44
Watlow Series 935B User’s Manual
Wiring a 935B
Figure 15 - Wiring the Series 935B
Ó
WARNING: All wiring and fusing must conform to local and
national electric codes. Contact local authorities for further
information. Failure to comply with electric codes could
result in injury or death, or damage to property.
Power Wiring
Remote Timer Start
(Closed switch = Starts Timer)
Front Panel Lock
(Closed switch = locked panel)
Input Wiring
ç
CAUTION: Using grounded thermocouples with non-isolat-
ed output switching devices could introduce ground loops
into the control system, and possibly damage the controller
and product.
Output 1 Wiring
Output 2 Wiring
NOTE: Both Output 1 and Output 2 are DIN-a-mite
®
compatible.
Internal Circuitry
Output 2; Switched DC; "C"
+5V
10
Ω
–
1
+
2
C
O
M
–
3
R
T
S
+
4
1
+
5
2
+
6
7
8
IN
OUT
POWER
Output 1; Switched DC; "C"
+5V
10
Ω
Internal Circuitry
–
1
+
2
C
O
M
–
3
R
T
S
+
4
1
+
5
2
+
6
7
8
IN
OUT
POWER
Thermocouple Input
–
1
+
2
C
O
M
–
3
R
T
S
+
4
1
+
5
2
+
6
7
8
IN
OUT
POWER
2-wire
3-wire
S3
–
1
+
2
C
O
M
–
3
R
T
S
+
4
1
+
5
2
+
6
7
8
IN
OUT
POWER
NOTE: Customer-supplied
two-position switch.
–
1
+
2
C
O
M
3
R
T
S
4
O
T
1
5
O
T
2
6
7
8
Load 1
NOTE: Customer-supplied
N.O. momentary switch.
–
1
+
2
C
O
M
3
R
T
S
4
O
T
1
5
O
T
2
6
7
8
Load 2
Load 1
High Voltage
100 to 240V~
–
1
+
2
C
O
M
–
3
R
T
S
+
4
1
+
5
2
+
6
7
8
IN
OUT
POWER
NOTE:
NOTE:
