FlameSpec
IR3-H2-HD
User Manual
F140V0020.03
For more information & Technical support: (+1) 714-671-8500 · [email protected]
15
4.2
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):
F
IGURE
4
–
S
OURCE
4-W
IRE
S
CHEME
The following drawing shows how to wire the detector to act as a current sink isolated transmitter
(4-wire connection):
F
IGURE
5
–
S
INK
4-W
IRE
S
CHEME
Detector
1
2
3
4
24VDC
Return
Return
24VDC
Detector
1
2
3
4
Power
24VDC
Return
Return
24VDC
Controller
Controller
Power
