14
CAUTION
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I
nstruction on Using the Output Terminals
The PSF Series is a floating type power supply unit. Connect either
output terminal on the rear panel with the GND terminal of the frame,
if output should be grounded. The output terminals on the front
panel are auxiliary output terminals, whose maximum current is 40A.
Note that using the front output terminals may not satisfy the
electrical specifications.
Do not use the front and rear output terminals simultaneously.
Using them together may result in troubles.
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Instruction on Turning On Power
When the PSF Series power supply unit is turned on, the version
data of the internal ROM are displayed, the model name, presence
or absence of the interface, address and other data are displayed,
and then the set voltage and current are displayed.
Display while storing the set values
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Precaution for turning off power
The PSF Series power supply unit stores set values immediately
before the source voltage is shut off or the POWER switch is turned
off. These stored values serve as the initial values when it is turned
on next time.
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Once power is turned on or off, the user should wait for five seconds
or more before turning it off or on. If power is turned on and off
repeatedly at intervals of five seconds or less, the unit may fail to
store the set values, the power fuse may be deteriorated due to a
fault of the rush current limit circuit, or the POWER switch may
become defective.
