Manual

M2 Transmitter Operator’s Manual 20
Figure 22: Capillary Type Replaceable Sensor Oxygen Detector Wiring
• CSA type CO or H
2
S gas detector.
Red wire to terminal labeled TOXIC +, black wire to terminal labeled TOXIC -.
Figure 23: H
2
S/CO Detector Wiring, CSA
• Non Explosion Proof CO or H
2
S gas detector
Red wire to terminal labeled TOXIC +, black wire to terminal labeled TOXIC -.
Figure 24: H
2
S/CO Detector Wiring
- S +
PWR/SIG FAIL
C NC NO
- S +
PWR/SIG
ALARM 2
RS 485
A B C
A B C
RS 485
+ - + -
C NC NO
TOXIC OXY
+ - + -
ALARM 1
C NC NO
White
Green
TOXIC OXY
C NC NO C NC NO C NC NO
ALARM 2 ALARM 1 FAIL
A B C
RS 485
PWR/SIG
S
TOXIC OXY
Black
Red
A B C
RS 485
PWR/SIG
TOXIC OXY
S
- S +
PWR/SIG
+ - + -
FAILALARM 1
C NC NO
C NC NO
Black
TOXIC OXY
TOXIC OXY
+ - + -
PWR/SIG
- S +
ALARM 2
Red
RS 485
A B C
RS 485
A B C
C NC NO