G) Strobe Control Options Stctrl & Scwps; Fig. 21 Strobe Control Board - Whelen Engineering Company WPS-2900 Series Installation Manual

g) Strobe Control Options STCTRL & SCWPS
The WPS-2900 may be equipped with an optional, highly visible external strobe light which
upon activation provides a visual indication during siren operation.
The STCTRL includes the strobe control board, cable, hardware for mounting the board to
the inside of the cabinet and the mating connector. This board comes complete with all the
necessary components to be able to control a strobe using power from inside the cabinet.
The SCWPS provides the same components, strobe control board, cable, mounting
hardware and mating connector, but additionally includes a mounting plate (including all
necessary hardware) to mount an ISB24 strobe to the top of the siren. The appropriate
length of strobe power cable (including connectors) to reach from the top of the siren to the
cabinet is also included. Please note that the ISB24 is NOT included and must be purchased
separately.
The strobe control board has two functions. The first is to switch 24VDC. The second is to
provide a contact closure with a 10A relay. These functions allow for the use of strobe(s) in
combination with the siren to activate and operate at the same time.
Fig. 21: Strobe Control Board
+24V Strobe
-24V Strobe
Dry Contact #1
Dry Contact #2
ESC2020
Connection
Strobe
User
Connection
Power
Input
Page 39
Relay