User`s manual

A - 6 A - 6
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
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- 2
1.1 Features ..................................................................................................................................................1- 1
1.2 Functions Added to Function Version B and Later................................................................................ 1- 2
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 3-28
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- 9
3.1.4 Conversion speed ............................................................................................................................ 3- 9
3.2 D/A Converter Module Function ............................................................................................................. 3-10
3.2.1 Synchronous output function ........................................................................................................... 3-10
3.2.2 Analog output HOLD/CLEAR function.............................................................................................3-11
3.2.3 Analog output test during PLC CPU STOP..................................................................................... 3-12
3.3 I/O Signals for the PLC CPU .................................................................................................................. 3-13
3.3.1 List of I/O signals..............................................................................................................................3-13
3.3.2 Details of I/O signals ........................................................................................................................ 3-14
3.4 Buffer Memory.........................................................................................................................................3-18
3.4.1 Buffer memory assignment (Q62DA) .............................................................................................. 3-18
3.4.2 Buffer memory assignment (Q64DA) ..............................................................................................3-19
3.4.3 Buffer memory assignment (Q68DAV)............................................................................................3-20
3.4.4 Buffer memory assignment (Q68DAI) .............................................................................................3-22
3.4.5 D/A conversion enable/disable (buffer memory address 0: Un\G0)...............................................3-24
3.4.6 CH
digital values (buffer memory addresses 1 to 8: Un\G1 to Un\G8) ...................................... 3-24
3.4.7 CH
set value check codes (buffer memory addresses 11 to 18: Un\G11 to Un\G18)............... 3-25
3.4.8 Error codes (buffer memory address 19: Un\G19) ......................................................................... 3-25
3.4.9 Setting range (buffer memory address 20, 21: Un\G20, Un\G21).................................................. 3-26
3.4.10 Offset/gain setting mode and offset/gain specification
(buffer memory addresses 22, 23: Un\G22, Un\G23) ................................................................... 3-26