Mitsubishi MELSEC Q Series User manual

CC-Link System Master/Local Module User's Manual

User's Manual User's Manual

Mitsubishi Programmable

Logic Controller

MODEL

CODE

QJ61BT11-U-S-E

13JL91

SH(NA)-080016-E(0305)MEE

QJ61BT11

CC-Link System Master/Local Module

Specifications subject to change without notice.

When exported from Japan, this manual does not require application to the

Ministry of Economy, Trade and Industry for service transaction permission.

HEAD OFFICE : 1-8-12, OFFICE TOWER Z 14F HARUMI CHUO-KU 104-6212,JAPAN

NAGOYA WORKS : 1-14 , YADA-MINAMI 5-CHOME , HIGASHI-KU, NAGOYA , JAPAN

A - 1 A - 1

•SAFETY PRECAUTIONS •

(Always read these instructions before using this equipment.)

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 user's manual of the CPU module to use.

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 save this manual to make it accessible when required and always forward it to the end user.

[DESIGN PRECAUTION]

!DANGER

•See Chapter 5 of this manual for each station's operating status when there is a communication

error in the data link.

•When performing the control of the PLC in operation (changing data) by connecting a personal

computer, etc. to the intelligent function module or connecting peripheral devices to the CPU

module, configure an interlock circuit in a sequence program so the safety of the overall system

is always maintained.

Before performing other controls of the PLC in operation (changing program and operation

status (status control)), read this manual carefully and confirm if the overall safety is maintained.

Especially, when this control is performed to a remote PC from an external device, troubles that

have occurred on the PLC side may not be able to immediately be handled if there is a data

communication error.

Define a troubleshooting agreement between external devices and the PLC CPU for data

communication error occurrences, as well as construct an interlock circuit in the sequence

program.

A - 2 A - 2

[DESIGN PRECAUTION]

!DANGER

•Do not write data into the "system area" of the buffer memory of intelligent function modules.

Also, do not output the "prohibited to use" signal as the output signal to an intelligent function

module from the PLC CPU.

Writing data into the "system area" or outputting a signal for "prohibited to use" may cause

system malfunction in the PLC.

•To specify the automatic refresh parameter, specify "Y" for the remote output RY refresh device.

If a value other than "Y" (for example, M or L) is specified, the status of the device will remain as

it was prior to the STOP operation when the CPU is stopped.

See Section 4.4.10 for how to stop the data link.

[DESIGN PRECAUTION]

!CAUTION

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

install them close to each other.

They should be installed 100mm(3.9inch) or more from each other.

Not doing so could result in noise that may cause malfunction.

[INSTALLATION PRECAUTIONS]

!CAUTION

•Use the PLC in an environment that meets the general specifications contained in the CPU

user's manual to use.

Using this PLC in an environment outside the range of the general specifications may cause

electric shock, fire, malfunction, and damage to or deterioration of the product.

•When installing the module, securely insert the module fixing tabs into the mounting holes of the

base unit while pressing the installation lever located at the bottom of the module downward.

Improper installation may result in malfunction, breakdown or dropping out of the module.

Securely fix the module with screws if it is subject to vibration during use.

•Tighten the screws within the range of specified torque.

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

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

resulting in fallout, short circuits or malfunction.

•Switch all phases of the external power supply off when mounting or removing the module.

Not doing so may cause damage to the module.

•Do not directly touch the conductive area or electronic components of the module.

Doing so may cause malfunction or failure in the module.

A - 3 A - 3

[WIRING PRECAUTIONS]

!CAUTION

•When turning on the power and operating the module after installing is completed, always attach

the terminal cover that comes with the product.

There is a risk of malfunction if the terminal cover is not attached.

•Tighten the terminal screws within the range of specified torque.

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

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

module, resulting in fallout, short circuits or malfunction.

•Be careful not to let foreign matters such as sawdust or wire chips get inside the module.

These may cause fires, failure or malfunction.

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

cable offcuts from entering the module when wiring.

Do not remove this film until the wiring is complete.

Before operating the system, be sure to remove the film to provide adequate heat ventilation.

•Use a dedicated cable as specified by the manufacturer for the CC-Link system. If a cable other

than the one specified by the manufacturer is used, the performance of the CC-Link system

cannot be guaranteed. Also, follow the specifications listed in Chapter 3 for the overall cable

distance and the station-to-station cable length. If wiring is done other than as specified,

accurate transmission of data cannot be guaranteed.

•Be sure to fix communication cables or power supply cables leading from the module by placing

them in the duct or clamping them.

Cables not placed in the duct or without clamping may hang or shift, allowing them to be

accidentally pulled, which may cause a module malfunction and cable damage.

•When removing the communication cable or power supply cable from the module, do not pull the

cable. When removing the cable with a connector, hold the connector on the side that is

connected to the module.

