4 to 20 mA inputs
228
Use the copper leads and connect the calibrator to the rear terminals of
Input #1, #2, or #3. See Figure 7-7.
Figure 7-7
Input 2
250Ω
resistor
assy
Input 1
Copper Leads
Input 3—Wire terminals as shown below.
250 ohm
UDC 3300 Process Controller Product Manual
Wiring Connections for 4 to 20 mA inputs
L1
L2/N
22
+
23
–
24
25
+
26
–
27
–
4 to 20 mA
+
+
22
23
–
24
–
4 to 20 mA
+
Source
10
1
11
2
12
3
13
4
14
5
15
6
16
7
17
8
9
Source
24179
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