Firealarmcheck - Andover Controls Infinity Manual

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FireAlarmCheck

Type: Function
Description: Determines whether or not, and in which zones, to
perform smoke control. Sets the FSCS Alarm LEDs based on the
inputs from the Fire Panel.
Code:
' Set .ALM Numerics in order to Update the FSCS LEDs
Zone1.ALM, Zone2.ALM, Zone3.ALM, Zone4.ALM and ~
STRWL.ALM = Off
If Zone1.EST then Zone1.ALM = On
If Zone2.EST then Zone2.ALM = On
If Zone3.EST then Zone3.ALM = On
If Zone4.EST then Zone4.ALM = On
If STRWL.EST then STRWL.ALM = On
' Set SMOKE.ALM and Stop SmokeSelfTest if any Zones are in
' Alarm
SMOKE.ALM = Zone1.ALM + Zone2.ALM + Zone3.ALM + ~
Zone4.ALM + STRWL.ALM
If SMOKE.ALM then Stop SmokeSelfTest
' Clear Smoke Control When the Alarm is Off
If Zone1.ALM = Off then Zone1.SMK = Off
If Zone2.ALM = Off then Zone2.SMK = Off
If Zone3.ALM = Off then Zone3.SMK = Off
If Zone4.ALM = Off then Zone4.SMK = Off
If STRWL.ALM = Off then STRWL.SMK = Off
' Return if the System has already responded to the First Smoke
' Alarm
FIRST.SMK = Zone1.SMK + Zone2.SMK + Zone3.SMK + ~
Zone4.SMK + STRWL.SMK
If FIRST.SMK then Return
' Initiate Only One Smoke Control Strategy
If Zone1.ALM then
Zone1.SMK = On
Else
If Zone2.ALM then
Zone2.SMK = On
Else
If Zone3.ALM then
Zone3.SMK = On
Else
5-31
Smoke Control Programs
Infinity Smoke Control Guide
TOC