When removing the cable connected to the terminal block, first loosen the screws on the part

that is connected to the terminal block.

Pulling the cable that is still connected to the module may cause malfunction or damage to the

module or cable.

A - 4 A - 4

[STARTING AND MAINTENANCE PRECAUTIONS]

!CAUTION

•Do not disassemble or modify each module.

Doing so could cause failure, malfunction, injury or fire.

•Switch all phases of the external power supply off when mounting or removing the module.

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

•Do not touch the connector while the power is on.

Doing so may cause malfunction.

•Switch all phases of the external power supply off when cleaning or retightening terminal screws

and module installation screws.

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

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

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

resulting in fallout, short circuits or malfunction.

•Always make sure to touch the grounded metal to discharge the electricity charged in the body, etc.,

before touching the module.

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

[DISPOSAL PRECAUTIONS]

!CAUTION

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

A - 5 A - 5

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

Print Date Manual Number Revision

Dec., 1999 SH (NA)-080016-A First printing

Oct., 2000 SH (NA)-080016-B Add the contents of the function version B.

Change the name from MELSECNET/10H to MELSECNET/H.

Added model type

Section 2.2.3

Addition

Section 1.3, Section 2.2.4, Section 4.4.12, Appendix 5

Correction

About the Generic Terms and Abbreviations, Section 1.2, Section 2.2.1,

Section 3.1, Section 4.1, 4.4.3, 4.4.8, Section 5.1, 5.3.1, Section 6.3.1,

6.3.3, Section 7.3, Section 8.4.1, 8.4.2, Section 9.2.1, 9.2.2, 9.3, Section

11.4, Section 13.1, 13.4, Appendix 2.2, 2.3, 2.4, 2.6, Index

Jun., 2001 SH (NA)-080016-C Standardize the name from software package (GPP function) to Product

name (GX Developer).

Addition

Section 2.2.6, Section 4.2.5, 4.2.6, Section 6.1.3, 6.4, Appendix 2.7

Correction

SAFETY PRECAUTIONS, Conformation to the EMC Directive and Low

Voltage Instruction, About the Generic Terms and Abbreviations, Product

Components, Section 1.2, 1.3, Section 2.2.1, 2.2.3, 2.2.4, Section 3.2,

Section 4.1, 4.4.3, 4.4.8, Section 5.3.1, 5.3.2, 5.3.3, Section 7.1, Section

8.4.1, 8.4.2, Section 10.3.3, Section 13.1, 13.3, 13.4, Appendix 2.1, 2.2,

Appendix 3, Appendix 4

Jul., 2002 SH (NA)-080016-D Correction

Section 2.2.3, Section 4.3.5, Section 5.4.1, 5.4.2, Section 8.4.1, 8.4.2,

Section 13.4

May, 2003 SH (NA)-080016-E Addition

Section 5.4, 5.4.1

Correction

SAFETY PRECAUTIONS, Section 2.2.1, Section3.1, Section 4.4.11,

Section 5.1, Section 6.2, Section 7.2.1, 7.8, Section 8.3.1, 8.4.1, 8.4.2,

Section 13.1, 13.3, 13.4, Appendix 2.1 to 2.6

Japanese Manual Version SH-080017-G

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.

1999 MITSUBISHI ELECTRIC CORPORATION

A - 6 A - 6

INTRODUCTION

Thank you for purchasing the MELSEC-Q series PLC.

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

and performance of the Q series PLC 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- 5

INTRODUCTION............................................................................................................................................A- 6

Conformation to the EMC Directive and Low Voltage Instruction................................................................A-11

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

Product Components .....................................................................................................................................A-14

1 OVERVIEW 1- 1 to 1-11

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

1.2 Features ..................................................................................................................................................1- 2

1.3 About Added/Changed Functions in Function Version B......................................................................1-11

2 SYSTEM CONFIGURATION 2- 1 to 2-11

2.1 System Configuration..............................................................................................................................2- 1

2.2 Applicable System ..................................................................................................................................2- 2

2.2.1 Applicable modules and number of CPUs that can be mounted....................................................2- 2

2.2.2 Notes on the system configuration ..................................................................................................2- 4

2.2.3 Equipment list...................................................................................................................................2- 6

2.2.4 How to check the function version and serial No............................................................................2-10

2.2.5 About Version 1.10...........................................................................................................................2-10

2.2.6 About use of the QJ61BT11 with the Q00J/Q00/Q01CPU.............................................................2-11

3 SPECIFICATIONS 3- 1 to 3- 5

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

3.1.1 Maximum overall cable distance (for Ver. 1.00)..............................................................................3- 2

3.1.2 Maximum overall cable distance (for Ver. 1.10)..............................................................................3- 4

3.2 CC-Link Dedicated Cable .......................................................................................................................3- 5

