PART 3: CX-Server Runtime
OMRON APPENDIX B – PLC Memory Areas
Revision 2.0 CX-Server Runtime_Page 61
APPENDIX B
PLC Memory Areas
The following tables provide memory area details for each device group.
Some tables indicate special addresses. These can be as follows:
♦ CLOCK. This allows reading/writing of a PLC's real-time clock.
♦ BANKNO. This allows reading/writing of a PLC's extended memory bank number.
♦ MODE. This allows reading/writing of a PLC's run-mode.
C**H Device Group
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
AR 0 27 Yes Yes Yes F C
TC 0 511 Present Value Status Yes F C
DM 0 1999 Yes No Yes
HR 0 99 Yes Yes Yes F C
IR (opt) 0 252 Yes Yes Yes F C
IR (opt) 253 255 (bit 7) Yes Yes No
LR 0 63 Yes Yes Yes F C
SR (opt) 247 252 Yes Yes Yes F C
SR (opt) 253 255 (bit 7) Yes Yes No
TR 0 0 (bit 7) No Yes No
Special addresses CLOCK, MODE.
C**K Device Group
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
TC 0 47 Present Value Status Yes F C
DM 0 63 Yes No Yes
HR 0 9 Yes Yes Yes F C
IR (opt) 0 18 (bit 7) Yes Yes Yes F C
SR (opt) 18 (bit 8) 19 (bit 7) No Yes No
TR 0 0 (bit 7) No Yes No
C**P Device Group
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
TC 0 47 Present Value Status Yes F C
DM 0 63 Yes No Yes
HR 0 9 Yes Yes Yes F C
IR (opt) 0 18 (bit 7) Yes Yes Yes F C
SR (opt) 18 (bit 8) 19 (bit 7) No Yes No
TR 0 0 (bit 7) No Yes No
To Next Page
Loading...
Need help?
General