Page top

Industrial Automation

Contact

Industrial Automation

CJ1W-SCU

CJ-series Serial Communications Units

CJ1W-SCU

The Serial Communications Units That Enable High-speed Connections with External Devices. This unit is available for CJ/NJ controller.

Related Contents

last update: April 3, 2023

International Standards

  • The standards are abbreviated as follows: U: UL, U1: UL(Class I Division 2 Products for Hazardous Locations), C: CSA, UC: cULus, UC1: cULus (Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
  • Contact your OMRON representative for further details and applicable conditions for these standards.

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)
1651_lu_1_1		 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
1651_lu_1_2		 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
2 RS-422A/
485 ports		 0.38 - CJ1W-SCU31-V1
*8 *9
1 RS-232C
port and
1 RS-422A/
485 port		 0.38
*1		 - CJ1W-SCU41-V1
*8 *9

*1. When an NT-AL001 RS-232C/RS-422A Conversion Unit is used, this value increases by 0.15 A/Unit.
*2. Sinple Backup Function and Interrupt notification function cannot be used with an NJ-system.
*3. A Serial Communications Unit with unit version 2.1 or later, a CPU Unit with unit version 1.03 orlater, and Sysmac
       Studio version 1.04 or higher are required to use the SerialRcvNoClear instruction.
*4. You can activate Protocol macro trace function when the CPU Unit is set to the RUN/MONITOR mode. (MONITOR
       mode is not available with the NJ-series CPU Units.)
*5. The Serial Gateway function is enabled only for Serial Communications Units of unit version 1.2 and later.
*6. The no-protocol function is enabled only for Serial Communications Units of unit version 1.2 and later (and a CS1/CJ1
       CPU Unit of unit version 3.0 or a CJ2 CPU Unit is also required).
*7. The Modbus-RTU Slave function is enabled only for Serial Communications Units of unit version 1.3 and later.
*8. This unit cannot be used, with the Machine Automation Controller NJ-series.
*9. Product no longer available to order.

Accessories

Model Accessories Specifications
CJ1W-SCU32 2 Serial Port (RS-422A/485)
Connector		 Terminal Block Connector (FMC1.5/5-STF-3.5AU by Phoenix Contact)
CJ1W-SCU42 1 Serial Port (RS-422A/485)
Connector		 Terminal Block Connector (FMC1.5/5-STF-3.5AU by Phoenix Contact)

Note: A serial port connector is not provided. Purchase a connector separately for serial port connection.
         Plug : XM3A-0921 (manufactured by OMRON) or equivalent
         Hood : XM2S-0911-E (manufactured by OMRON) or equivalent

last update: April 3, 2023

Product Category

Products

About Us

Solutions

Privacy

Services

Resources

Omron Automation is an industrial automation partner that creates, sells and services fully integrated automation solutions that include sensing, control, safety, vision, motion, robotics and more.

Follow Us

Youtube Facebook Linkedin
© Copyright OMRON Corporation 2000-2020. All Rights Reserved.