Brand: HP
Category: Power Supply
Document Type: Manual
Language: EN
Manual for E3631A
Uploaded: Nov. 21, 2025, 8 p.m.
Manual Publish Date: 2006-01-17
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Using the HP E3631A Power Supply
This manual explains the basic functions of the HP E3631A triple output power supply. It covers obtaining the correct cables, connecting the outputs, and setting voltage and current values for different output modes (0-6V, 0-25V, and -25V-0V).
Key Operations:
- Powering On: Depress the power switch on the lower left.
- Selecting Output Mode: Use the "Function" buttons (+6V, +25V, -25V).
- Setting Voltage/Current: Use the left/right arrows to select digits and the circular knob to adjust values. The output must be turned off before setting to zero and then turned on again.
- Connecting Outputs: Connect positive cables to red posts and negative/ground cables to black posts, as indicated for each output mode.
- Troubleshooting: Press "Display Limit" if readings disappear. Adjust current by pressing "Voltage/Current" and using the adjustment controls.
Troubleshooting and error codes
| Problem | Solution | ||
|---|---|---|---|
| Problem | Voltage and current readings disappear while output is on. | Solution | Press the "Display Limit" button to bring the values back up. |
| Problem | Need to adjust current. | Solution | Press the "Voltage/Current" key, select the digit using arrows, and use the circular knob to change the value. |