User`s manual

A - 5 A - 5
INTRODUCTION
Thank you for purchasing the MELSEC-Q series PLC.
Before using the equipment, please read this manual carefully to develop full familiarity with the functions
and performance of the Q series PLC 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
REVISIONS....................................................................................................................................................A- 4
INTRODUCTION............................................................................................................................................A- 5
CONTENTS....................................................................................................................................................A- 5
About Manuals ...............................................................................................................................................A- 8
Conformation to the EMC Directive and Low Voltage Instruction ................................................................A- 9
About the Generic Terms and Abbreviations ................................................................................................A- 9
Product Structure ...........................................................................................................................................A-10
1 OVERVIEW 1- 1 to 1- 3
1.1 Features ...................................................................................................................................................1- 1
2 SYSTEM CONFIGURATION 2- 1 to 2- 4
2.1 Applicable Systems..................................................................................................................................2- 1
2.2 How to Check the Function Version and Software Version.................................................................... 2- 3
3 SPECIFICATIONS 3- 1 to 3-29
3.1 Performance Specifications..................................................................................................................... 3- 1
3.1.1 Performance specifications list ......................................................................................................... 3- 1
3.1.2 I/O conversion characteristics...........................................................................................................3- 2
3.1.3 Accuracy............................................................................................................................................3- 6
3.2 Function List .............................................................................................................................................3- 7
3.2.1 Analog output HOLD/CLEAR function.............................................................................................. 3- 8
3.2.2 Analog output test during PLC CPU STOP...................................................................................... 3- 9
3.2.3 Output monitor function..................................................................................................................... 3-10
3.2.4 Warning output function ....................................................................................................................3-11
3.2.5 Rate control function ......................................................................................................................... 3-12
3.2.6 Disconnection detection function......................................................................................................3-13
3.3 I/O Signals for the PLC CPU ................................................................................................................... 3-14
3.3.1 List of I/O signals...............................................................................................................................3-14
3.3.2 Details of I/O signals .........................................................................................................................3-15
3.4 Buffer Memory.......................................................................................................................................... 3-20
3.4.1 Buffer memory assignment............................................................................................................... 3-20
3.4.2 D/A conversion enable/disable setting (buffer memory address 0: Un\G0).................................... 3-22
3.4.3 CH
digital values (buffer memory addresses 1, 2: Un\G1, Un\G2) .............................................3-22
3.4.4 CH
set value check codes (buffer memory addresses 11, 12: Un\G11, Un\G12)...................... 3-23
3.4.5 Error codes (buffer memory address 19: Un\G19) .......................................................................... 3-23
3.4.6 Setting range (buffer memory address 20: Un\G20)........................................................................ 3-24