4: Constant current verification Series 2260B Programmable Power Supplies
Verification and Adjustment Manual
4-2 077104802 / November 2016
Before proceeding, make sure that the 2260B instrument is off.
To perform current programming and measurement accuracy:
1. Connect the AC power supply.
2. Connect the current input on the PCS-1000 across the +S and -S terminals through an electronic
DC load, as shown in the previous figure.
3. Turn on the 2260B and, if necessary, all of the other instruments.
4. Press the Set button on the 2260B, program the output voltage to 15 volts and set the output
current to zero (see Series 2260B available models (on page 1-1
), if needed).
5. Set the electronic load to a short and on the 2260B press the Output button. Note that CC is
displayed on the 2260B front panel.
6. Record the precision current shunt (PCS-1000) input current readings and the current indicated
on the 2260B. The readings should be within the limits specified in the test record form for the
appropriate model (see Verification test record forms (on page 5-1
) for the appropriate model,
under Current Programming and Measurement, if needed).
7. Program the output current to its maximum rated value (see Series 2260B available models (on
page 1-1), if needed).
8. Set the electronic load to a short.
9. Record the precision current shunt (PCS-1000) input current readings and the current indicated
on the 2260B.
The readings should be within the limits specified in the test record form for the appropriate model
(see Verification test record forms (on page 5-1
) for the appropriate model, under Current
Programming and Measurement, if needed).
Verifying Current Programming and Measurement Accuracy is complete.
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