Vigilant MX1-Au Operator Manual Document: LT0439
Page 23 October 2018 Issue 1.73
Ancillary relays ANC1 and ANC2 can each be used to control a single
load such as a strobe, relay solenoid, or actuator, and supervise the
wiring for short and open circuit faults, using the wiring shown in
Figure 11-14. Note, many strobes have a high in-rush current on power
on, and this must be limited, e.g., by installing a series resistor. Figure
11-14(b) shows a 5E6 (included in the MX1 bag of parts) that is suitable
for the 40020 Fire strobe. This must be installed at the strobe when
ANC1 or 2 is used to control it (or other strobes).
The load can be wired directly if its resistance is 400 to 18k. Loads of
less than 400 require a series diode for correct supervision. A suitable
3A diode is 1N5404. The minimum allowable load resistance is 25.
Figure 11-14 – Wiring for Switched Load with Supervision
Other MX1 Input and Output Wiring
Ancillary
Relay Load
Supervision
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