Reliance 45C1A is a two-channel digital I/O rail module for industrial automation, delivering DC logic I/O points on a backplane. The module is described by Reliance as a VDC Logic I/O Module, and listings for "2 DIGITAL COMBINATION" confirm two digital I/O channels in this model. Historically, the 45C1A designation appears on Reliance Electric Automate digital I/O rail listings, reflecting its lineage within older automation systems. These listings show the 45C1A as a compact, plug-in I/O rail component used to read digital inputs and drive digital outputs in control cabinets.
