三菱modbus模块手册

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● SAFETY PRECAUT|ONS● (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 个 DANGER Indicates that incorrect handling may cause hazardous conditions, resulting in death or severe injury CAUTION 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 depending 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 Precautions] ◇ DANGER When controlling a running programmable controller(modifying data by connecting peripheral devices to the CPU module or connecting a personal computer to the intelligent function module, configure an interlocking circuit in a sequence program so that the safety of the overall system is always maintained. Also, before performing other control operations(program modifications and operation status modifications(status control))on the running programmable controller, be sure to read the manual carefully and thoroughly confirm the safety Especially in the above mentioned control operations that are performed from an external device to a remote programmable controller, any problems on the programmable controller side may not be dealt with promptly due to a data communication error. In addition to configuring an interlocking circuit in a sequence program, determine how the system handles data communication errors, etc. between the devices and the programmable controller CPU Do not write any data in the"system area(Use prohibited )"of the buffer memory of the intelligent function module. Also, do not output (turn on)the use prohibited"signal, which is one of the output signals from the programmable controller CPU to the intelligent function module. If data is written to the"system area(Use prohibited "or the use prohibited"signal is output, there is a risk that the programmable controller system may malfunction A-1 △CAUT|ON e Do not bundle the control wires and the communication cables with the main circuit and the power wires, and do not 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 [Installation Precautions ◇ DANGER Use the programmable controller in the operating environment that meets the general specifications described in the user's manual of the CPU Module to use. Using the programmable controller in any other operating environments may cause electric shocks, fires or malfunctions, or may damage or degrade the module While pressing the installation lever located at the bottom of the module, insert the module fixing projection into the fixing hole in the base unit to mount the module Incorrect module mounting may cause a malfunction, failure, or drop of the module 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 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 directly touch any conductive part or electronic component of the module Doing so may cause a malfunction or failure of the module △CAUT|ON Be sure to shut off all phases of the external power supply used by the system before mounting or removing the module Failure to do so may damage the module Wiring Precautions △CAUT|ON Be sure to shut off all phases of the external power supply before installation or wiring Failure to do so may result in an electric shock or damage to the product Use crimp-contact, pressure-displacement or soldering to wire the connectors for external connections properly using the manufacturer-specified tools If the connection is incomplete, it may cause the module to short circuit, catch fire, or malfunction A-2 △CAUT|ON Securely connect the connector to the module Make sure to place the communication and power cables to be connected to the module in a duct or fasten them using a clamp. If the cables are not placed in a duct or fastened with a clamp, their positions may be unstable or moved, and they may be pulled inadvertently This may damage the module and the cables or cause the module to malfunction because of faulty cable connections Wire the module correctly after confirming the type of the connected interface. If the cable is connected to a different interface or wired incorrectly it may cause a fire or breakdown When disconnecting the communication and power cables from the module, do not pull the cables by hand. When disconnecting a cable with a connector, hold the connector to the module y hand and pull it out to remove