RKI Instruments M2 Series - Manual (Page 25)

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
+
PW
R
/S
IG
FA
IL
C
NC
N
O
-
S
+
PW
R
/S
IG
AL
AR
M
2
RS
4
8 5
A
B
C
A
B
C
RS
4
8
5
+
-
+
-
C
NC
N
O
T
O
X
IC
O
X
Y
+
-
+
-
AL
AR
M
1
C
NC
N
O
White
Green
T
O
X
IC
O
X
Y
C NC NO
C NC NO
C NC NO
ALARM 2
ALARM 1
F AIL
A B C
RS 485
PWR/SIG
S
T O
XIC O
X Y
Black
Red
A B C
RS 485
PWR/SIG
T O
XIC O
X
Y
S
-
S
+
PW
R/
S
IG
+
-
+
-
FA
IL
AL
AR
M
1
C
NC
NO
C
NC
NO
Black
TO
X
IC
O
X
Y
TO
X
IC
O
X
Y
+
-
+
-
PW
R
/S
IG
-
S
+
AL
AR
M
2
Red
RS 4
8
5
A
B
C
RS 4
8 5
A
B
C
C
NC
NO