The
ZN002A is a Zone Control Module for the Zero Two Series Fire
and Gas Detection System. The ZN002A provides zoning and voting
functions for three separate and independent zones of gas and
/ or flame detection.
ZN002A
FEATURES AND BENEFITS
Multiple zones
Three independent
zones monitoring up to 24 gas and flame detectors can
be achieved with a ZN002A
Independent
voting
Each
zone has independent voting, 1 or 2 votes per zone
Microprocessor-
based electronics
Monitors fault conditions, sensor
inputs and provides outputs in the form of display codes,
analog signal, relay contact and open collector activations
Live insertion
/ removal
Module
can be removed or inserted into a chassis with power applied
without damage
Card test
Tests the input logic of every
channel into each zone and is initiated by operator
LED test
Tests
the integrity of each LED and each segment of the digital
display
Refineries