Appendix B: Special Zone Outputs Time Control Zones
82
NFS-640 Programming Manual P/N 51333:B 10/03/2003
Time Control Zones
Note: All active Time Control outputs will turn off temporarily while resetting or programming the control panel.
All outputs with a CBE list containing F5 or F6 activate within the times specified for the days of the
week listed in F5 or F6. All smoke detectors with a CBE list containing F5 or F6 switch to their
occupied level (lowest sensitivity, AL:9) within the times specified for the days of the week listed in
ZF5 or ZF6.Refer to “Appendix C: AWACS™ Applications” on page 84 for details on setting detector
sensitivity.
Time Control is active for all days of the week listed in F5 or F6. Holidays listed in F7 are excluded
unless you list Holidays (H) in the day-of-week selection of F5 and F6. Enter the time in a 24-hour
format with the OFF time later than the ON time. After changing programming using Time Control,
always reset the control panel.
Coding Functions for NACS and Panel Circuits
Coding Functions are pulsed signals that you can select, using Special Zone F8, to energize NACs and
Panel Circuits when a fire alarm activates. NACs and Panel Circuits with a CBE list that includes F8.
Note: Do not include F8 in the CBE list of NACs and Panel Circuits used for releasing or zone coding applications.
Select Coding Functions on a global basis, through Special Zone F8. That is, all NACs and Panel
Circuits selected for Coding Functions, will sound the same code when activated. The table below
contains descriptions of each Coding Function selection:
Table 28 Coding Function Selections
Before selecting an output for Two-stage coding, note the following:
The control panel automatically sends an Alert Signal to any of the four NACs mapped to Z00 and F8,
but not mapped to the alarm signal. After five minutes without an acknowledge or silence, the Alert
Signal changes to Temporal pattern.
Two-stage Canada 3 and 5: Function the same as Two-stage except the second stage is achieved when
• The three or five minute timer expires without an acknowledge or silence.
OR
• The Drill Switch (or an input programmed with the type code
DRILL_SWITCH or EVACUATE_SW)
is activated.
If Acknowledge or Silence is pressed within the three or five minute timeout period, the NAC will
remain at first stage. Subsequent alarm(s) will restart the timer.
Coding Function
Selection
Signal
March Time (default) 120 PPM (pulses per minute)
Temporal 0.5s on, 0.5s off, 0.5s on, 0.5s off, 0.5s on, 1.5s off, repeats
California 10 sec. on, 5 sec. off, repeats
Two-stage Alert signal - 20 PPM; General Alarm Signal - Temporal
Two-Stage Canada 3 Alert Signal - 20 PPM; Drill Switch activated - Temporal (3 min. timeout)
Two-Stage Canada 5 Alert Signal - 20 PPM; Drill Switch activated - Temporal (5 min. timeout)
System Sensor Strobe Synchronizes System Sensor Horn/Strobes (Applies to NAC on CPU-640 only)
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