IoC1 digital controls processor - technical guide
The IoC1 is the control output processor. Each IoC1 is capable of driving up to 16 control pair relays (Close/Trip). Momentary and Latching (IoCT3, IoCT5) relays can be used.
The attached .pdf document provides technical information on the IoC1:
- general description
- jumper links
- major components
- drawings and photos