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CJ1W-SCU21-V1 Omron CJ1 Series PLC Serial Communications Module
CJ1W-SCU
Features
Mount a total of up to 16 CPU Bus Units, including these Serial Communications Units, to the CPU Rack or Expansion Racks to create systems with up to 32 serial communications ports.
Connect an NT-AL001 RS-232C/RS-442A Link Adapter to the RS-232C port to enable 1:N communications.
With the CJ1W-SCU[]2, you can use a faster baud rate (up to 230.4 kbps) and faster data transfer to the CPU Unit to enable connecting to high-speed external devices.
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)
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
UC1, N, L, CE
2 RS-422A/ 485 ports
0.38
-
CJ1W-SCU31-V1 *8
1 RS-232C port and 1 RS-422A/ 485 port
0.38 *1
-
CJ1W-SCU41-V1 *8
*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.
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)
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Changsha Zhinian Automation Equipment Co., Ltd has been a reliable retailer specializing in famousbrand industrial automation products for more than a decade. With its headquarter located in Changsha, the capital city of Hunan province, we set up branches and warehouse in Dongguan...
