Mitsubishi Electric QJ71DN91 Manuale utente

DeviceNet Master-Slave Module

User's Manual

-QJ71DN91

A - 1 A - 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

If a communications error occurs on a DeviceNet network, faulty nodes will behave as follows:

(1) The master node (QJ71DN91) holds input data which had been received from slave nodes

before the error occurred.

(2) Whether output signals of a slave node are turned off or held is determined by the slave

node's specifications or the parameters set at the master node. When the QJ71DN91 is

used as a slave node, it holds data that have been input from the master node before the

communication error.

Utilizing communications states of slave nodes, create an interlock circuit on sequential

programs and provide safety mechanism externally so that the system will operate safely.

CAUTION

Do not install control wires or communication cables together with the main circuit or power

wires, or bring them close to each other.

Keep a distance of 300mm or more between them.

Failure to do so may cause malfunctions due to noise.

A - 2 A - 2

[INSTALLATION PRECAUTIONS]

CAUTION

Use the programmable controller in an environment that meets the general specifications

contained in the User's Manual of the CPU module used.

Using it in an environment that does not meet them may result in an electric shock, fire,

malfunction, and damage to or deterioration of the product.

While pressing the installation lever on the lower part of the module, insert the module fixing

projection into the hole in the base unit. Then, securely mount the module.

Incorrect module mounting may cause the module to malfunction, fail or fall off.

Secure the module with screws especially when it is used in an environment where constant

vibrations may occur.

Tighten the screws within the specified torque range.

If the screws are loose, it may cause falling, short circuits, or malfunction.

If the screws are tightened too much, it may cause damage to the screw and /or the module,

resulting in falling, short circuits or malfunction.

Before mounting/dismounting the module, be sure to shut off all phases of the external power

supply used by the system. Failure to do so may cause product damage.

Do not directly touch the conductive area or electric components of the module.

Doing so may cause malfunction or failure in the module.

[WIRING PRECAUTIONS]

WARNING

Before installation or wiring, shut off all phases of the external power supply used in the system.

Failure to do so may cause an electric shock, damage to the product or malfunction.

CAUTION

Be careful to prevent foreign matter such as dust or wire chips from entering the module.

It may cause a fire, failure or malfunction.

The module has an ingress prevention label on its top to prevent foreign matter, such as wire

chips, from entering the module during wiring. Do not peel this label during wiring. Remove it for

heat dissipation before system operation.

Place the communication cables and power cables connected to the module in a duct or clamp

them.

Otherwise, dangling cables may swing or inadvertently be pulled, resulting in damage to the

module or cables or malfunctions due to poor cable contact.

Do not pull the cable part when disconnecting the cable from the module. To disconnect a cable

with connector, hold the connector that is plugged into the module. To disconnect a cable

without connector, loosen the screws used for fastening.

Pulling the cable that is still connected to the module may damage the module and/or cable, or

cause a malfunction due to poor contact.

A - 3 A - 3

[STARTUP/MAINTENANCE PRECAUTIONS]

CAUTION

Do not touch any terminal unless all phases of the external power supply have been shut off.

Doing so may cause a malfunction.

Always turn off all phases of the external power supply before cleaning or retightening the

terminal screws.

Failure to do so may result in a malfunction.

Do not disassemble or remodel the module.

Doing so will cause failure, malfunctions, injuries, or a fire.

Before mounting/dismounting the module, be sure to shut off all phases of external power supply

used by the system.

Failure to do so may cause module failure or malfunctions.

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, touch a grounded metal object to discharge the static electricity

from the human body.

Failure to do so may cause a failure or malfunctions of the module.

[DISPOSAL PRECAUTION]

