User Manual

31
According to the following steps to escape OPP mode:
Press + (system)—“RUNMODE”— —-select “NORMAL” mode— .
6.6.2 Start Auto Test File
Press []
name:
images/triggerButton
file:
images/triggerButton
state:
unknown
to provide a signal to start auto test le. The discharging process will be auto terminated when stop conditions
are reached.
6.6.3 Recall Test File
Press + button to select program le the panel displays “RECALL PROGRAM= 1” Enter the le name(1-10)press
button to conrm.
If you need a pause, press + (pause). Press can continue the test.
6.7 Measurement of Voltage Rise Time
The 8500B series electronic load is provided with special voltage rise/drop time measurement function. This function
gives a simple analog of voltage rise/drop speed of oscilloscope test power.
Operation methods:
1 Set initial Voltage and Final Voltage
1. Press + keys to enter conguration menu. Press Right key. Select “Measure” and press key.
2. Press to select “TimeV1”. Press key. Press numeric keys to set initial voltage value and press key.
3. Press to select “TimeV2”. Press key. Press numeric keys to set nal voltage value and press key.
4. Press to exit setting. Start timer function
5. Press + keys to enter system menu. Press Right key till “Displ” icks and press key.
6. Press key to select “On”. Start timer function and press key.
7. Press to exit setting.
8. VFD second line will display time 0.0000S between power value and set value.
OFF CC
v-0.0002a 0.0001V 0.0002A
0.00W 0.0000S CC=0.000A
Measurement of Rise Time
9. Connect DC power to be tested to the input terminal of the electronic load. The power is set with a value that is
higher than the set nal voltage value. Keep power output in OFF status.
10. Set a constant current value on the load and open the load input.