Input Calibration
282 UDC3500 Universal Digital Controller Product Manual 3/07
5.4 Input Set Up Wiring
5.4.1 Thermocouple Inputs Using an Ice Bath
Refer to Figure 5-2 and wire the controller according to the procedure given in Table 5-3.
Table 5-3 Set Up Wiring Procedure for Thermocouple Inputs
Using an Ice Bath
Step Action
1
Connect the copper leads to the calibrator.
2
If using a physical Ice Bath:
Connect a length of thermocouple extension wire to the end of each copper lead
and insert the junction points into the ice bath.
If using a commercial Ice Bath:
Connect a length of thermocouple extension wire to the output side of the Ice
Bath. Connect the calibrator with copper wires to the input side of the Ice Bath.
3
Connect the thermocouple extension wires to the terminals for the input to be
calibrated. See Figure 5-2.
Millivolt
Source
Ice Bath
Copper Leads
Thermocouple
Extension Wire
+
30-
29+
31R
32+
33-
34R
35+
36-
28R
Input 1
Input 2
Input 3
C/J Sensors
+
Figure 5-2 Wiring Connections for Thermocouple Inputs Using an Ice Bath
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