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Turn-On Checkout
Perform the Turn-On Checkout as directed in chapter 4.
NOTE:
The dc source must pass turn-on selftest before you can proceed with the verification
tests.
Voltage Programming and Measurement Accuracy
This test verifies the voltage programming, HP-IB measurement, and front panel meter functions. Values
read back over the HP-IB should be the same as those displayed on the front panel. Measure the dc
output voltage at the output terminals. Make sure the sense switch is set to remote and the sense terminals
are directly jumpered to the output terminals.
Action
1.
Turn off the dc source and connect a DMM to the output terminals.
2.
Turn on the dc source with no load on the output. Set the output
voltage to 0.01 V and the output current to 3 A. Press Output
On/Off to enable the output.
3.
Record the voltage reading on the DMM (Vout) and the voltage
reading on the front panel display.
4.
Set the output voltage to 15 V.
5.
Record the voltage reading on the DMM (Vout) and the voltage
reading on the front panel display.
Current Programming and Measurement Accuracy
This test verifies the current programming and measurement. Connect the appropriate current monitor
(see table B-1) as shown in figure B-1A.
Current Programming and Measurement (High Range)
Action
1.
Turn off the dc source and connect the DMM and current monitor
as shown in figure B-1A.
2.
Turn on the dc source, access the Input menu, and set the current
sense detector to DC.
3.
Set the output voltage to 5 V and the current to 0 A. Press Output
On/Off to enable the output.
4.
Divide the voltage drop across the current monitor by its resistance
to convert the value to amperes. Record this value (Iout).
5.
Set the output current 3 A.
6.
Divide the voltage drop across the current monitor by its resistance
to convert the value to amperes. Record this value (Iout). Also
record the current reading on the front panel display.
Verification and Calibration - B
Normal Result
Output voltage near 0 V.
Output current near 0 A.
Readings within low voltage limits
(see table B-2).
Output voltage near 15 V.
Readings within high voltage limits
(see table B-2).
Normal Result
CURR:DET DC
Output current near 0 A.
Reading within low current limits
(see table B-2).
Readings within high current limits
(see table B-2).
125
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