Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 410

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PLC Comparison Charts Appendix A
Number of Units/
Racks
I/O Units 40 Units 89 Units
(Including
Slave Racks)
10 or 16 Units 64 Units
(8 Racks × 8
Units)
16 Units
CPU Bus Units 16 Units 16 Units None 16 Units None
Expansion I/O
Racks
3 Racks 7 Racks 3 Racks 7 Racks 1 Rack
Task function Yes No No No
CPU processing
mode (program
execution and
peripheral ser-
vicing)
Normal Mode Yes --- --- ---
Peripheral Servicing
Priority Mode
Yes --- --- ---
Parallel Processing
with Synchronous
Memory Access
Ye s Ye s N o Ye s N o N o N o
Parallel Processing
with Asynchronous
Memory Access
Ye s Ye s N o Ye s N o N o N o
I/O refresh for-
mat
Cyclic refreshing Yes Yes Yes Yes
Scheduled refresh-
ing
No No Yes No
Zero-cross refresh-
ing
No No Yes No
Immediate refresh-
ing
Ye s N o Ye s N o
Immediate refresh-
ing using IORF
instruction
Ye s Ye s Ye s Ye s
Immediate refresh-
ing using FIORF
instruction
YesNo NoNoNo
Clock function Yes Yes Yes Yes (Memory
Cassette
required)
RUN output Yes (Depending on Power Supply Unit) Yes (Depend-
ing on Power
Supply Unit)
Ye s N o
Startup Mode (for default PLC Setup
setting when no Programming Console
is connected)
RUN mode RUN mode RUN mode PROGRAM
mode
Disabling Power Interrupt Processing No No Yes No
Battery-free operation Enabled using Memory Card or flash memory. Memory Card Memory Card Memory Cas-
sette
Automatic backup to flash memory
(user program and parameter area)
Yes NoNoNo
Restart continuation No No Yes No
Item CJ1-H/CJ1M Series CS1-H Series C200HX/HG/
HE
CVM1/CV
Series
CQM1H
CJ1-H-R CJ1-H CJ1-M