Spectrex 40/40M Multi IR Flame Detector - Manual (Page 65)

TM 40/40M, Rev (6) July 2013
Typical Wiring Configurations 53
Figure 11: 0-20mA Wiring Option 1 (Sink 4-Wire) - Default
Figure 12: 0-20mA Wiring Option 1 (Converted to Source 3-Wire)