Input Set Up Wiring; Thermocouple Inputs Using An Ice Bath; Table 5-3 Set Up Wiring Procedure For Thermocouple Inputs Using An Ice Bath; Figure 5-2 Wiring Connections For Thermocouple Inputs Using An Ice Bath - Honeywell UDC3500 Product Manual

Input Calibration

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
Step
1 Connect the copper leads to the calibrator.
If using a physical Ice Bath:
2
If using a commercial Ice Bath:
Connect the thermocouple extension wires to the terminals for the input to be
3
calibrated. See Figure 5-2.
Millivolt
Source
Copper Leads

Figure 5-2 Wiring Connections for Thermocouple Inputs Using an Ice Bath

262
Using an 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.
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.
+
_
Ice Bath
UDC3500 Universal Digital Controller Product Manual
Action
+
_
Thermocouple
Extension Wire
28R
29+
Input 3
30-
31R
32+ C/J S e ns ors
Input 2
33-
34R
35+
Input 1
36-
10/05