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NFS2-640/E Operations Manual —
P/N 52743:F1 06/16/2011
Operation of the Control Panel
Output Circuit Trouble Mode of Operation
4.
When the trouble condition is corrected, the panel will return to normal operation (indicated by
the “System Normal” message).
5.
The control panel sends a “System Normal” message to the LCD display, History buffer and
installed printers, FDU-80 annunciators, and CRT-2s.
3.12 Output Circuit Trouble Mode of Operation
3.12.1 Overview
Output circuits include NACs, Control/Relay Modules, and Transponder Points. This section
contains a description of control panel operation for each type of output circuit.
•
Four NACs are included on the control panel
•
Control/Relay Modules connected to the control panel on an SLC
•
Transponder Points: XPC-8 (CLIP only), or XP6-C (CLIP or FlashScan)
Trouble Type Codes for Control Modules and NAC Circuits
Type Code
Silenceable
(Y/N)
Configuration
Device Function
CONTROL
N
NAC
Supervised NAC
RELAY
N
FORM-C relay
Relay Output
BELL CIRCUIT
N
NAC
Supervised NAC for notification appliance
STROBE CKT
N
NAC
Supervised NAC for notification appliance
HORN CIRCUIT
N
NAC
Supervised NAC for notification appliance
AUDIBLE CKT
N
NAC
Supervised NAC for notification appliance
SPEAKER
N
NAC
Supervised NAC for speaker circuit
REL END BELL
N
NAC
Supervised NAC for notification appliance
blank
N
NAC
Supervised NAC for undefined device
RELEASE CKT
N
NAC
Directs outputs to perform a releasing function.
REL CKT ULC
N
NAC
Directs outputs to perform a release function as required by ULC.
REL AUDIBLE
N
NAC
NAC, activated upon release
NONRESET CTL*
N
NAC
Relay output, unaffected by “System Reset” command
TELEPHONE
N
NAC
Standard Telephone circuit
REL CODE BELL**
N
NAC
Supervised NAC (NFS2-640 NAC only)
INSTANT RELE
N
NAC
NAC, short = normal; supervised for open circuits and ground
faults. Always non-silenceable and switch-inhibited.
ALARMS PEND
N
NAC
Output that will activate upon receipt of an alarm condition, and
remain in the alarm state until all alarms have been
acknowledged.
CONTROL NAC**
N
NAC
Supervised NAC
GEN ALARM
Y
Control Module, an XPC-8 circuit, or an XP6-C configured as a
Municipal Box Transmitter for NFPA 72 Auxiliary Fire Alarm
Systems application. This Type ID can also be used for general
alarm activation.
GEN SUPERVIS
Y
Control Module, an XPR-8 relay, or an XP6-R activated under
any Supervisory condition (includes sprinkler type).
GEN TROUBLE
Y
Control Module, an XPR-8 relay, or an XP6-R activated under
any System Trouble condition.
GENERAL PEND
Y
Control Module, an XPC-8 circuit, or an XP6-C that will activate
upon receipt of an alarm and/or trouble condition, and remain in
the ON state until all events have been ACKNOWLEDGED.
TROUBLE PEND
N
Control Module, an XPC-8 circuit, or an XP6-C that will activate
upon receipt of a trouble condition, and remain in the ON state
until all troubles have been ACKNOWLEDGED.
* Type Code is Control Module type code only.
** Type Code is NAC Circuit type code only.
Table 3.7 Control Module and NAC Circuit Trouble Type Codes
