CS1WBI053 BACKPLANE CS1 SERIES I/O EXPANSION 5-SLOTS Product Description The Omron CS1W-BI053 is a digital input unit designed for the CS1 series of Omron PLCs. This module provides 16 digital input channels, enabling the PLC to receive and process on/off signals from various field devices. It is well-suited for applications requiring robust and reliable digital signal input in industrial automation systems.