Table of Contents
Advertisement
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.
SAFETY PRECAUTIONS..............................................................................................................................A- 1
REVISIONS ....................................................................................................................................................A- 5
CONTENTS....................................................................................................................................................A- 6
About Manuals ...............................................................................................................................................A- 9
Conformation to the EMC Directive and Low Voltage Instruction ................................................................A- 9
How to read this manual, and Configuration .................................................................................................A-10
About The Generic Terms and Abbreviations...............................................................................................A-11
Meaning of Terms and Their Contents..........................................................................................................A-13
Product Configuration ....................................................................................................................................A-13
1.1 Operation Overview for QD51 (-R24)..................................................................................................... 1- 2
1.2 Features of QD51 (-R24) ........................................................................................................................ 1- 4
1.3 About the Function Added/Changed to the Function Version B ........................................................... 1- 9
2.1 Application Systems................................................................................................................................ 2- 1
2.2 Combining the Opposite Party's Device and the Programmable controller CPU................................. 2- 4
2.3 For Use in Multiple CPU System ............................................................................................................ 2- 6
2.4 For Use with Redundant CPUs .............................................................................................................. 2- 7
2.5 For Use at MELSECNET/H Remote I/O Station.................................................................................... 2- 8
2.6 How to confirm the function version ....................................................................................................... 2-10
3.1 Performance Specifications .................................................................................................................... 3- 1
3.2 RS-232 Interface Specifications ............................................................................................................. 3- 3
3.2.1 RS-232 connector specifications ..................................................................................................... 3- 3
3.2.2 RS-232 cable specifications............................................................................................................. 3- 4
3.3 RS-422/485 Interface Specifications ...................................................................................................... 3- 5
3.3.1 RS-422/485 terminal block specifications ....................................................................................... 3- 5
3.3.2 RS-422/485 cable specifications ..................................................................................................... 3- 6
3.3.3 Cautions during data communications with a RS-422/485 line...................................................... 3- 7
3.4 List of Commands and Functions in AD51H-BASIC.............................................................................. 3-10
3.5 QD51 (-R24) Internal Memory ................................................................................................................ 3-16
3.5.1 Program area.................................................................................................................................... 3-18
3.5.2 Buffer memory.................................................................................................................................. 3-20
3.5.3 Common memory............................................................................................................................. 3-23
3.5.4 Expansion register (ED0 to ED1023) .............................................................................................. 3-26
A - 6
INTRODUCTION
CONTENTS
1- 1 to 1- 9
2- 1 to 2-11
3- 1 to 3-66
A - 6
Advertisement
Table of Contents
