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MODBUS
Interface Module
Thank you for purchasing the Mitsubishi programmable controller
MELSEC-Q Series.
Prior to use, please read both this and the detailed manual
thoroughly and familiarize yourself with the product.
©2004 MITSUBISHI ELECTRIC CORPORATION
User's Manual
QJ71MT91
MODEL QJ71MT91-U-HW-JE
MODEL
CODE
IB(NA)-0800280-C(0808)MEE
/TCP
R
(Hardware)
13JP52
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Table of Contents
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Summary of Contents for Mitsubishi QJ71MT91
- Page 1 MODBUS /TCP Interface Module User’s Manual (Hardware) QJ71MT91 Thank you for purchasing the Mitsubishi programmable controller MELSEC-Q Series. Prior to use, please read both this and the detailed manual thoroughly and familiarize yourself with the product. MODEL QJ71MT91-U-HW-JE MODEL 13JP52...
- Page 2 SAFETY PRECAUTIONS (Always read these instructions before using this product.) 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 provided here are limited to those for the installation of this product and wiring to the other devices only.
- Page 3 [Design Precautions] DANGER 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.
- Page 4 [Wiring Precautions] CAUTION Completely turn off the externally supplied power used in the system when placing wiring. Not completely turning off all power could result in electric shock or damage to the product. External connections shall be crimped or pressure welded with the specified tools, or correctly soldered.
- Page 5 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.
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Page 6: Table Of Contents
CONTENTS 1. Overview......................1 2. Performance Specifications ................1 3. Mounting and Installation ................3 3.1 Handling Precautions ................3 3.2 Installation Environment ................3 4. Part Names....................3 5. Connection to Ethernet .................. 5 6. Setting from GX Developer ................6 7. - Page 7 (1) For programmable controller system To configure a system meeting the requirements of the EMC and Low Voltage Directives when incorporating the Mitsubishi programmable controller (EMC and Low Voltage Directives compliant) into other machinery or equipment, refer to Chapter 9 "EMC AND LOW VOLTAGE DIRECTIVES"...
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Page 8: Overview
1. Overview This manual explains how to install the QJ71MT91 MODBUS /TCP Interface Module (hereinafter referred to as QJ71MT91) and how to wire it to other devices. MODBUS is a registered trademark of Schneider Electric SA. (Product Configuration) Model Item name... - Page 9 Specifications Item 10BASE-T 100BASE-TX Automatic response Function (for receive) 12 functions function Coil 64k points Input 64k points Slave MODBUS Input register 64k points function device size Holding register 64k points Extended file register Max. 4086k points No. of simultaneously acceptable request messages Developer Number of simultaneously connectable...
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Page 10: Mounting And Installation
3. Mounting and Installation 3.1 Handling Precautions (1) Since the case of the QJ71MT91 is made of resin, do not drop or give it hard impact. (2) Always make sure to touch the grounded metal to discharge the electricity charged in the body, etc., before touching the module. - Page 11 Name Description Refer to the following section, (1) Indications of Indicator LEDs indicator LEDs. Connector for connection of the QJ71MT91 to 10BASE/T/100BASE-TX 10BASE-T/100BASE-TX. connector (RJ45) (The QJ71MT91 detects whether 10BASE-T or 100BASE-TX is used according to the hub.) 1: The LED on the connector is not lit.
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Page 12: Connection To Ethernet
Consult a specialist when connecting cable terminals or installing trunk line cables, etc. (2) The QJ71MT91 detects whether 10BASE-T or 100BASE-TX, and the full or half duplex communication mode is used according to the hub. For connection with the hub that does not support the auto negotiation... -
Page 13: Setting From Gx Developer
Switch 4 IP address setting (low order) 00FE Switch 5 No setting (blank). (1) Operation mode setting (Switch 1) Set the operation mode of the QJ71MT91, such as the online or offline mode. Set value Item Description Normal operation mode. Communicates... - Page 14 OFF then ON or reset the programmable controller CPU. When setting parameters by GX Configurator-MB, set 1 to both b0 and b1. (3) IP address setting (Switch 3, Switch 4) Set the IP address of the QJ71MT91 on the local station. IP address : 192. 1. 0. 254 <Switch 3>...
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Page 15: External Dimensions
7. External Dimensions 90 (3.54) 27.4 (1.08) (Unit: mm (in.)) Ethernet is a trademark of Xerox Corporation. MODBUS is a registered trademark of Schneider Electric SA. All other company names and product names used in this manual are trademarks or registered trademarks of their respective companies. - Page 16 Warranty Mitsubishi will not be held liable for damage caused by factors found not to be the cause of Mitsubishi; machine damage or lost profits caused by faults in the Mitsubishi products; damage, secondary damage, accident compensation caused by special factors unpredictable by Mitsubishi;...