5 Default programming assignments
5.1 IDC, NAC, and relay default function types
For information on the default function types of IDCs, NACs and relays, see Table 2.
The function type of IDCs and NACs is a programmable attribute that you can manually change.
Table 2: Default function types of IDC, NAC, and relay
Circuit Default function type
IDC1-4 Fire
NAC1 QALERT
AUX1 (Relay 1) Common Trouble
AUX2 (Relay 2) Common Alarm, On Until Reset (RRELAY)
AUX3 (Relay 3) Common Supervisory
For an explanation of relay functions, see the follow points:
• RRELAY: Relay activates on general alarm; it remains on-until-reset.
• Common Trouble: Relay activates when a Trouble condition occurs; remains on-until-cleared.
• Common Supervisory: Relay activates when a Supervisory condition occurs; remains on-until-cleared.
5.2 NAC, relay, and signal circuit output mode assignments
See Table 3 for default, output, method (steady, temporal, for example) assignments for the NAC and Relay circuits.
The operating of NAC is a programmable attribute that you can manually change.
Table 3: Default operating modes of NAC, relay and signal circuit outputs
Circuit Operating mode
NAC1
Temporal Code: A three pulse coding pattern consisting of three 1/2 second pulses, each separated
by 1/2 second silence. Each group of three pulses is separated by 1.5 seconds of silence
Relay 1 to 3 Steady on
SIGNAL Modules Steady on
5.3 DACT defaults
Default NAC is enabled, the rest setting can be configured through the PC tool.
Table 4: Default CID event codes
Function type Fire Supervisory Trouble
FIRE 110 - 330
WSO 110 200 330
SUPV - 200 330
VSMOKE 111 - 330
Note: Any other trouble not specifically mentioned would have a code of 330. For example, a trouble on an output device reports an event
code of 330.
page 10 579-1403 Rev A
2004 Foundation Series Fire Alarm Control Unit Operation Guide
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