Chapter 5 Parameter Setting Description
5-12 Stall Prevention SetUp
Stall Prevention Level at the
Acceleration
Setting range is 30%~200% of drive’s
rated current
Stall Prevention Level at the Constant
Speed
If stall is occurred during acceleration or constant speed, the motor keeps running at the
constant speed (200%: Off), and the setting range is 30%~200% of drive’s rated current
Acceleration Time for Stall Prevention during the Constant Speed
Deceleration Time for Stall Prevention during the Constant Speed
Setting range is 0.1~3200.0 sec.
Deceleration Stall Prevention
0: Deceleration stall prevention: Disabled
1: Deceleration stall prevention: Enabled
Stall prevention
level at the
acceleration
Stall prevention
level at the
constant speed
Stall prevention
level at the
acceleration
F_070
Time
Time
Time Time
CurrentCurrent
Output
frequency
Output
frequency
Deceleration time for
stall prevention
(F_073)
Acceleration time
for stall prevention
(F_072)
Multi-output
terminal(Y1)
(F_058=6)
Stall prevention
level at the
constant speed
(F_071)
Multi-output
terminal(Y1)
(F_058=6)
a. The function of the stall prevention during the deceleration is to maintain a constant speed
when the deceleration is stalling.
b. When connecting a dynamic brake unit, F074 function can be disabled according to the
operation requirement
c. If the DC bus voltage of the drive is higher than the dynamic brake voltage level when drive
stops, the operation panel or external keypad will display ―Hv‖. ―RUN‖ key of the operation
panel and digital keypad can’t start the drive. If the DC bus voltage is less than the dynamic
brake voltage level, the drive will be automatically recovered and the display will be back to
the main display.
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