Owner manual
19 M2A Transmitter Operator’s Manual
• Oxygen Detector, Partial Pressure, Capillary Type, and CSA Capillary Type
The wiring for all the oxygen detectors is the same. White wire to terminal labeled OXY
+, green wire to terminal labeled OXY -.
Figure 19: Partial Pressure Oxygen Detector Wiring
Figure 20: Capillary Oxygen Detector Wiring
Figure 21: CSA Capillary Type Oxygen Detector Wiring
White
Green
- S +
PWR/SIG
TOXIC OXY
+ - + -
RS 485
A B C
C NC NO
ALARM 1
C NC NO
ALARM 2
C NC NO
FAIL
White
Green
- S +
PWR/SIG
TOXIC OXY
+ - + -
RS 485
A B C
C NC NO
ALARM 1
C NC NO
ALARM 2
C NC NO
FAIL
White
Green
- S +
PWR/SIG
TOXIC OXY
+ - + -
RS 485
A B C
C NC NO
ALARM 1
C NC NO
ALARM 2
C NC NO
FAIL