OMRON
CJ1W-SCU22 *2 CJ1W-SCU32 *2 CJ1W-SCU42 *2 CJ1W-SCU21-V1 *8 *9 CJ1W-SCU31-V1 *8 *9 CJ1W-SCU41-V1 *8 *9
Communications Units
Specification:
Unit
type | Product
name | Specifications | No. of
unit
numbers
allocated | Current
consump-
tion (A) | Model | Stand-
ards |
Commu-
nications
Interface | Communications
functions | 5V | 24V |
CJ1
CPU
Bus
Units | Serial
Communi-
cations Units
(High-speed
type)
 | 2 RS-232C
ports | The following functions
can be selected for each
port with an CJ-system:
Protocol macro
Host Link
NT Links (1:N mode)
Serial Gateway
No-protocol *3
Modbus-RTU Slave
The following functions
can be selected for each
port with an NJ-system:
Protocol macro
Serial Gateway
No-protocol
Modbus-RTU Slave | 1 | 0.28
*1 | - | CJ1W-SCU22 *2 | UC1, N,
L, CE |
2 RS-422A/
485 ports | 0.4 | - | CJ1W-SCU32 *2 |
1 RS-232C
port and
1 RS-422A/
485 port | 0.36
*1 | - | CJ1W-SCU42 *2 |
CJ1
CPU
Bus
Units | Serial
Communi-
cations Units
 | 2 RS-232C
ports | The following functions
can be selected for each
port:
Protocol macro *4
Host Link
NT Links (1:N mode)
Serial Gateway *5
No-protocol *6
Modbus-RTU Slave *7 | 1 | 0.28
*1 | - | CJ1W-SCU21-V1
*8 *9 | UC1, N,
L, CE |
