Schneider Electric’s Square D 8030-CRM-211R Local Interface is a two-channel module for the SY/MAX Class 8030 system, serving as the local interface between a rack and remote devices. It houses 4,096 registers in total, with 255 external drop-address registers and 3,841 internal data-storage registers, enabling substantial local data handling within the controller network. Front-facing, each channel terminates at five terminals labeled RX1, RX2, TX1, TX2, and SHLD, arranged on the lower portion of the front panel for straightforward wiring.
