The three output modes of GPE-2323/3323/4323
series, independent, series tracking and parallel
tracking can be selected through pressing the
TRACKING key on the front panel. In the
independent mode, the output voltage and current
of each channel are controlled separately. In the
tracking modes, both the CH1 and CH2 outputs
are automatically connected in series or parallel.
CH1 is master and CH2 is slave; no need to
connect output leads. In the series mode, the
output voltage is doubled; in the parallel mode,
the output current is doubled. The isolation
degree, from output terminal to chassis or from
output terminal to output terminal, is 500V
Each output channel works in constant voltage
(CV) or constant current (CC) mode. Even at the
maximum output current, a fully rated,
continuously adjustable output voltage is
provided. For a big load, the power supply can be
used as a CV source; while for a small load, a CC
source. When in the CV mode (independent or
tracking mode), output current (overload or short
circuit) can be controlled via the front panel. When
in the CC mode (independent mode only), the
maximum (ceiling) output voltage can be
controlled via the front panel. The power supply
will automatically cross over from CV to CC
operation when the output current reaches the
target value. The power supply will automatically
cross over from CC to CV when the output voltage
reaches the target value. For more details about
CV/CC mode operation, see page 24.
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