Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide
70
Typical Wiring Configurations
Table 27: Wiring Connections
Wiring
Option
Detector
Model
Terminals
5
8
9
1
40/40M-
1XXXX
Fault Relay
(N.C.)
0
–
20mA
(Sink)
0
–
20mA
(Sink)
2
40/40M-
2XXXX
Fault Relay
(N.C.)
Alarm Relay
(N.C.)
0
–
20mA
(Source)
3
40/40M-
3XXXX
Fault Relay
(N.O.)
Alarm Relay
(N.C.)
0
–
20mA
(Source)
4
40/40M-
4XXXX
Fault Relay
(N.C.)
Auxiliary
Relay (N.O.)
Auxiliary
Relay N.O.
5
40/40M-
5XXXX
Fault Relay
(N.O.)
Auxiliary
Relay (N.O.)
Auxiliary
Relay N.O.
Figure 10: Typical Wiring for 4 Wire Controllers (Using Option 1 or 2
Wiring)