Figure 10, figure 11 – Spectrex 40/40I Triple IR (IR3) Flame Detector User Manual

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TM 40/40I, Rev (6) July 2013

Typical Wiring Configurations

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Figure 10: 0-20mA Wiring Option 1 (Sink 4-Wire) - Default

Figure 11: 0-20mA Wiring Option 1 (Converted to Source 3-Wire)