Watlow Series 922 Retrofit - Manual (Page 39)

How to Install and Wire, Chapter 4 31 WATLOW Series 922 User's Manual
Wire Input
Input Option "4", Terminals 1 - 8
Model # 922A - 4 _ _ 0 - _ 000
Input Option "5", Terminals 1 - 8
Model # 922A - 5 _ _ 0 - _ 000
Model # 922A - 8 _ _ 0 - _ 000
Model # 922A - 9 _ _ 0 - _ 000
Figure 20 -
Input Option "4"
Dual Process,
Wiring Diagram.
Figure 21 -
Input Option
"5", "8", or "9"
Dual T/C,
Wiring Diagram.
8
7
6
5
4
2
3
+
-
Retransmit Output
Retransmit Common
1
4 - 20mA
Sensor
Process
Process
Process
Process
Chart
Recorder
(Optional)
0 - 5V, 4 - 20mA input
0 - 5V, 4 - 20mA input
Channel 2
+
-
0 - 5V, 4 - 20mA input
-
Channel 1
+
0 - 5V, 4 - 20mA input
NOTE 1: Jumper
terminal 4 to 5 only
when using 4-20mA
input for Channel 2.
NOTE
2:
Jumper
Terminals 7 to 8
when using
4 - 20mA input for
Channel 1.
WARNING:
Use ungrounded
sensor for proper
operation.
8
7
6
5
4
2
3
1
+ Retransmit Output
Retransmit Common
Chart
Recorder
(Optional)
-
- T.C.
+ T.C.
- T.C.
+ T.C.
Channel 1
Channel 2