Spectrex 40/40R - Single IR Flame Detector - Manual (Page 63)

TM 40/40R, Rev (4) November 2010
Typical Wiring Configurations 51
Figure 9: 0-20mA Wiring Option 1 (Sink 4-Wire) - Default
Figure 10: 0-20mA Wiring Option 1 (Converted to Source 3-Wire)