Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 419

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PLC Comparison Charts Appendix A
I/O Memory CIO Area Yes Yes Yes Yes
WR Area Yes No No No
Temporary Relay
Area
Ye s Ye s Ye s Ye s
Auxiliary Area Yes Yes Yes Yes
SR Area No Yes No Yes
Link Area Yes (Data Link Area) Yes No Yes
C200H Special I/O
Unit Area
Yes Yes (CIO
Area)
No No
Built-in I/O Area No No Yes (In
some
models)
No No No No
Serial PLC Link Area No No Yes No No No No
DM Area Yes Yes Yes Yes
Extended Data
Memory (EM) Area
Yes (Addresses including bank No. can be
designated) (Not supported by CJ1M CPU
Unit)
Ye s
(Addresses
can be desig-
nated for -Z,
but banks
cannot)
Yes (Address
including
bank cannot
be desig-
nated; bank
must be
changed. EM
Unit required.)
Ye s ( n o
banks)
Timer/Counter Area Yes Yes Yes Yes
Index Registers Yes No Yes No
Data Registers Yes No Yes No
Force-
set/
reset
areas
CIO Area Yes Yes Yes Yes
WR Area Yes No No No
Holding
Area
Ye s Ye s N o Ye s
Auxiliary
Area
No Yes No Yes
SR Area No No No No
Link Area No Yes No Yes
Timer/
Counters
Yes (Flag) Yes (Flag) Yes (Flag) Yes (Flag)
DM Area No No No No
EM Area No No No No
Instruction varia-
tions/
indirect
addresses
Upward differentia-
tion (executed once)
Yes (Specified by @) Yes (Specified
by @)
Yes (Specified
by ↑)
Yes (Specified
by @)
Downward differenti-
ation (executed
once)
Yes (Specified by %) No (DIFD
instruction
used instead)
Ye s
(Specified by
↓)
No (achieved
by using
DIFD)
Immediate refresh Yes (Specified by !) No (IORF
instruction
used instead)
Ye s
(Specified by
!)
No (achieved
by using
IORF)
Indirect
ad-
dress-
ing
for DM/
EM
BCD mode Yes (0000 to 9999)
Asterisk is used.
Yes (0 to 9999)
Binary
mode
Yes (00000 to 32767)
@ is used.
0000 to 7FFF Hex: 0000 to 31767
8000 to FFFF Hex: 00000 to 32767 in next
bank
No Yes, but only
for indirect
addressing
using PLC
memory
addresses.
No
Allocation meth-
ods
Setting first word on
a Rack
Yes (for all CPU Units) No No No
Setting first word for
a slot
Pre-Ver.2.0 CPU Units: See note.
CPU Units Ver. 2.0 or later: Yes
No No No
Item CJ1-H/CJ1M Series CS1-H Series C200HX/HG/
HE
CVM1/CV
Series
CQM1H
CJ1-H-R CJ1-H CJ1-M