E6581697
C-20
3
■
=
(150%-60s),
=
(Constant torque characteristic)
Protection is given uniformly regardless of ambient temperature, as shown by the 150%-60 sec overload curve
in the figure below.
Inverter overload protection characteristics
■
=
(Temperature estimation),
=
(Constant torque characteristic)
This parameter adjusts automatically overload protection, predicting the inverter internal temperature rise.
(diagonally shaded area in the figure below)
60
100%: Inverter rated output current
time
[s]
Monitored output current [%]
0
110%
150%
Inverter overload protection characteristics
60
100%: Inverter rated output current
time
[s]
Inverter overload
Monitored output current [%]
0
110%
150%
Current
[%]
Inverter overload time [s]
(Outline data)
111 2400
120 240
130 120
140 80
150 60
185 2
200 0.5
Summary of Contents for TOSVERT VF-MB1
Page 350: ...2011 07 ...