Chapter 12 Descriptions of Parameter SettingsC2000 Plus
12.1-06-7
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
decelerates according to the Pr.06-05 setting to prevent the motor from stalling. The lower limit for
the over-current stall prevention is determined by the maximum value among 0.5 Hz, Pr.01-07 and
Pr.01-11.
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.
06-05
Acceleration / Deceleration Time Selection for Stall Prevention at Constant
Speed
Default: 0
Settings 0: By current acceleration / deceleration time
1: By the first acceleration / deceleration time
2: By the second acceleration / deceleration time
3: By the third acceleration / deceleration time
4: By the fourth acceleration / deceleration time
5: By Auto-acceleration / auto-deceleration
Set the acceleration / deceleration time selection when stall prevention occurs at constant speed.
06-06
Over-Torque Detection Selection (OT1)
06-09
Over-Torque Detection Selection (OT2)
Default: 0
Settings
0: No function
1: Continue operation after over-torque detection during constant speed
operation
2: Stop after over-torque detection during constant speed operation
3: Continue operation after over-torque detection during RUN
4: Stop after over-torque detection during RUN
When you set Pr.06-06 and Pr.06-09 to 1 or 3, a warning message displays, but there is no error
record.
When you set Pr.06-06 and Pr.06-09 to 2 or 4, an error message displays and there is an error
record.
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