Input Calibration
290 UDC3500 Universal Digital Controller Product Manual 3/07
5.4.8 Dual High Level Milliamperes Inputs
Refer to Figure 5-9 and wire the controller according to the procedure given in Table
5-11.
Table 5-11 Set Up Wiring Procedure for Dual High Level Milliampere Inputs
Step Action
1
Connect the copper leads from the calibrator to the input to be calibrated as shown in
Figure 5-9.
2
Place current source at zero before switching on.
3
Following calibration, turn off the current source prior to disconnecting it from the
instrument.
30-
29+
31+
32+
33-
34R
35+
36-
28+
Input 1
Input 2
Input 3
250 ohms
Milliampere
Source
+
250 ohms
250 ohms
250 ohms
250 ohms
Input 5
Input 4
Terminals for Input 1 are 35 (+) and 36 (-)
Terminals for Input 2 are 32 (+) and 33 (-)
Terminals for Input 3 are 29 (+) and 30 (-)
Terminals for Input 4 are 31 (+) and 33 (-)
Terminals for Input 5 are 28 (+) and 30 (-)
Figure 5-9 Wiring Connections for Dual High Level Milliampere Inputs
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