Chapter 1: Installation and wiring 
14  Vigilant VS1 and VS2 Technical Reference Manual 
Figure 20: Relay wiring terminals 
TB3
Common trouble
relay
Common supervisory
relay
Common alarm
relay
N
NC
NC
N
N
Auxiliary/Smoke
power output
 
 
•  All relays circuits are unsupervised. Must be connected only to a power-limited source. 
•  Alarm and trouble: Form C, 24 VDC at 1 A resistive 
•  Supervisory: Form A, 24 VDC at 1 A resistive 
•  Diagram is shown with the panel in a normal state. 
Remote annunciator wiring (TB4) 
The control panel provides a connection for up to eight remote annunciators. 
Circuit specifications 
•  Class B or Class A 
Note: The Vigilant VS1 panel requires the SA-CLA card to support Class A and 
redundant Class B circuits. Refer to installation sheet P/N 3101094. 
•  Circuit voltage: 2.55 V peak-to-peak average 
•  Circuit current: 30 mA max. 
•  Circuit impedance: Up to 8 annunciators or 4,000 feet 
(1,219 m) of 18 AWG wire 
•  Circuit resistance: 90 Ω 
•  Circuit capacitance: 0.3 µF 
•  Ground fault impedance: 0 to 5 kΩ