User's Manual

228 UDC 3300 Process Controller Product Manual 4/00
4 to 20 mA inputs
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 Wiring Connections for 4 to 20 mA inputs
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
L1
L2/N
22
23
24
25
26
27
–
4 to 20 mA
Source
Copper Leads
+
–
250Ω
resistor
assy
24179
+
–
Input 2
Input 1
22
23
24
+
–
Input 3—Wire terminals as shown below.
4 to 20 mA
Source
+
–
250 ohm