4 FUNCTIONS 4- 1 to 4-65

4.1 Function List............................................................................................................................................4- 1

4.2 Basic Functions.......................................................................................................................................4- 3

4.2.1 Communication with the remote I/O stations ..................................................................................4- 3

4.2.2 Communication with the remote device stations.............................................................................4- 5

4.2.3 Communication with the local stations............................................................................................4-10

4.2.4 Communication with the intelligent device stations.........................................................................4-16

A - 7 A - 7

4.2.5 Parameter setting with GX Developer.............................................................................................4-22

4.2.6 Parameter setting with dedicated instruction ..................................................................................4-23

4.3 Functions for Improving System Reliability............................................................................................4-25

4.3.1 Disconnecting data link faulty stations and continuing the data link with only normal stations

(Slave station cut-off function).........................................................................................................4-25

4.3.2 Automatically reconnecting a disconnected data link faulty station when it returns to normal

(Automatic return function)..............................................................................................................4-26

4.3.3 Continuing the data link when an error occurs in the master station PLC CPU

(Data link status setting when the master station PLC CPU has an error)....................................4-27

4.3.4 Retaining the device status of a data link faulty station

(Setting the status of input data from a data link faulty station).....................................................4-28

4.3.5 Continuing the data link even when the master station is faulty (Standby master function)........4-29

4.4 Handy Functions.....................................................................................................................................4-44

4.4.1 Simplifying the initialization procedure registration of remote device stations

(Remote device station initialization procedure registration function)............................................4-44

4.4.2 Performing high-speed processing (Event issuance for the interrupt program)............................4-47

4.4.3 Enabling the data link simply by powering on (Automatic CC-Link startup) ..................................4-50

4.4.4 Communicating with intelligent device stations (Remote net mode)..............................................4-52

4.4.5 Speeding up the response from remote I/O stations (Remote I/O net mode)...............................4-53

4.4.6 Creating a program that contains modules to be added in the future

(Reserved station function)..............................................................................................................4-54

4.4.7 Powering off a station in operation without error detection

(Error invalid station setting function)..............................................................................................4-55

4.4.8 Synchronizing the link scan with the sequence scan (Scan synchronous function)......................4-56

4.4.9 Replacing modules without error detection (Temporary error invalid station setting function)......4-60

4.4.10 Checking operations for each local station (Data link stop/restart)..............................................4-61

4.4.11 Station number overlap checking function....................................................................................4-62

4.4.12 Multiple PLC System Support........................................................................................................4-63

4.5 Transient Transmission Functions .........................................................................................................4-64

4.5.1 Performing transient transmission (Dedicated instructions)...........................................................4-64

5 DATA LINK PROCESSING TIME 5- 1 to 5-25

5.1 Link Scan Time .......................................................................................................................................5- 1

5.2 Transmission Delay Time.......................................................................................................................5- 4

5.2.1 Master station remote I/O station...............................................................................................5- 4

5.2.2 Master station remote device station .........................................................................................5- 6

5.2.3 Master station local station.........................................................................................................5-11

5.2.4 Master station intelligent device station .....................................................................................5-16

5.3 Processing Time for Dedicated Instructions ..........................................................................................5-17

5.3.1 Master station local station.........................................................................................................5-17

5.3.2 Local station local station............................................................................................................5-20

5.3.3 Master station intelligent device station .....................................................................................5-21

5.4 Link Refresh Time....................................................................................................................................5-22

5.4.1 Master station/local station ...............................................................................................................5-22

5.5 Station Status at Error Occurrence..........................................................................................................5-24

5.5.1 Status of the master station, standby master station

(when the master station is operating) and remote I/O station at error occurrence......................5-24

5.5.2 Status of the remote device station, local station, standby master station

(when the local station is operating) and intelligent device station at error occurrence................5-25

A - 8 A - 8

6 PARAMETER SETTINGS 6- 1 to 6-20

6.1 Procedure from Parameter Settings to Data Link Startup.....................................................................6- 1

6.1.1 CPU parameter area and master module parameter memory.......................................................6- 1

6.1.2 Procedure from parameter settings to data link startup with GX Developer..................................6- 2

6.1.3 Procedure from parameter settings to data link startup with dedicated instruction.......................6- 2

6.2 Parameter Setting Items.........................................................................................................................6- 3

6.3 Example of Parameter Settings with GX Developer..............................................................................6- 5

6.3.1 Master station network parameter settings.....................................................................................6- 5

6.3.2 Master station automatic refresh parameter settings......................................................................6-10

6.3.3 Local station network parameter settings........................................................................................6-12

6.3.4 Local station automatic refresh parameter settings........................................................................6-14

6.4 Example of Parameter Setting with Dedicated Instruction ....................................................................6-16

