Configuration Mode (ConF)
HIGH SPEED HOISTING
This function can be us ed to optim ize the cycle tim es for hoisting m ovem ents for zero or lightweight loads. It
authorizes operation at "cons tant power" in order to reach a s peed greater than the rated s peed without
exceeding the rated m otor current.
The speed rem ains limited by the
[High speed]
(HSP) param eter page 87.
The function acts on the speed reference pedes tal and not on the reference itself.
Principle:
Frequency
There are 2 poss ible operating m odes:
•
Speed reference m ode: The maximum permissible speed is calculated by the drive during a speed step that
is set s o that the drive can m eas ure the load.
•
Current lim itation m ode: The m axim um perm issible s peed is the s peed that s upports current lim itation in
m otor m ode, in the "as cending" direction only. For the "des cending" direction, operation is in Speed
reference m ode.
HSP
frequency FrS
max.
Tr: Rated
Torque
motor
torque
frequency FrS
HSP
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