Watlow Series 945, 1/4 DIN Microprocessor-BasedAuto-tuning Control - Manual (Page 6)

Install and Wire, Chapter 2
6 WATLOW Series 945 User's Manual
Thermocouple Input
Input Wiring
Figure 7 -
Thermocouple
Input Wiring
+
-
7
9
4
5
6
4
5
6
Jumper #5 to #6
for 2 Wire RTD
+
-
1
3
V
DC
Figure 9 -
0 - 5 VDC Process
Input Wiring.
Figure 8 -
2 or 3 wire RTD
Input Wiring.
These input connections are also used in conjunction with T/C and RTD
sensor types when using the remote set point input.
0 - 5VDC Process or Remote Set Point Input
Input impedance: 100K
Ω
945A - 2 _ _ _ - _ 000
945A - 3 _ _ _ - _ 000
RTD, 2 or 3 Wire
945A - 2 _ _ _ - _ 000
945A - 3 _ _ _ - _ 000
4 - 20mA Process or Remote Set Point Input
945A - 1 _ _ _ - _ 000
945A - 2 _ _ _ - _ 000
945A - 3 _ _ _ - _ 000
945A - 4 _ _ _ - _ 000
1
2
3
+
-
DC
I
A jumper must be
installed between
Terminal #2 and 3.
945A - 2 _ _ _ - _ 000
945A - 3 _ _ _ - _ 000
4-20mA process input: 249
Ω
.
Figure 10 -
4-20mA Process
Input Wiring.
(-) = Red