7 PROCEDURE BEFORE STARTING THE DATA LINK 7- 1 to 7-18

7.1 Procedure Before Starting the Data Link ...............................................................................................7- 1

7.2 Installation ...............................................................................................................................................7- 3

7.2.1 Handling precautions .......................................................................................................................7- 3

7.2.2 Installation environment...................................................................................................................7- 3

7.3 Part Identification Nomenclature and Settings.......................................................................................7- 4

7.4 Checking the Module Status (Hardware Test).......................................................................................7- 7

7.5 Connecting the Modules Using the CC-Link Dedicated Cables............................................................7- 9

7.5.1 Wiring check.....................................................................................................................................7-10

7.6 T-Branch Connection with the CC-Link Dedicated Cable .....................................................................7-11

7.6.1 T-Branch system configuration........................................................................................................7-11

7.6.2 T-Branch communication specifications list....................................................................................7-12

7.7 Switch Settings........................................................................................................................................7-13

7.7.1 Station number setting.....................................................................................................................7-13

7.7.2 Transmission rate and mode settings .............................................................................................7-14

7.8 Checking the Connection Status (Line Test) .........................................................................................7-15

8 PROGRAMMING 8- 1 to 8-29

8.1 Precautions on Programming.................................................................................................................8- 1

8.2 I/O Signals for the PLC CPU ..................................................................................................................8- 2

8.2.1 I/O Signal list.....................................................................................................................................8- 2

8.2.2 Details of the I/O signals..................................................................................................................8- 4

8.3 Buffer Memory.........................................................................................................................................8- 5

8.3.1 Buffer memory list ............................................................................................................................8- 5

8.3.2 Buffer memory details......................................................................................................................8- 7

8.4 Link Special Relays and Registers (SB/SW) .........................................................................................8-17

8.4.1 Link special relays (SB)....................................................................................................................8-17

8.4.2 Link special registers (SW)..............................................................................................................8-22

A - 9 A - 9

9 COMMUNICATION BETWEEN THE MASTER STATION AND REMOTE I/O STATIONS 9- 1 to 9-10

9.1 Configuring a System..............................................................................................................................9- 1

9.1.1 Setting the master station ................................................................................................................9- 2

9.1.2 Setting the remote I/O stations ........................................................................................................9- 3

9.2 Setting the Master Station Parameters ..................................................................................................9- 4

9.2.1 Setting the network parameters of the master station....................................................................9- 4

9.2.2 Setting the automatic refresh parameters of the master station.....................................................9- 6

9.3 Creating a Program.................................................................................................................................9- 7

9.4 Performing the Data Link........................................................................................................................9- 9

9.4.1 Confirming the operation with the LED display...............................................................................9- 9

9.4.2 Confirming the operation with the sequence program....................................................................9-10

10 COMMUNICATION BETWEEN THE MASTER STATION AND

REMOTE DEVICE STATIONS 10- 1 to 10-17

10.1 Configuring a System .........................................................................................................................10- 1

10.1.1 Setting the master station............................................................................................................10- 2

10.1.2 Setting the remote device station................................................................................................10- 3

10.2 Setting the Master Station Parameters..............................................................................................10- 4

10.2.1 Setting the network parameters of the master station................................................................10- 4

10.2.2 Setting the automatic refresh parameters of the master station.................................................10- 6

10.3 Initial Setting of the Remote Device Station.......................................................................................10- 7

10.3.1 Setting the target station number ................................................................................................10- 7

10.3.2 Setting the regist procedure registration .....................................................................................10- 7

10.3.3 Validating the remote device station initial settings ....................................................................10-11

10.3.4 Setting with the sequence program (Reference) ........................................................................10-12

10.4 Creating a Program.............................................................................................................................10-13

10.5 Performing the Data Link....................................................................................................................10-16

10.5.1 Confirming the operation with the LED display...........................................................................10-16

10.5.2 Confirming the operation with the sequence program................................................................10-17

11 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL STATIONS 11- 1 to 11-13

11.1 Configuring a System .........................................................................................................................11- 1

11.1.1 Setting the master and local stations...........................................................................................11- 2

11.2 Setting the Master Station Parameters..............................................................................................11- 3

11.2.1 Setting the network parameters of the master station................................................................11- 3

11.2.2 Setting the automatic refresh parameters of the master station.................................................11- 5

11.3 Setting the Local Station Parameters.................................................................................................11- 6

11.3.1 Setting the network parameters of the local station....................................................................11- 6

11.3.2 Setting the automatic refresh parameters of the local station....................................................11- 8

11.4 Creating a Program.............................................................................................................................11- 9

11.5 Performing the Data Link....................................................................................................................11-12

11.5.1 Confirming the operation with the LED display...........................................................................11-12

11.5.2 Confirming the operation with the sequence program................................................................11-13

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