15465 Rev F 5/2/97 P/N 15465:F
29
+13.8V
Relays
Communication
Fail
Supervisory
General
Trouble
General
Alarm
TB3
3
4
5
6
7
The control panel's open collector outputs on Terminal TB3 can be used
to activate UL-864 listed remote relays. Outputs are rated for 40 mA.
The normal condition for each output is as shown below:
TB3-4 Alarm
Off (de-energized)
TB3-5 Trouble
On (energized)
TB3-6 Supervisory
Off (de-energized)
TB3-7 Communications Failure
Off (de-energized)
UL Recognized Enclosure
Note: Wiring from TB3 to Relays is power-limited but not supervised.
Figure 3.3-2: Driving Relays from Open Collector Outputs
Relays must be placed in a UL-864 recognized enclosure. Wiring from
the control panel's terminals on TB3 to the relays must be less than 3
feet in length enclosed in conduit. Wiring from the relay outputs must
remain in the same room as the location of the enclosure and be enclosed
in conduit.
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