the cable. If the cable is pulled while being connected to the module, it may damage the module and/or cable or make cable contact improper, causing a malfunction Be careful not to let any foreign matter such as wire chips get inside the module They may cause fire, as well as breakdowns and malfunctions of the module. a protective sheet is pasted on the upper part of the module in order to prevent foreign matter such as wire chips to get inside the module while wiring Do not remove this protective sheet during wiring work. However, be sure to remove the protective sheet before operating the module to allow heat radiation during operation Setup and Maintenance Precautions ◇ DANGER Do not touch the terminals while the power is on doing so may cause electric shocks or malfunctions Before cleaning the module or retightening the module mounting screws, make sure to shut off all phases of the external power supply used by the system Failure to do so may cause the module to electric shocks, breakdown or malfunction. If the screws are loose, it may cause the damage the screws and cause the module to short circuit, malfunction or tallo ve/ module to short-circuit, malfunction or fall off. If the screws are tightened excessively, it may A-3 A-3 △CAUT|ON Before performing online operations(especially, program modification, forced output or operating status change)by connecting a peripheral device to a running CPU, read the manual carefully and ensure the safety. Incorrect operation will cause mechanical damage or accidents Never disassemble or modify the module. This may cause breakdowns, malfunctions, injuries or fire When using a wireless communication device such as a cellular phone, keep a distance of 25cm (9.85 inch)or more from the programmable controller in all directions Failure to do so can cause a 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 module failure or malfunctions Do not installremove the module to from the base unit more than 5o times after the first use of the product (IEC 61131-2 compliant) Failure to do so may cause 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 Operating Precautions △CAUT|ON Please read the manual carefully and confirm the safety thoroughly before performing control operations (especially, modifications of data, programs and operation status(status control))of the programmable controller that is running Incorrect modifications of data, programs and operating status may cause system malfunctions, damages to the machines or accidents Disposal Precautions] △CAUT|ON Dispose of this product as an industrial waste A-4 A-4 REVISIONS k The manual number is given on the bottom left of the back cover Print date 米 Manua| Number Revision Jan, 2004 SH(NA)-080446ENG-A First Edition Mar, 2004 SH (NA)-080446ENG-BModifications Section7.2.2,8.3.2,8.4.8.6,8.7,9.2.2,11.1,11.4,11.5 NoV, 2005 SH(NA)-080446ENG-C Modifications Section4.3.10,5.2.1,6.1,6.2,6.6,7.1,7.3.1,7.4.1to74.5,8.22, 8.3.1,8.3.3,8.7.2,9.1,10.2,10.3,11.1,11.2,11.3.2,11.33,114 Feb, 2006 SH(NA)-080446ENG-D Modifications Section2.1.24.10.1 Jan, 2008 SH(NA)-080446ENG-E Modifications SAFETY PRECAUTIONS Conformation to the emc directive and Low Voltage Instruction, About the Generic Terms and Abbreviations, Section2.1,2.5,3.1,3.2.1,5.1,5.2.1,5.5,6.1,6.4, 6.6,7.2.217.4.1,7.4.2,7.4.4, Chapter8, Section9.1.3.9.3.1,9.3.2, 9.3.3,10.2,10.3,11.1,11.2,11.3.1,11.3.3,11.4.1,11.4.2,11.5.1 Addition Section 2, 4 May, 2008 SH(NA)-080446ENG-Fl Change of a term PLC was changed to "programmable controller Modifications SAFETY PRECAUTIONS, Compliance with the EMC and Low Voltage Directives, About the Generic Terms and Abbreviations Section2.1,3.1,6.1,6.6,7.4.2,8.2.1,8.3.1,83.3,8.6,10.2,10.3, 11.2,11.3.3, Appendix3 Japanese Manual version SH(NA)-080445-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 O 2004 MITSUBISHI ELECTRIC CORPORATION A-5 A-5 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 CONTENTS SAFETY PRECAUTIONS A REVISIONS A-5 INTRODUCTION A-6 CONTENTS A Compliance with the EMc and Low voltage Directives ……A-10 The Manuals Usage and Structure A-11 About the generic Terms and abbreviations A-13 Meanings and definitions of Terms A-14 Product Configuration . A-14 1 OVERVIEW 1-1to1-5 1.1 Features 1-1 2 SYSTEM CONFIGURATION 21to2-9 2.1 Applicable 2.2 Devices Necessary for Network Configuration……… 2-4 2.3 System Configuration and Access Range…………… 2. 