Two Differing Negative Voltages With a Positive Common
(Refer To Fig. 14)
Using both supplies, two differing negative voltages with a
common positive are obtained as follows:
1. Select the INDEPendent operating mode and set up the LED
displays so that both displays monitor voltage.
2. Connect the ground straps between each supplies’ positive
terminal and ground.
3. Independently set the desired voltage and maximum current
for the “A” and “B” supplies using the “A” VOLTAGE and
CURRENT controls and the “B” VOLTAGE and CURRENT
controls respectively.
4. Turn off the power supply and the equipment to be powered
during hook-up.
5. Connect the negative polarity inputs of the circuit to be
powered to the negative (black) terminals of the supplies.
Connect the common positive input of the circuit to be
powered to either supplies’ positive (red) or ground (green)
terminal.
6. If desired, set the LED displays to monitor current.
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