Function
3
3.1 CONTROLLING THE SMOKE
Inputs
There are 6 sets of input control connections on the Smoke Screen that control activation - Alarm Set (Z1), Trigger
(Z2), Top-Up (Z3), Hold Off (Z4), Panic (Z5) and Isolate (Z6). These input pins should be connected to the PCB Ground
through clean contacts and can be programmed to “Normally closed”, “Normally open”, a variety of EOL resistance
settings or “NOT USED”.
Starting an activation
The Smoke Screen will produce ‘smoke’ in the following 3 circumstances:
1.
The three connections normally used in an installation, i.e. Alarm Set (Z1), Trigger (Z2), and Hold Off (Z4) (if
selected to on) must all be in alarm.
2. The Panic (Z5) connection must change state from restore to an alarm condition. This input is an edge input
and will not trigger a generator if it is already in its alarm condition when the generator reaches a “ready”
state.
3. The Alarm Set (Z1) and a tamper are in alarm.
Stopping an activation
Once activated the Smoke Screen will stop producing ‘smoke’ before the end of the programmed smoke time only if
the Alarm Set (Z1) is selected to a non-alarm state; in the event of a panic activation it is necessary to cycle the Alarm
Set (Z1) to “on” then “off”. If ‘Hold-Off’ is closed during an activation the Smoke Screen will continue to produce
smoke for the set Smoke Time.
Re-triggering smoke
If, after it has made smoke for the set time and reached the end of it’s programmed “Smoke on” time, the Smoke
Screen receives another hold-off alarm while both ‘Set’ and ‘Trigger’ inputs remain open, it will ‘re-trigger’ and make
smoke again. The re-trigger smoke time and the number of repeats are set in the Installer menu.
Preventing an activation
To prevent the Smoke Screen from making smoke under any circumstances:
●
Select Isolate to “On” in the Installer menu
or
●
Select the programmable input Z6 to “Isolate”
12
Содержание TITANIUM Ti100
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