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Explanation of functions (parameters)
CAUTION
•If the load is heavy or the acceleration/deceleration time is short, the stall
prevention may be activated and the motor not stopped in the preset
acceleration/deceleration time. Therefore, set optimum values to the Pr. 21
and stall prevention operation level.
•When the fast response current limit has been set in Pr. 21 (factory setting),
torque will not be provided at the Pr. 22 setting of 140% or higher. At this time,
make setting so that the fast response current limit is not activated.
•In vertical lift applications, make setting so that the fast response current limit
is not activated. Torque may not be produced, causing a drop due to gravity.
CAUTION
Always perform test operation.
Stall prevention operation performed during acceleration may increase the
acceleration time.
Stall prevention operation performed during constant speed may cause
sudden speed changes.
Stall prevention operation performed during deceleration may increase the
deceleration time, increasing the deceleration distance.