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MITSUBISHIELECTRIC
MELSECSystemQ
Programmable Logic Controllers
User's Manual
DeviceNetMaster-SlaveModule
QJ71DN91
GXConfigurator-DN
Art. no.: 139835
01 05 2003
INDUSTRIALAUTOMATION
MITSUBISHIELECTRIC
SSH (NA)-080143
Version F
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• 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
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[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 module while pressing the installation lever located at the bottom of
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[CAUTIONS ON STARTUP AND MAINTENANCE] ! DANGER • Always turn off all external power supply phases before touching any terminals. Failure to do this may result in malfunction. • Always turn of all external power supply phases before cleaning or tightening the terminal screws. Failure to do this may result in malfunction. • Do not disassemble or modify any module. This will cause failure, malfunction, injuries, or fire. • Always turn off all external power supply phases before mounting or dismou
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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.
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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. CONTENTS SAFETY PRECAUTIONS..............................................................................................................................A- 1 REVISIONS...........................................................................
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4 SETUP AND PROCEDURES BEFORE OPERATION 4- 1 to 4- 14 4.1 Setup and Procedures before Operation ................................................................................................ 4- 1 4.1.1 When using the master function ....................................................................................................... 4- 1 4.1.2 When using the slave function.......................................................................................................... 4- 2 4.1.
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7 PROGRAMMING WHEN EXECUTING THE MASTER FUNCTION 7- 1 to 7- 12 7.1 Precautions on Programming.................................................................................................................. 7- 1 7.2 System Configuration............................................................................................................................... 7- 2 7.3 Setting Parameters .......................................................................................................
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Conformation to the EMC Directive and Low Voltage Instruction For details on making Mitsubishi PLC conform to the EMC directive and low voltage instruction when installing it in your product, please see Chapter 3, "EMC Directive and Low Voltage Instruction" of the User's Manual (Hardware) of the PLC CPU to use. The CE logo is printed on the rating plate on the main body of the PLC that conforms to the EMC directive and low voltage instruction. BY making this product conform to the EMC directive
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Product Configuration The following is a list of the components in this product configuration. Model name Product name Quantity QJ71DN91 DeviceNet master-slave module 1 QJ71DN91 Terminal resistor 121Ω , 1/4W 2 Connector 1 SW1D5C-QDNU-E GX Configurator-DN Version 1 (1-license product) (CD-ROM) 1 SW1D5C-QDNU-EA GX Configurator-DN Version 1 (Multiple-license product) (CD-ROM) 1 A - 9
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1 OVERVIEW MELSEC-Q 1 OVERVIEW 1 This manual explains the specifications and name of each component of the QJ71DN91 DeviceNet master/slave module, which is used in combination with the MELSEC-Q Series PLC CPU. Please see DeviceNet Specification Manual (Release 2.0), Volumes 1 and 2, for the specifications of DeviceNet. DeviceNet is a registered trademark of Open DeviceNet Vendor Association, Inc. POINT Most of the DeviceNet products on the market are assumed to be compatible. However, compati
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1 OVERVIEW MELSEC-Q (4) When the module functions as a master node of DeviceNet, I/O communication and message communication with a DeviceNet slave node are possible. 1 (5) When the module functions as a master node of DeviceNet, the module can communicate with a maximum of 63 slave nodes. (6) Selection is available from four types of I/O communication methods when this module functions as a master node in DeviceNet. They are polling, bit strobe, change-of-state and cyclic which are def
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2 SYSTEM CONFIGURATION MELSEC-Q 2 SYSTEM CONFIGURATION This chapter explains the system configuration of DeviceNet. 2.1 Overall Configuration 2 A total of 64 modules including a master node, slave nodes and a master/slave node can be connected. Each node is connected via a tap from the trunk line or directly to the trunk line. The following shows an example of a system configuration: Master node Drop line Network power-supply Terminal resistor module (24V DC) Trunk line (main line) (121Ω ,
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2 SYSTEM CONFIGURATION MELSEC-Q (1) Network specification The following explains the network specifications of DeviceNet that uses the QJ71DN91. (a) Communication speed The communication speed can be selected from 125kbaud, 250kbaud, or 500kbaud using the mode switch of the QJ71DN91. The maximum cable length varies depending on the communication speed. 2 See Section 3.1, "Performance Specifications" for details. (b) Supplying power to the network The following describes the method of s
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2 SYSTEM CONFIGURATION MELSEC-Q 2.2 Applicable Systems This section describes the system configuration for the QJ71DN91. (1) Applicable module and the number of modules that can be installed The following are the CPU module in which the QJ71DN91 can be installed and the number of modules that can be installed. Number of modules that Applicable module Remarks can be installed Q00JCPU Maximum 16 1 ( ) Q00CPU Maximum 24 Q01CPU Q02CPU Q02HCPU CPU module Can be installed in Q mode only Q06HCPU Ma
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2 SYSTEM CONFIGURATION MELSEC-Q (4) Software packages supported Correspondence between systems which use QJ71DN91s and software packages are as shown below. The GX Developer is necessary when using a QJ71DN91. Software Version 2 GX Developer GX Configurator-DN Single PLC system Version 7 or later Q00J/Q00/ Version 1.10L or later Q01CPU Multiple PLC system Version 8 or later Single PLC system Version 4 or later Version 1.00A or later Q02/Q02H/ Q06H/Q12H/ Q25HCPU Multiple PLC system Version 6
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2 SYSTEM CONFIGURATION MELSEC-Q (2) How to check the GX Configuration-DN software version The GX Configurator-DN software version can be checked in GX Developer's "Product information" screen. [Startup procedure] GX Developer "Help" Product information Software version (In the case of GX Developer Version 7) 2.4 About Use of the QJ71DN91 with the Q00J/Q00/Q01CPU Here, use of the QJ71DN91 with the Q00J/Q00/Q01CPU is explained. (1) Number of QJ71DN91 that can be installed when the Q00J/Q0
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2 SYSTEM CONFIGURATION MELSEC-Q 2.5 About Additional Function The added function is described below. Function Serial No. Function Outline Reference Section Addition of Each Node Communication First five digits of Indicates whether an I/O Error Status (addresses 01C0H to 01C3H serial No. are communication error has Section 3.4.1 (10) /448 to 451) 04102 or later occurred or not in each node. POINT Refer to Section 2.3 for the way to confirm the serial No. 2.6 Compatible DeviceNet Products from O
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3 SPECIFICATIONS MELSEC-Q 3 SPECIFICATIONS 3.1 Performance Specifications This section explains the performance specifications for QJ71DN91, I/O signals for PLC CPU and specifications for buffer memory. See the PLC CPU User's Manual to be used for the general specifications for QJ71DN91. Item Specifications Node type Device net master (Group 2 only client) Node numbers which can be set 0 to 63 Number of 3 Message connection 63 connections When that be I/O connection 63 (polling, bit strobe, ch
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3 SPECIFICATIONS MELSEC-Q 3.2 Functions This section explains the functions of the QJ71DN91. 3.2.1 Master function (I/O communication function) The I/O communication function executes the I/O data communication with each slave node. In the I/O communication function, the connection type can be set according to the specification of the slave node. There are four connection types: polling, bit strobe, change-of-state, and cyclic. The connection type can be set with a parameter. 3 (1) When GX
