the product. (IEC 61131-2 compliant)

Failure to do so may cause malfunction.

•Before handling the module, always touch grounded metal, etc. to discharge static electricity

from the human body.

Not doing so may cause a failure or malfunction of the module.

[Disposal Precautions]

!CAUTION

•When disposing of this product, treat it as industrial waste.

A - 4 A - 4

REVISIONS

The manual number is given on the bottom left of the back cover.

Print Date Manual Number Revision

Dec., 1999 SH(NA)-080049-A First printing

Oct., 2000 SH(NA)-080049-B Correction

Safety Precautions, Contents, About Manuals, About the Generic

Terms and Abbreviations, Chapter 1, Section 1.1, 1.2, Chapter 2,

Section 2.1.3, 2.1.4, 2.2.2, 3.1.1, 3.1.2, 3.2, 3.2.1, 3.2.2, 3.3, 3.3.1,

3.3.2, 3.3.3, 4.1, 4.2, 4.3.1, 4.3.2, 4.5, 4.5.1, 4.5.2, 4.5.3, 4.6.1, 4.6.2,

4.7, 4.7.1, 4.7.2, 4.8, 4.8.1, 4.8.2, 4.8.3, 4.8.4, Chapter 5, Section 5.1,

5.2, 5.2.3, 5.2.4, 5.2.5, 5.2.6, 5.5, 5.7, 5.7.1, 5.10, 6.1.2, 6.2, 6.2.1,

6.2.2, 6.2.3, 6.3, Chapter 7, Section 7.2, 7.3.1, 7.4, 7.4.1, 7.4.3, 7.4.5,

7.5, 7.5.3, 7.5.4, 7.5.5, 7.6, 7.7, 7.8, Chapter 8, Section 8.1, 8.1.1, 8.2,

8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.2.5, 8.3, 8.4, Appendix 2.2, 3, 4

Addition

Product Configuration, Section 2.4, 2.5, 2.6, Appendix 1.2, Index

Delection

Section 2.4

May, 2001 SH(NA)-080049-C Module addition

QJ71LP21G, QJ71LP21GE

Correction

Safety Precautions, Contents, About the Generic Terms and

Abbreviations, Section 1.1, 1.2, 2.4, 2.13, 2.1.4, 2.2, 2.2.1, 2.3, 3.1.1,

3.1.3, 3.2, 3.2.2, 3.3.2, 3.3.3, 3.3.4, 4.3.2, 4.4.2, 4.5.1, 4.5.2, 4.5.3,

4.6.2, 4.7.1, 4.7.2, Chapter 5, Section 5.1, 5.2.5, 5.2.6, 5.4, 5.6, 5.7.1,

5.7.2, 5.8, 5.9, 6.1.2, 6.2.1, 6.3, Chapter 7, Section 7.2, 7.3, 7.3.1,

7.4.1, 7.4.2, 7.4.5, 7.5, 7.9, 8.1.1, 8.1.4, 8.3, Appendix 2.1

Addition

Section 2.5

Section number changed

Section 2.5 2.6, 2.6 2.7

June, 2002 SH(NA)-080049-D Module addition

QJ71LP21S-25

Correction

Safety Precautions, Contents, About Manuals, Product Configuration,

Section 1.1, 1.2, 2.2, 3.1.1, 3.2.2, 3.3.2, 4.2, 5.2.1, 5.6, 6.2.1, 6.2.2,

Chapter 7, Section 7.3, 7.3.2, 7.4.5, 8.3, Appendix 3, 4, Index

Apr., 2003 SH(NA)-080049-E Correction

Safety Precautions, Contents, About Manuals, Section 1.2, 2.1.3, 2.2.2,

2.5, 3.1.1, 3.2.1, 3.2.2, 3.3.1, 3.3.3, Chapter 5, Section 5.2.1, 5.7, 5.7.1,

5.7.2, 5.8, 5.9, 6.1.2, 6.2, 6.4, 7.1, 7.4.2, 7.4.3, 7.4.4, 7.4.5, 7.5, 7.5.4,

7.8, 7.9, 8.1, 8.2, 8.2.1, 8.2.5, 8.3

A - 5 A - 5

The manual number is given on the bottom left of the back cover.

Print Date Manual Number Revision

Jun., 2004 SH(NA)-080049-F · The contents of function version D were added.

· The entire manual was reviewed.

