IoD1 digital input processor - technical guide

The IoD1 is a digital input processor that can accommodate a total of 32 digital inputs. Any combination of status and/or accumulators inputs can be used. Through the use of CallistoView, digital inputs can be defined as Status, SOE (Sequence of Events), Form A and/or Form C Accumulators. Form C Accumulators utilize 2 contacts per accumulator (maximum 16 Form C Accumulators).

The attached .pdf document provides technical information on the IoD1: