نقد و بررسی تخصصی IS200VCRCH1BCC
The Contact Input/Relay Output Board (VCCC) with its associated daughterboard accepts 48 discrete inputs and controls 24 relay outputs. VCCC is a double width module and connects to twe sets of J3/J4 plugs via the VMEbackplane. The Contact Input Terminal Board (TBCI) accepts 24 dry contact inputs, and two boards are required to support 48 inputs. The Relay Output Terminal Board (TRLY) controls 12 relays and is described in the next section.