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
Product Configuration ....................................................................................................................................A-13
1.2 Features of QD51 (-R24) ........................................................................................................................ 1- 4
2.1 Application Systems................................................................................................................................ 2- 1
2.2 Combining the Opposite Party's Device and the Programmable controller CPU................................. 2- 4
3.1 Performance Specifications .................................................................................................................... 3- 1
3.5.1 Program area.................................................................................................................................... 3-18
3.5.2 Buffer memory.................................................................................................................................. 3-20
3.5.3 Common memory............................................................................................................................. 3-23
A - 6
INTRODUCTION
CONTENTS
1- 1 to 1- 9
2- 1 to 2-11
3- 1 to 3-66
A - 6