Current Output (0-20Ma) Wiring; Figure 15 - Source 4-Wire Scheme; Figure 16 - Sink 4-Wire Scheme - GasTech F-Guard-IR3-H2 User Manual

Current Output (0-20mA) Wiring

The detector's 0-20mA current output can act as both a source or a sink transmitter and can be
3-wire or 4-wire connected.
The following drawing shows how to wire the detector to act as a current source isolated
transmitter (4-wire connection):
The following drawing shows how to wire the detector to act as a current sink isolated
transmitter (4-wire connection):
Detector
For more information & technical support:
F-Guard IR3-H2 User Manual
1
2
Detector
3
4
F 15 – S
IGURE OURCE
1
2
3
4
F 16 – S
IGURE INK
info@gastech.com
Power
24VDC
Return
Controller
24VDC
Return
4-W S
IRE CHEME
Power
24VDC
Return
Controller
24VDC
Return
4-W S
IRE CHEME
76-M-6010-02-02
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