Warning Sign Driver Board (Brd42Wsd) - Halma Ampac EV3000 Installation & Commissioning

Emergency warning & intercommunications system
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10.6 Warning Sign Driver Board (BRD42WSD)

The warning sign driver board (BRD42WSD) can be used to extend the total wiring length of the visual
output cable run. The following table can be used as a reference when used with VAD strobes.
The Warning Sign Driver Board can only be connected to the Universal Visual Output Board
(BRDEV3VOB5-A) and should not be used with the older termination boards.
No.
of
1.0mm
Devices
Wiring
10
887m
20
444m
30
296m
40
222m
IN FROM
OUTPUT OF
BRDEV3VOB5-A
27V POWER IN
FROM ECP
2
2
Field
1.5mm
Field
Wiring
1240m
620m
413m
310m
Figure 20 Warning Sign Driver Board (BRD42WSD)
2
2.5mm
Field
4.0
Wiring
Field Wiring
2248m
1124m
749m
562m
MAN1813-9
2
2
mm
6.0mm
Field
Wiring
OUT TO
STROBES
34

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