CAUTION

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

A - 4 A - 4

CONDITIONS OF USE FOR THE PRODUCT 

A - 5 A - 5

REVISIONS

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

Print Date *Manual Number Revision

Dec. 2000 SH (NA)-080143-A First Printing

Jun. 2001 SH (NA)-080143-B

Addition

Section 2.3, 2.4

Delete

Section 2.2.1, 2.2.2

Correction

SAFETY PRECAUTIONS, About the Generic Terms and Abbreviations,

Product Configuration, Section 2.2, 2.4, Section 6.2, 6.2.1, 6.2.2, 6.3.3,

6.5

Feb. 2002 SH (NA)-080143-C

Correction

About the Generic Terms and Abbreviations, Section 2.2, Section 6.2.1,

6.2.2

Dec. 2002 SH (NA)-080143-D

Addition

Section 2.5

Correction

Section 2.2, Section 3.3.2, 3.4.1, Section 6.1, 6.2.1, 6.3.2, 6.4, 6.5,

Section 9.2.1, 9.2.2

Feb. 2003 SH (NA)-080143-E

Correction

SAFETY PRECAUTIONS, INTRODUCTION, CONTENTS, Section 6.2.2,

Section 6.3.3, Section 6.4, Section 6.5

May. 2003 SH (NA)-080143-F

Correction

Section 6.3.1

Jun. 2004 SH (NA)-080143-G

Correction

Section 2.2, 2.3, Section 3.3.2, Section 4.2.1, Section 6.3.2, 6.5, 6.6,

Section 7.3.2, Section 8.1, 8.3, Section 9.3

Feb. 2006 SH (NA)-080143-H

Correction

SAFETY PRECAUTIONS, Compliance with the EMC and Low Voltage

Directives, Section 1.1, Section 2.1, 2.3, Section 3.2.1, 3.4, 3.5, Section

4.1, 4.2.1, Chapter 5, Chapter 6 (screen change), Section 6.2.2, Section

7.1, 7.2, 7.3.1, 7.4, 7.5.2, 7.7, Section 8.3, Section 9.3, Appendix 3

Mar. 2006 SH (NA)-080143-I

Addition

Section 2.5, 3.4.1

Correction

Section 3.4.1

A - 6 A - 6

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

Print Date *Manual Number Revision

Jan. 2008 SH(NA)-080143-J

Correction

Generic Terms and Abbreviations, Section 1.1, 2.1 to 2.3, 3.4, Chapter 4,

Section 5.1 to 5.4, 5.6, 6.1, 6.2, 6.4, 6.5, Chapter 7 and 8, Section 9.1,

9.2, Appendix 6

Addition

Definitions of Terminology, Section 2.4, 3.2, 6.5.1 to 6.5.17, 7.3.1, 7.4.1,

8.2.1, 8.3.1, 9.1.5, 9.2.3, Appendix 2

Deletion

Section 2.4 to 2.6, Chapter 5

Section Numbers Changed

Section 3.2 -> Chapter 4, Section 3.3.2 -> Sections 3.3.2 and 3.3.3,

Section 3.4.2 -> Section 3.4.2 to 3.4.14, Chapter 4 -> Chapter 5,

Appendix 2 to 6 -> Appendix 3 to 7

May. 2008 SH(NA)-080143-K

Correction

SAFETY PRECAUTIONS, Compliance with the EMC and Low Voltage

Directives, Generic Terms and Abbreviations, Section 2.2, 2.3, 5.2.1,

6.2.1, 6.3.3, 6.4, 6.5

Jun. 2011 SH(NA)-080143-L

Addition

CONDITIONS OF USE FOR THE PRODUCT, Chapter 9, Section 3.4.15,

3.4.16

Section Numbers Changed

Chapter 9 -> Chapter 10

Correction

GENERIC TERMS AND ABBREVIATIONS, Section 1.1, 2.2, 2.3, 3.4.1,

3.4.3, 3.5.1, 4.1, 4.3, 6.2.1, 7.1, 7.3, 7.4.2, 7.8, 8.3.2, 10.2.1, Appendix 2

Sep. 2014

SH(NA)-080143-M

Addition

Appendix 4, 5

Section Numbers Changed

Section 3.5.1 -> Section 3.5.3, Section 3.5.3 -> Section 3.5.1, Appendix 4

to 7 -> Appendix 5 to 8, Appendix 5 to 8 -> Appendix 6 to 9

Correction

COMPLIANCE WITH THE EMC AND LOW VOLTAGE DIRECTIVES,

GENERIC TERMS AND ABBREVIATIONS, Section 2.1, 2.2, 2.3, 3.4.12,

3.5.3, 4.3, 5.2.1, 6.2.1, 6.2.2, 9.1, 9.2, 9.3, 9.4, 9.5, Appendix 3.5

A - 7 A - 7

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

Print Date *Manual Number Revision

Sep. 2018 SH(NA)-080143-N Correction

MANUALS, Chapter 1, Section 2.1, 2.4, 4.6, Chapter 6, Section 6.1,

6.2.2, 6.7, 7.1, 7.8.1, 7.9.1, 9.1, 9.2, 9.4.2, 9.4.3, 9.5

Deletion

Section 4.2.3

Section Numbers Changed

Appendix 5 to 9 -> Appendix 2 to 6

Japanese Manual Version SH-080125-P

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.

2000 MITSUBISHI ELECTRIC CORPORATION

A - 8 A - 8

INTRODUCTION

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

Before using the product, please read this manual carefully to understand the functions and performance of

the Q series programmable controller to ensure correct use.

CONTENTS

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

CONDITIONS OF USE FOR THE PRODUCT .............................................................................................A- 4

REVISIONS ....................................................................................................................................................A- 5

INTRODUCTION............................................................................................................................................A- 8

CONTENTS....................................................................................................................................................A- 8

COMPLIANCE WITH THE EMC AND LOW VOLTAGE DIRECTIVES.......................................................A-11

GENERIC TERMS AND ABBREVIATIONS .................................................................................................A-12

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

PACKING LIST...............................................................................................................................................A-14

1 OVERVIEW 1- 1 to 1- 3

1.1 Features ................................................................................................................................................... 1- 1

2 SYSTEM CONFIGURATION 2- 1 to 2- 7

2.1 Overall Configuration ............................................................................................................................... 2- 1

2.2 Applicable Systems.................................................................................................................................. 2- 3

2.3 How to Check the Function Version and Serial Number ........................................................................ 2- 4

2.4 Precautions on System Configuration ..................................................................................................... 2- 6

3 SPECIFICATIONS 3- 1 to 3-50

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

3.1.1 Maximum trunk line distance when using thick and thin cables ...................................................... 3- 2

3.2 Function Lists ........................................................................................................................................... 3- 3

3.3 I/O Signals for Programmable Controller CPU ....................................................................................... 3- 4

3.3.1 I/O signal list ...................................................................................................................................... 3- 4

3.3.2 I/O signals for the master function .................................................................................................... 3- 5

3.3.3 I/O signals for the slave function....................................................................................................... 3-13

3.4 Buffer Memory.......................................................................................................................................... 3-17

3.4.1 Buffer memory list ............................................................................................................................. 3-17

3.4.2 Message communication area for master function .......................................................................... 3-20

3.4.3 Own node status area for master function ....................................................................................... 3-25

3.4.4 Node status area for master function ............................................................................................... 3-28

3.4.5 Master function parameter setting area............................................................................................ 3-31

3.4.6 Communication data area for master function ................................................................................. 3-36

3.4.7 Link scan time area for master function ........................................................................................... 3-38

3.4.8 Own node status area for slave function .......................................................................................... 3-39

3.4.9 Parameter setting area for slave function......................................................................................... 3-40

3.4.10 Communication data area for slave function.................................................................................. 3-41

3.4.11 Own node information area ............................................................................................................ 3-42

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