Schneider Electric CRM-211 Local I/O Module

Schneider Electric's Square D SY/MAX Class 8030 Local I/O Module, model 8030-CRM-211 (CRM211), is a 4096-register local I/O interface designed for use in SY/MAX Class 8030 control networks. It operates on 5 VDC with a supply of 1.6 A and is rated for 0–60 °C operation, making it suitable for industrial environments. The CRM-211 provides eight drops per channel and an update time of 91.3 ms, enabling fast local data exchange at the edge of the network, with its registers described as retentive. It is designed to be plugged into the 8030 I/O system between slots 92 and 94 using the optional Module Keying Kit, expanding local I/O while utilizing a 1000 mA local interface footprint. In Square D SY/MAX installations, the CRM-211 (CRM211) is one of the 8030 local I/O modules used to extend local control and monitoring capabilities with a dedicated 4096-address space. Typical applications include PLC-based automation, machine control, and remote I/O expansion in SY/MAX networks.