CJ1W-SCU31-V1 Serial Communications Units omron PLC CJ/NJ controller
The CJ1W-SCU31-V1 Serial Communications Unit for Omron PLCs in the CJ/NJ series controllers. It provides serial communication capabilities, allowing the PLC to interface with other devices such as PCs, HMI and other controllers.
Key Features:
- Multiple Serial Ports:
- The SCU31-V1 has 2 serial ports that support RS-232C and RS-485/422 communication.
- It enables the PLC to communicate with various serial devices simultaneously.
- Protocol Support:
- Supports Modbus-RTU (Master/Slave) protocol.
- Allows the creation of custom communication protocols using Omron’s CX-Protocol software.
- High-Speed Communication:
- Baud rates up to 115.2 kbps for fast data exchange.
- Flexible Configuration:
- Configurable communication settings (baud rate, parity, data bits, and stop bits) per port.
- The ability to switch between RS-232C and RS-485/422 modes depending on the requirements.
- Expansion:
- Compatible with Omron’s CJ1/CJ2 series backplanes.
- Can be used with NJ controllers when connected via the appropriate coupler.
Setup Summery Tips:
- Install the SCU31-V1 module securely onto the CJ/NJ PLC rack.
- Set communication parameters through the PLC configuration software.
- If using Modbus-RTU, ensure proper addressing and device configuration.
- For RS-485/422 communication, properly terminate the bus line and configure the switches/settings for multi-drop communication.
