United Security Products AVD-45c Manual Pagina 240

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226 UDC 6300 Process Controller Product Manual 1/03
6.7 Input #5 - Low Level Inputs Set Up Wiring
Thermocouple inputs
using an ice bath
Refer to Figure 6-4 and wire the controller according to the procedure
given in Table 6-5.
Table 6-5 Set Up Wiring Procedure for Thermocouple Inputs Using
An Ice Bath
Step Action
1
Connect the copper leads to the calibrator.
2
Connect a length of thermocouple extension wire to the end of each
copper lead and insert the junction points into the ice bath.
3
Connect the thermocouple extension wires to the terminals for Input
#5. See Figure 6-4.
Figure 6-4 Wiring Connections for Thermocouple Inputs Using an Ice
Bath
Ice
Baths
1
2
3
4
5
6
7
8
9
10
11
12
13
L1
L2/N
22
23
14
15
16
17
18
19
20
21
22053
R
+
-
Calibrating
Device
+-
Thermocouple
Extension
Wire
Copper
leads
Cold
Junction
Resistor
Continued on next page
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