The Omron CJ1W-ID211 PLC Input Unit provides 16 DC input points for receiving ON/OFF signals from sensors, switches, and other field devices in machine automation systems. Operating with 24 VDC input signals, the module connects field-level detection devices with the Programmable Logic Controller, allowing input conditions to be processed as part of the machine control sequence. Its 16-point configuration suits systems that require compact digital input expansion within the control panel. The CJ1W-ID211 forms part of the CJ1W Series architecture and can be combined with other PLC I/O and control modules for scalable machine control. It supports the wider Omron automation range used across industrial control applications.