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Reference
PS280 & PS283 User Manual
11
3. Rotate the VOLTAGE knob away from zero sufficiently to light
the C.C. indicator.
4. Set the meter selection switch to AMPS so that the LED display
shows the current.
5. Adjust the CURRENT knob for the desired current limit.
6. Read the value shown on the LED display. This is your preset
current limit. Do not increase the current control setting.
7. Remove the short between the positive and negative output
terminals.
You are now ready to power your device.
Test Modes
The two variable power supplies on your PS280 or PS283 can be
operated independently of each other, or the slave supply can track
the master supply. Below are instructions for operating the
instrument in independent modes, followed by instructions for
operating the instrument in series or parallel tracking modes.
Independent Modes
In independent mode, any one output of each power supply can be
connected to any one terminal of another supply or to ground. The
variable supplies are independently controlled by the front panel
VOLTAGE and CURRENT control knobs.
There are three independent modes in which you can operate the
PS280 or PS283: floating, ground-referenced, and stacked.
In floating mode, the power supply is not referenced with respect to
ground.
In ground-referenced mode, one of the output terminals is grounded,
providing a fixed reference point for your measurement.