LSIS 6731001500, User Manual

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328
Learning Protection Features
Group Code Name LCD Display Parameter Setting Setting range Unit
36
Multi-function
output 1 item
Q1 Define
Code Description
PRT-50 Stall
Prevent
Stall prevention can be configured for acceleration, deceleration, or while
operating a motor at constant speed.When the LCD segment is on, the
corresponding bit is off.
Item Bit Status (On) Bit Status (Off)
Keypad display
Setting Function
Bit 4 Bit 3 Bit 2 Bit 1
Stall protection during acceleration
Stall protection while operating at a
constant speed
Stall protection during deceleration
Flux braking during deceleration
Setting Function
0001 Stall protection
during
acceleration If inverter output current exceeds the preset stall
level (PRT- 52, 54, 56, 58) during acceleration, the
motor stops accelerating and starts decelerating. If
current level stays above the stall level, the motor
decelerates to the start frequency (DRV-19). If the
current level causes deceleration below the preset
level while operating the stall protection function,
the motor resumes acceleration.
0010 Stall protection
while operating at
constant speed Similar to stall protection function during
acceleration, the output frequency automatically
decelerates when the current level exceeds the
preset stall level while operating at constant
speed. When the load current decelerates below
the preset level, it resumes acceleration.