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Table 27: wiring connections – Spectrex 40/40M Multi IR Flame Detector User Manual

Page 64

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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)