Voltage test overvoltage test current test – HP 6627A User Manual
Page 37

Getting Started 37
Voltage Test
1. Set the voltage of the selected output to 10 V by pressing:
VSET
1
0
ENTER
2. Check that the display reads approximately 10 V and 0 A and the CV annunciator is on indicating that the supply is in
the constant voltage mode of operation.
Overvoltage Test
1. Program the overvoltage protection (OVP) to 19 V by pressing:
OV
1
9
ENTER
SET
2. Set the voltage to 16 V by pressing:
VSET
1
6
ENTER
3. Check that the display reads approximately 16 V and 0 A.
4. Set the voltage to 20 V by pressing:
VSET
2
0
ENTER
5. Check that the display reads "OVERVOLTAGE".
6. Reset the supply by pressing:
VSET
1
6
ENTER
OV
RST
7. Check that the display reads approximately 16 V and 0 A.
Current Test
1. Turn off the supply.
2. Remove the barrier block cover from the output to be tested and connect a short circuit (jumper wire) between the +V
and -V terminals of the output being tested.
3. Turn on the supply.
4. Use the the
to select output being tested.
5. Set the voltage to 5 volts by pressing:
VSET
5
ENTER