Oct., 2004 SH(NA)-080049-G Mode addition

MELSECNET/H Extended Mode

Correction

Safety Precautions, Product Configuration, Section 1.1, 1.2, 2.1.2, 2.2,

2.2.2, 2.2.3, 3.1.1, 3.2.1, 3.3.2, 4.2, 4.3.3, 4.6.1, 4.6.2, 4.8.1, Chapter 5,

Section 5.1, 5.4, 6.2.2, 6.2.3, 7.4.5, 7.6, 7.10.2, 8.1, 8.1.1, 8.1.2, 8.1.3,

8.2, 8.2.1, 8.2.7, 8.3, Appendix 1.1, 1.2, 3, 4, 5, INDEX

Addition

Section 8.2.5, 8.2.9, 8.2.10

Section number changed

Section 8.2.5 8.2.6, 8.2.6 8.2.7, 8.2.7 8.2.8

Oct., 2005 SH(NA)-080049-H Correction

Safety Precautions, Conformation to the EMC Directive and Low

Voltage Instruction, Section 1.1, 1.2, 2.1.2, 2.2, 2.2.1, 2.2.3, 3.1.3,

3.3.2, 4.2, 4.6.1, 4.7.1, 4.7.2, 4.8.1, Chapter 5, Section 5.1, 5.4,

Chapter 6, 7, Section 7.3.1, 7.7, 7.10.2, 8.1.2, 8.1.3, 8.2, 8.2.5, 8.3,

Appendix 1.1, 1.2, 3, 4, 5

Apr., 2006 SH(NA)-080049-I Correction

Section 2.3, 3.1.2, 4.2, 6.3, 7.4.5, Appendix 4

Oct., 2007 SH(NA)-080049-J Change of a term

"PLC" was changed to "programmable controller".

Correction

About the Generic Terms and Abbreviations, 1.2, 2.1.3, 2.1.4, 2.2, 2.3,

3.2.1, 3.3.2, 3.3.3, 4.2, 4.5.1, 4.5.2, 4.5.3, 4.6.1, 4.7.1, 4.7.2, Chapter 5,

5.1, 5.6, 5.7, 5.7.1, 5.7.2, 6.1.1, 6.2.2, 6.3, 6.4, 7.2, 7.4.5, 7.5.5, 7.10.2,

8.1, 8.2.1, 8.2.4, 8.3, Appendix 3, 4, 5

Addition

DEFINITIONS OF TERMINOLOGY

Jul., 2008 SH(NA)-080049-K Correction

SAFETY PRECAUTIONS, Compliance with the EMC and Low Voltage

Directives, About the Generic Terms and Abbreviations, DEFINITIONS

OF TERMINOLOGY, Chapter 1, Section 2.1, 2.2, 3.1.1, 3.1.3, 3.2,

3.3.2 to 3.3.4, 4.2, 4.3.4, 4.6.2, 4.7.1, 4.7.2, Chapter 5, Section 5.1, 5.4,

5.6 to 5.9, 6.1.1, 6.3, Chapter 7, Section 7.2, 7.3, 7.4.1, 7.4.2, 7.4.5,

7.5, 7.5.5, 7.7 to 7.9, 7.10.2, 7.10.5, 7.10.7, 8.1, 8.3, Appendix 1.1, 2.1,

3, 4

Japanese Manual Version SH-080026-O

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.

A - 6 A - 6

INTRODUCTION

Thank you for purchasing the MELSEC-Q series programmable controller.

Before using the equipment, please read this manual carefully to develop full familiarity with the functions

and performance of the Q series programmable controller you have purchased, so as to ensure correct use.

Please forward a copy of this manual to the end user.

CONTENTS

SAFETY PRECAUTIONS..............................................................................................................................A- 1

REVISIONS....................................................................................................................................................A- 4

CONTENTS....................................................................................................................................................A- 6

About Manuals ...............................................................................................................................................A-11

Compliance with the EMC and Low Voltage Directives ...............................................................................A-11

About the Generic Terms and Abbreviations ................................................................................................A-12

DEFINITIONS OF TERMINOLOGY..............................................................................................................A-13

Product Configuration ....................................................................................................................................A-14

1 OVERVIEW 1- 1 to 1-14

1.1 Overview .................................................................................................................................................. 1- 1

1.2 Features ................................................................................................................................................... 1- 4

1.3 Abbreviations Used in the Text, Tables and Diagrams of This Manual................................................. 1-14

2 SYSTEM CONFIGURATION 2- 1 to 2-20

2.1 MELSECNET/H network configurations ................................................................................................. 2- 1

2.1.1 Single network system ...................................................................................................................... 2- 1

2.1.2 Redundant system (Redundant CPU).............................................................................................. 2- 2

2.1.3 Simple dual-structured system (High Performance model QCPU and Process CPU)................... 2- 3

2.1.4 Multiple network system (High Performance model QCPU, Process CPU, Redundant CPU,

and Universal model QCPU) ............................................................................................................ 2- 4

2.2 Applicable Systems.................................................................................................................................. 2- 6

