ＮＩＳＳＥＩ ＣＯＲＰＯＲＡＴＩＯＮ E6581815
F-42
6
6.15 Torque limit
6.15.1 Torque limit switching
f441 : Power running torque limit 1
level
f443 : Regenerative braking torque
limit 1 level
f444 : Power running torque limit 2
level
f445 : Regenerative braking torque
limit 2 level
Function
This function is to decrease or increase the output frequency according to the loading condition when the
motor torque reaches the limit level.
■ Setting methods
When setting limits to torque. (Torque limits can also be set with an external control device)
Note : Some what weak magnetic field is a constant motor output is limited.
Generation torque is reduced in accordance with the weak ratio of magnetic flux.
+250% torque
-250% torque
Power
running
Regenerative
Forward run
Regenerative
Power
running
Positive torque
Negative torque
Reverse run
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