Input Calibration
5.4.6 Milliamperes
Refer to Figure 5-7 and wire the controller according to the procedure given in Table 5-9.
Table 5-9 Set Up Wiring Procedure for Milliampere Inputs
Step
Connect the copper leads from the calibrator to the input to be calibrated as shown in
1
Figure 5-7.
2
Place current source at zero before switching on.
3
Following calibration, turn off the current source prior to disconnecting it from the
instrument.
Source
Figure 5-7 Wiring Connections for Milliampere Inputs
288
+
Milliampere
_
UDC3500 Universal Digital Controller Product Manual
Action
250 ohms
250 ohms
250 ohms
28R
29+
Input 3
30-
31R
32+
Input 2
33-
34R
35+
Input 1
36-
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