2.2.1 Precautions when using link dedicated instructions......................................................................... 2-10

2.2.2 Precautions when using network modules in the multiple CPU system ......................................... 2-12

2.2.3 List of functions for each CPU module ............................................................................................. 2-18

2.3 Checking the function version and serial number................................................................................... 2-19

3 SPECIFICATIONS 3- 1 to 3-43

3.1 Performance Specifications..................................................................................................................... 3- 1

3.1.1 Performance specifications of the QJ71LP21, QJ71LP21-25, QJ71LP21S-25, QJ71LP21G,

QJ71LP21GE and QJ71BR11 network modules ............................................................................ 3- 1

3.1.2 Optical fiber cable specifications ...................................................................................................... 3- 4

3.1.3 Coaxial cable specifications.............................................................................................................. 3- 5

3.2 Function Specifications ............................................................................................................................ 3- 8

3.2.1 Cyclic transmission function (periodical communication) ................................................................ 3- 9

3.2.2 RAS function...................................................................................................................................... 3-12

3.3 Specifications of the Link Data Sending/Receiving Processing Time.................................................... 3-23

3.3.1 Link data sending/receiving processing ........................................................................................... 3-23

A - 7 A - 7

3.3.2 How to calculate the transmission delay time .................................................................................. 3-26

3.3.3 Reducing the link refresh time .......................................................................................................... 3-38

3.3.4 Reduction of the link scan time ......................................................................................................... 3-43

3.3.5 Control station shift time.................................................................................................................... 3-43

4 SETUP AND PROCEDURES BEFORE STARTING THE OPERATION 4- 1 to 4-36

4.1 Procedures Before Starting the Operation.............................................................................................. 4- 1

4.2 Component Names and Settings of the Network Module

(QJ71LP21, QJ71LP21-25, QJ71LP21S-25, QJ71LP21G, QJ71LP21GE, QJ71BR11) ...................... 4- 2

4.3 Module Switch Settings ........................................................................................................................... 4- 4

4.3.1 Setting the station number (STATION NO.)..................................................................................... 4- 4

4.3.2 Setting the mode (MODE)................................................................................................................. 4- 5

4.3.3 Installing and uninstalling the module............................................................................................... 4- 6

4.3.4 Stopping the CPU (unintentional output prevention)........................................................................4- 7

4.3.5 Checking the input power supply voltage......................................................................................... 4- 8

4.4 Powering On ............................................................................................................................................ 4- 8

4.4.1 Checking the on status of the POWER LED of the power supply module...................................... 4- 8

4.4.2 Checking the on status of the RUN LED of the network module..................................................... 4- 8

4.5 Standalone Check of the Network Module (Offline Tests) ..................................................................... 4- 9

4.5.1 Self-loopback test.............................................................................................................................. 4-10

4.5.2 Internal self-loopback test ................................................................................................................. 4-12

4.5.3 Hardware test .................................................................................................................................... 4-13

4.6 Cable Connection .................................................................................................................................... 4-14

4.6.1 Optical loop system ........................................................................................................................... 4-14

4.6.2 Coaxial bus system ........................................................................................................................... 4-17

4.7 Offline Tests from GX Developer ............................................................................................................ 4-22

4.7.1 Station-to-station test ........................................................................................................................ 4-22

4.7.2 Forward loop/reverse loop test ......................................................................................................... 4-27

4.8 Network Diagnostics from GX Developer (Online Tests) ....................................................................... 4-32

4.8.1 Loop test (optical loop system only) ................................................................................................. 4-33

4.8.2 Setup confirmation test ..................................................................................................................... 4-34

4.8.3 Station order check test (optical loop system only).......................................................................... 4-35

4.8.4 Communication test........................................................................................................................... 4-36

5 PARAMETER SETTINGS 5- 1 to 5-41

5.1 Setting the Number of Modules (Network Type) .................................................................................... 5- 7

5.2 Network Settings ...................................................................................................................................... 5- 9

5.2.1 Starting I/O No................................................................................................................................... 5- 9

5.2.2 Network No. ....................................................................................................................................... 5- 9

5.2.3 Total stations ..................................................................................................................................... 5-10

5.2.4 Group No. .......................................................................................................................................... 5-10

5.2.5 Mode .................................................................................................................................................. 5-11

5.2.6 Example of parameter settings ......................................................................................................... 5-12

5.3 Common Parameters (Network Range Assignment Screen) ................................................................ 5-13

5.3.1 Send range for each station (LB/LW settings) ................................................................................. 5-13

5.3.2 Send range for each station (LX/LY settings) .................................................................................. 5-14

5.3.3 Designation of the I/O master station ............................................................................................... 5-15

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