User’s Manual
15
4. OPERATION
4.1. FUNCTIONAL DESCRIPTION
The M3628ACF is a digitally controlled DC supply capable of sourcing between 100
mA and 1A, at voltages between 0 and 1000 volts. Actual available charge current
depends on load voltage. The unit is powered by standard 50-60 Hz 110-120 VAC or
220-240 VAC. The user may select to charge the capacitor to a specified voltage with
a specified current limit. The user may then discharge the capacitor, after which the
ACF will display a measurement of its capacitance. Alternately, the user may initiate a
forming profile with defined current limits, step voltages, and hold times before the unit
automatically discharges the load. (Figure 4.2) The Cancel button will act as an
immediate discharge button in case of accidental overvoltage. The unit automatically
enters discharge mode when powered off.
If the non-capacitive system load, including leakage current and bleeder
resistors, is higher than the current shown in the above chart, the M3628ACF
may not be able to charge to the full specified voltage. It may be necessary to
disconnect bleeder resistors to obtain a full charge.
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