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Series 2260B Programmable Power Supplies Verification and Adjustment Manual
Section 7: Analog interface adjustment
077104802 / November 2016
7-5
Make sure that the reading on the DMM is within the specified voltage range. If not, adjust the
voltage resistor (VR401) on the 2260B instrument (see
Confirm location of adjustment points
page 7-2)).
Here's the list of models with adjustment ranges for point VR401:
Model number
minimum volts
maximum volts
2260B-30-36
29.994
30.006
2260B-30-72
29.994
30.006
2260B-30-108
29.994
30.006
2260B-80-13
79.984
80.016
2260B-80-27
79.984
80.016
2260B-80-40
79.984
80.016
2260B-250-4
249.950
250.050
2260B-250-9
249.950
250.050
2260B-250-13
249.950
250.050
2260B-800-1
799.840
800.160
2260B-800-2
799.840
800.160
2260B-800-4
799.840
800.160
11. Press the Voltage knob to return to external voltage adjustment (C010).
12. Rotate the Voltage knob until it indicates C020, in order to prepare to execute the external output
current adjustment.
Make sure that the load key and short key on the DC electronic load instrument are turned on.
13. Press the Voltage knob (C021 is displayed); the 2260B Output button illuminates and CC is
displayed.