9
#$%&(
- ) F:D '
Loop 2 -
Loop 2
+
System Power Loop 1 -
System Power Loop 1
+
AUX Power -
AUX Power
+
Relay 2 (N.O.)
Relay 2 (COM)
Relay 2 (N.C.)
Relay 1 (N.O.)
Relay 1 (COM)
Relay 1 (N.C.)
Ground
Digital (S
3
L)
V+
Ground
Digital (S
3
L)
V+
T
ransmitter
T
e
rminals
Signet Chlorine Sensor Electronics
3-2650-7 (159 001 670)
10
9
8
7
6
5
4
3
2
1
GND
10
9
8
7
6
5
4
3
2
1
GND
NO
COM RELA
Y
2
NC
NO
COM RELA
Y
1
NC
– LOOP
2
+ LOOP
2
– LOOP
1
+ LOOP
1
EARTH GROUND
Black
White
Y
ellow
Red
Signet pH Sensor Electronics
3-2750-7 (159 001 671)
Black
Black
Black
Black
Black
Black
Black
Black
Red
Black
White
Red
Black
White
GND
N
L
– V
+V
Power Supply
24 VDC
T
erminal
Block
3-8630-3P
(159 001 673)
Customer Wiring
