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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.
Please forward a copy of this manual to the end user.
CONTENTS
SAFETY PRECAUTIONS..............................................................................................................................A- 1
CONDITIONS OF USE FOR THE PRODUCT .............................................................................................A- 5
REVISIONS ....................................................................................................................................................A- 6
CONTENTS....................................................................................................................................................A- 9
ABOUT MANUALS ........................................................................................................................................A-15
COMPLIANCE WITH THE EMC AND LOW VOLTAGE DIRECTIVES.......................................................A-15
THE MANUAL'S USE AND STRUCTURE ...................................................................................................A-16
ABOUT THE GENERIC TERMS AND ABBREVIATIONS...........................................................................A-19
DEFINITIONS AND DESCRIPTIONS OF TERMINOLOGY........................................................................A-22
PRODUCT CONFIGURATION .....................................................................................................................A-24
1 OVERVIEW 1- 1 to 1-13
1.1 Overview of the Serial Communication Module..................................................................................... 1- 1
1.2 Features of the Serial Communication Module...................................................................................... 1- 2
1.3 About Added/Changed Functions in Function Version B ...................................................................... 1-12
2 SYSTEM CONFIGURATION AND AVAILABLE FUNCTIONS 2- 1 to 2-22
2.1 Applicable Systems................................................................................................................................. 2- 1
2.2 Combinations of Programmable Controller CPU and External Device, and Available Functions ....... 2- 5
2.3 For Use in Multiple CPU System............................................................................................................ 2- 9
2.4 Use with Basic Model QCPU.................................................................................................................. 2-10
2.5 Use with Redundant CPUs..................................................................................................................... 2-11
2.6 Use on MELSECNET/H Remote I/O Stations ....................................................................................... 2-13
2.7 Use with C Controller Module................................................................................................................. 2-17
2.8 Checking the Function Version, Serial No., and Software Version....................................................... 2-18
3 SPECIFICATIONS 3- 1 to 3-42
3.1 Performance Specifications.................................................................................................................... 3- 1
3.2 RS-232 Interface Specification ............................................................................................................... 3- 3
3.2.1 RS-232 connector specifications ..................................................................................................... 3- 3
3.2.2 RS-232 cable specification .............................................................................................................. 3- 6
3.3 RS-422/485 Interface Specifications ...................................................................................................... 3- 7
3.3.1 RS-422/485 terminal block specifications ....................................................................................... 3- 7
3.3.2 RS-422/485 cable specifications ..................................................................................................... 3- 8
3.3.3 Precautions when transferring data using RS-422/485 circuit ....................................................... 3- 9
3.3.4 Echo back enable/disable setting for RS-422/485 interface........................................................... 3-12
3.4 Serial Communication Module Function List.......................................................................................... 3-14
3.5 Dedicated Instruction List ....................................................................................................................... 3-16
3.6 Utility Package (GX Configurator-SC) Function List.............................................................................. 3-17
3.7 List of GX Developer Setting Items for Serial Communication Modules............................................... 3-19
3.8 List of Input/Output Signals for the Programmable Controller CPU...................................................... 3-20
3.9 List of Applications and Assignments of the Buffer Memory ................................................................. 3-23
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