User Manual

GETTING STARTED
27
Crest Factor (CF)
The crest factor stands for a ratio of the rms
value correlated to the peak value (crest value)
of the waveform.
Equation:
Note
The crest factor is 1.41 of sine
wave.
Inrush Current
Capacity
It indicates the current, which is able to be
supplied to a load, exceeds the rating for a short
period and the duration.
Output Power
Ratio
It indicates the output power of a percentage
where the rated maximum output power is
100%.
Alarms
The ASR-2000 series have a number of protection features. When
one of the protection alarms is tripped, the ALM icon on the
display will be lit and the type of alarm that has been tripped will
be shown on the display. When an alarm has been tripped the
output will be automatically turned off. For details on how to clear
an alarm or to set the protection modes, please see page 187.
Abnormal Output
This alarm is activated and output will be
disabled immediately when output overvoltage
or overcurrent is detected.
Abnormal Power
Source Block
This alarm is activated and output will be
disabled immediately when internal power
source abnormality is detected. Beware that all
operations will be disabled except for the power
shutdown operation if an error occurs.