M - 6
Appendix M
Trigger (ALL)
Trigger (ALL)
Run
Run
Enable
Enable
Cancel
Cancel
Start Timer
Start Timer
True
Any Alarm
Reset Inhibit
RESET_INH
30 Sec
SS_INH
Two Stage
Audible Silence
Panel Reset
True
Any Alarm
False
OR
(ANY)
List of
Keyswitch
Inputs
Keyswch
AND
(ALL)
Any_keyswch
Any alarm
Typical RESET INHIBIT Timer Function
Typical Signal Silence Inhibit Function
Typical ANY KEYSWITCH Function
In either stage, the audible silence
flag/key controls the silencing and
unsilencing of the coded audibles.
The Panel Reset flag is used to
assure timers and latches are
reset for the next event after
reset.
Complex Two Stage System
This figure (see page M-8) demon-
strates a more complex Two Stage
system. The basic principles of opera-
tion are the same as the basic Two
Stage system with a slight variation.
In this example, several Two Stage
control functions are used in the
system design. Together with the
proper glue logic, a modified Two
Stage system is the result. In this
system, the floors above and below
the alarm signal Stage 1 coded audibles
while the floor of alarm codes Stage 2
audibles.
Using Reset Inhibit with Timer
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