4 Precautions for system Configuration 2.5 How to check the function version and software version 2-8 3 SPECIFICATIONS 3-1to3 39 3.1 Performance Specifications .3-1 3.2 10 Signals for Programmable Controller CPU .3-2 3.2.1 10 signal list..… .3-2 3.3 Applications and Assignment of Buffer Memory 3-4 33.1 Butter memory list.…… 4 MODBUS STANDARD FUNCTIONS 4-1to4-20 4.1 MODBUS Standard Function Support List 4.2 Frame Specifications 4. 3 PDU Formats by Functions 日1国国 …………4-4 43.1 Read coils(FC:01)……… 4.3.2 Read discrete inputs(FC: 02) 4.3.3 Read holding registers(FC: 03) 4-8 4.3. 4 Read input registers(FC: 04) 9 4.3.5 Write single coil(FC: 05). 4-10 4.3.6 Write single register(FC: 06) 4-11 4.3.7 Write multiple coils(FC:15)…… 4-12 438 Write multiple registers(FC:16).….,… 4-14 A-6 A-6 4.3.9 Read file record (FC: 20)(SC: 06 4-15 4.3.10 Write file record(FC: 21)(SC: 06) 4-17 4. 3.11 Mask write register(FC: 22) 4-19 4.3.12 Read/rite multiple registers(FC: 23) 4-20 5 FUNCTIONS 5-1to5-15 5.1 Function List 5-1 5.2 Master function 5.2.1 Automatic communication function 5.2.2 Dedicated instructions 5.3 Slave Function 5-10 5. 3. 1 Automatic response function 5.3.2 MOdBUs device assignment function 5-11 5.4 Keep Alive Function 5.5 Router Relay Function 5-14 5.6 GX Developer Connection Function 5-15 6 PRE-OPERATIONAL PROCEDURES AND SETTING 6-1to6-19 6. 1 Handling Precautions 6.2 Pre-Operational Procedures and Setting .6-2 6. 3 Part Names 6. 4 Connection to ethernet .6-6 6.5 Unit Tests 6.5.1 Hardware test .6-8 6.5.2 Self-loopback test 6.6 Intelligent Function Module Switch Setting 6-10 6.6.1 Communication starting conditions depending on basic parameter/MODBUS device assignment parameter starting method setting 6-15 7 PARAMETER SETTING 7-1to7-33 7.1 Parameter Settings and Setting Procedure 7.2 Basic Parameters 7-6 7.2.1 Basic parameters details 7.2.2 TCP/UDP/P setting 7. 2. GX Developer connection information setting .7-16 7.24 MODBUS /TCP setting… 7.3 Automatic Communication parameters 7-19 7.3.1 Automatic communication parameters details 7-19 7.4 MODBUS Device Assignment Parameters 7-23 7.4. 1 modbus device sizes 7-25 7.4.2 MODBUs device assignment parameters details 726 7.4.3 Default assignment parameters 7-29 74.4 MODBUS extended file register assignment.………, 7-31 7.4.5 QJ71MT91 buffer memory assignment 7-32 8 UTILITY PACKAGE (GX Configurator-MB) 8-1to8-36 8.1 Functions of the Utility Package 8-1 A-7 A-7 8.2 Installing and Uninstalling the Utility Package 8.2. 1 Handling precautions 8.2.2 Operating environment 8.3 Utility Package Operation 8-6 8.3. 1 Common utility package operations 面1画 8.3.2 Operation overview 8.3.3 Starting the Intelligent function module utility 8-11 8.4 Initial Setting 8-13 8.5 Auto Refresh Setting .8-15 8.6 Monitor/Test 8.6.1 X/Y Monitor/test …8-21 8.6.2 Basic/MOdBUs device assignment parameter status 8-23 8. 6.3 Automatic communication status ..8-24 8.6.4 Error log 8-26 8. 6.5 Communication status .8-27 8.6.6 PING test 8-29 8.7 Parameter Setting Using GX Configurator-MB 8-30 8.7.1 Basic parameters…… 8-30 8.7.2 Automatic communication parameters 8-33 8.7.3 MODBUS device assignment parameters 8-35 9 PROGRAMMING 9-1to949 9.1 Parameter setting 9.1.1 Basic parameter setting 9. 1.2 Automatic communication parameter setting 9.1.3 MODBUS" device assignment parameter setting………… 9-7 9.2 Program EXample for Normal System Configuration 9-11 9.2.1 System configuration and program conditions 9-11 9.2.2 Program using utility package ., 9-18 9.2.3 Program without using utility package 9-22 9.3 Program Example for Use in MELSECNET/H Remote I/O Network 9-29 9.3. 1 System configuration and program conditions 9-29 9.3.2 Program using utility package 9-35 9.3.3 Program without using utility package 9-39 10 DEDICATED INSTRUCTIONS 10-1to10-18 10.1 Dedicated Instruction list and available devices 10-1 10.2Z(P.MBRW…. 10-2 10.3Z(P. MBREG… 10-11 11 TROUBLESHOOTING 11-1to11-48 11.1 Troubleshooting 11-1 11.2 Confirming QJ71MT91 Status 1110 1.3 Error Codes 11-13 11.3. 1 Error code storage areas .aa:.;:a 11-13 11.3.2 Exception code list 11-19 113. 3 Error code list 11-21 A-8 A-8

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