F-32
If frequency 1
<|
frequency after acceleration
|≦
frequency 2
Drooping gain
(
|
freq. after acceleration
|
−
freq.1
)
100
( freq.2
−
freq.1
)
If
≧
If
|
frequency after acceleration
|≦
frequency 1
Gain2
=
0
If
|
frequency after acceleration
|>
frequency 1
Gain2
=
Drooping gain
/ 100
c) Drooping speed
Drooping speed = base frequency
Note
×
Gain1
×
Gain2
Note) For this calculation, assume the base frequency to be 100 Hz if it is higher than 100 [Hz].
6.15 Function for crane/hoist
:
Light-load high-speed operation
:
Light-load high-speed operation switching lower limit frequency
:
Light-load high-speed operation load waiting time
:
Light-load high-speed operation load detection time
:
Light-load high-speed operation heavy load detection time
:
Switching load torque current during forward run
:
Heavy load torque during acceleration in forward direction
:
Heavy load torque during fixed speed in forward direction
:
Switching load torque current during reverse run
:
Heavy load torque during acceleration in reverse direction
:
Heavy load torque during fixed speed in reverse direction
:
Automatic light-load high-speed operation frequency
6.16 Commercial power/inverter switching
:
Output signal selection of commercial power/inverter switching
:
Commercial power/inverter switching frequency
:
Inverter side switching waiting time
:
Commercial power side switching waiting time
:
Commercial power switching frequency holding time
Gain2
= ×
・
Function
The function switches between the commercial power and the inverter operation witho
ut stopping the motor in case of tripping or by sending a signal, and also to transmit
switching signals to an external sequence (MC, etc).