Chapter 12 Description of Parameter SettingsCP2000
12.1-06-6
Over-current Stall Prevention during Operation
Default:
120/120/120/120
Settings 230V/460V series
Light load: 0–130% (100%: drive’s rated current)
Normal load: 0–160% (100%: drive’s rated current)
575V/690V series
Light load: 0–125% (100%: drive’s rated current)
Normal load: 0–150% (100%: drive’s rated current)
This parameter only works in VF and SVC control modes.
This is a protection for the drive to decrease output frequency automatically when the motor
over-loads abruptly during constant motor operation.
If the output current exceeds the setting value for Pr.06-04 when the drive is operating, the drive
decreases output frequency (according to Pr.06-05) to prevent the motor from stalling. If the
output current is lower than the setting value for Pr.06-04, the drive accelerates (according to
Pr.06-05) again to the setting frequency.
Acceleration / Deceleration Time Selection of Stall Prevention at Constant Speed
Default: 0
Settings 0: By current acceleration / deceleration time
1: By the 1
st
acceleration / deceleration time
2: By the 2
nd
acceleration / deceleration time
3: By the 3
rd
acceleration / deceleration time
4: By the 4
th
acceleration / deceleration time
5: By automatic acceleration / deceleration
Sets the acceleration / deceleration time selection when stall prevention occurs at constant
speed.
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