ALC404 LIGHTING TOWER CONTROLLER USER MANUAL
ALC404 Lighting Tower Controller 2018-11-06 Version 1.1 Page 45 of 83
percentage of mains rated
voltage.
The setting limit is
percentage of mains rated
voltage.
Mains Over Voltage
Warning
The setting limit is
percentage of mains rated
voltage.
The setting limit is
percentage of mains rated
voltage.
Mains Under
Frequency Warning
The setting limit is
percentage of mains rated
frequency.
The setting limit is
percentage of mains rated
frequency.
Mains Over
Frequency Warning
The setting limit is
percentage of mains rated
frequency.
The setting limit is
percentage of mains rated
frequency.
CT Ratio/Hall DC
Sensor Spec.
Note: These two
parameters correspond to
the same variable.
AC power generation unit
correspond to the ratio of
external connected current
transformer, and DC power
generation unit correspond
to the range of Hall DC
sensor.
It is the rated current of
generator, and used for
calculating over current of