Table 27: wiring connections – Spectrex 40/40M Multi IR Flame Detector User Manual
Page 64
Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide
52
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)