Omron CS1W-SCB41-V1 Serial Communications Board

The Omron CS1W-SCB41-V1 Serial Communications Board is a slot-mounted PLC expansion module for Omron CS-series controllers, providing native serial connectivity that lets the CPU exchange data with external devices such as HMIs, PCs, and other controllers. It adds 1 RS-232C and 1 RS-422/485 port and supports Host Link, NT Link, Modbus, and user-defined protocols, enabling flexible device communication in industrial automation. Key features include protocol macro support and memory card backup capability, with hot swap support for easier maintenance. Mounting is as a CPU option board in the CS-series hardware, and it is compatible with CS-series PLC systems for industrial communication and data exchange across manufacturing lines, process control, and machine automation. It is routinely used for retrofit and expansion in CS-series automation setups, enabling upgraded or additional serial connectivity without CPU replacement. Common replacements include the CS1W-SCU41-V1, CJ1W-SCU41-V1, and CP1W-CIF41.