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
Conformation to the EMC Directive and Low Voltage Instruction ................................................................A- 8
About the Generic Terms and Abbreviations ................................................................................................A- 8
Product Structure ...........................................................................................................................................A- 9
1 OVERVIEW
1- 1 to 1- 2
1.1 Features .................................................................................................................................................. 1- 1
1.2 Functions Added by Function Version B ................................................................................................ 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 3-20
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 Conversion 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......................................................................................................................................... 3-17
3.4.1 Buffer memory assignment.............................................................................................................. 3-17
3.4.2 D/A conversion enable/disable (buffer memory address 0: Un\G0)............................................... 3-18
3.4.3 CH
digital values (buffer memory addresses 1 to 8: Un\G1 to Un\G8) ...................................... 3-18
3.4.4 CH
set value check codes (buffer memory addresses 11 to 18: Un\G11 to Un\G18)............... 3-19
3.4.5 Error codes (buffer memory address 19: Un\G19) ......................................................................... 3-19
3.4.6 Setting range (buffer memory address 20 and 21: Un\G20 and Un\G21) ..................................... 3-20
3.4.7 Offset/gain setting mode and offset/gain specification
(buffer memory addresses 22 and 23: Un\G22 and Un\G23) ........................................................ 3-20
3.4.8 Setting value specification (buffer memory address 24: Un\G24).................................................. 3-20
