Section 3: Functions and features Series 2280 Precision DC Power Supply Reference Manual
3-50 077085503 / March 2019
Using the front panel:
Press the HOME > List > Enable to stop the list.
Using SCPI commands:
:ABORt
Sink operation
When the Series 2280 is operating as a sink, current has opposite polarities and the instrument is
dissipating power rather than sourcing it. The instrument can be forced into sink operation by an
external source, such as a battery, or an energy storage device, such as a capacitor. For detail on the
sink region, see the following figure. The sink current is nonprogrammable and the maximum sink
current is 0.45 A ± 10%.
Figure 79: Series 2280 operating boundaries
For example, if a 12 V battery is connected to the voltage source (HI to battery high) that is
programmed for +10 V, sink operation occurs in the quadrant IV (source +V and measure –I).
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