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Conventions
3.0 Conventions
3.1 Circuits
Refers to a physical electrical interface for the analog loop, indicating signals or relays, and
common alarm, supervisory, and trouble relay outputs.
3.2 Zone/Group
Is a logical concept for a Fire Alarm Protected Area, and will consist of at least one Circuit.
Groups are used extensively in the FX-350 to facilitate annunciation of multiple input and
output points on the 32 (up to 64) LED display and to facilitate bypassing of inputs and
outputs.
3.3 Display Points
The FX-350 provides an LCD display to annunciate the status of the system and connected
devices. The FX-351 and FX-353 also provides up to 64 LED display points on the panel front
in addition to the LCD display. Display points may be assigned to LEDs during configuration to
groups of inputs or outputs. There are two LEDs for every display point: one single color
(amber) and one dual color (red/amber).
3.4 Wiring Styles
The analog loop can be connected in Class B (Style Y) or Class A (Style D) configurations.
Changing the indicating circuits to Class A requires an OCAC-304 adder board which will
convert four indicating zones from Class B (Style Y) circuits to Class A (Style Z). This is done
without reducing the number of circuits.
Note: The Model FX-350-60-R and FX-350-60DR panels DO NOT recognize any
devices with addresses higher than 60.
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