New, original open box, inspected and working. Siemens Simatic S5, IM 304, EU interface module/communications processor for distributed configuration (DC) up to 600M. For connecting expansion unit to a central controller, interfacing central controller with CC S5-115F. Model 6ES5304-3UA11, C79040-A0032-C682-04-87. Surplus industrial control system card from a closing plant in Quebec, Canada.

Internal inventory code: FPR