Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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Comparison to Previous Products Section 1-7
1-7 Comparison to Previous Products
The following tables show a comparison between the CS/CJ-series Serial
Communications Boards and Unit and the C200HX/HG/HE Communications
Boards and Host Link Units.
Item C200HX/HG/HE CS CJ
Model Boards C200HW-
COM02/COM03/COM04-
E/COM05-E/COM06-E
Communications Boards CS1W-SCB21-V1/SCB41-
V1
Serial Communications
Board None
Units C200H-LK101-PV1/LK201-
V1 Host Link Unit CS1W-SCU21-V1/SCU31-
V1
Serial Communications Unit CJ1W-SCU21-V1
CJ1W-SCU31-V1
CJ1W-SCU41-V1
Serial Communications Unit
Communica-
tions ports Boards 2 RS-232C ports
or
1 RS-232C and 1
RS422A/485 port
or
1 CPU bus I/F and 1 RS-
232C port
or
1 RS-232C port
or
1 RS-422A/485 port
2 RS-232C ports
or
1 RS-232C and 1
RS422A/485 port
NA
Units 1 RS-232C port
or
1 RS-422A port
or
1 optical fiber port
2 RS-232C ports
or
2 RS-422A/485 ports
2 RS-232C ports,
1 RS-232C and 1
RS422A/485 port,
or 2 RS-422A/485 ports
Number mount-
able per PLC Boards 1 Board 1 Board NA
Units 2 Units (CPU Rack or
Expansion I/O Rack, but not
two slots next to CPU Unit)
Up to 4 ports maximum, 6
ports including those on
CPU Unit.
16 Units (CPU Rack or CS
Expansion Rack, but total of
all CPU Bus Units must be
16 or less)
Up to 32 ports maximum, 34
ports including those on CPU
Unit.
16 Units (CPU Rack or CJ
Expansion Rack, but total of
all CPU Bus Units must be
16 or less)
Up to 32 ports maximum, 34
ports including those on CPU
Unit.