PART 3: CX-Server Runtime
OMRON APPENDIX B – PLC Memory Areas
Revision 2.0 CX-Server Runtime_Page 73
CQM1H Device Group
Memory Areas
Memory Areas for all CPUs.
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
AR 0 27 Yes Yes Yes F C
HR 0 99 Yes Yes Yes F C
IR (opt) 0 243 Yes Yes Yes F C
LR 0 63 Yes Yes Yes F C
SR (opt) 244 252 Yes Yes Yes F C
SR (opt) 253 255 (bit 7) Yes Yes No
TR 0 0 (bit 7) No Yes No
TC 0 511 Present Value Status Yes F C
CPU 11/21 Memory Areas
Memory Areas in addition to general memory areas.
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
DM 0 3071 Yes No Yes
DM 6144 6655 Yes No Yes
Special addresses: CLOCK, MODE.
CPU 51 Memory Areas
Memory Areas in addition to general memory areas.
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
DM 0 6655 Yes No Yes
Special addresses: CLOCK, MODE.
CPU 61 Memory Areas
Memory Areas in addition to general memory areas.
Prefix
Start
Channel
End Channel
Word
Addressing
Bit
Addressing
Read
Write
Modifiers
DM 0 6655 Yes No Yes
EM 0 6143 * 1 Yes No Yes
Special addresses: CLOCK, MODE.