Appendix D: Applications
246 Vigilant VS1 and VS2 Technical Reference Manual
Local alarm signaling applications
What is local alarm signaling?
In local alarm signaling applications, an audible detector base (sounder base)
automatically sounds an alarm signal when its detector is activated. All other sounder
bases on the same riser remain silent until their detectors are activated.
The sounder base continues to sound an alarm signal until smoke is cleared from its
detector and the control panel is reset.
Typical wiring for a local alarm signaling application
Typically, the riser that supplies power to the sounder bases is supervised using an
RM1 module. You can also use a CT1 module and a PAM-1 relay.
Figure 56: Typical wiring for a local alarm signaling application
12345678
RM1
SIG+
SIG-
DATA- OUT
DATA- IN
DATA+ IN/OUT
SIG+
SIG-
DATA- OUT
DATA- IN
DATA+ IN/OUT
N.C.
JP1: 24 VDC Monitor
24 VDC+
24 VDC-
UX RISE
DATA+
DATA-
SLC
DATA+
DATA-
SLC
FIRST
DETECTOR
LAST
DETECTOR
RED
WHT
7
8
12
3
4
6
CT1
SLC
DATA+
DATA-
DATA+
DATA-
24 VDC+
24 VDC-
SLC
PAM-1
47 k
EOLR
AUX RISER
LTERNATE RISER SUPERVISION CIRCUIT
Double screw
terminal block
(supplied by installer)
BLU
ORG
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