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INVT Goodrive350-19 Series Operation Manual page 342

Vfd for crane
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Goodrive350-19 Series VFD for Crane
Function
Name
code
Anti-snag
P92.27
protection braking
torque
Braking torque
P92.28
ACC/DEC time
Braking torque end
P92.29
frequency
Enabling set
P92.30
frequency
protection
Description
Output
frequency
P92.29
S-terminal
anti-snag
protection
command
Output
torque
P92.27
Anti-snag indicates that the VFD outputs
reserve torque so that the motor can stop at the
fastest speed. A smaller value of P92.28
indicates a faster braking speed. When the
motor decelerates to P92.29, the VFD stops.
Setting range of P92.27: 0.0–300.0% (of the
motor rated current)
Setting range of P92.28: 0.000–10.000s
Setting range of P92.29: 0.00–30.00Hz
0–4
0: Disable
1: If Set frequency ≤ Brake closing frequency,
the VFD reports A-rSF, and it closes the brake
but does not stop.
2: If Set frequency ≤ Brake closing frequency,
the VFD reports A-rSF, and it closes the brake
and stops.
3: If Set frequency ≤ Brake closing frequency,
the VFD reports SFE, and it closes the brake
and stops.
4: If Set frequency ≤ P92.31, the VFD reports
SFE, and it closes the brake and stops.
After the function is enabled, if the brake is
opened, detection protection is performed.
When the set frequency is equal to or lower
than the brake frequency or the value of
P92.31, the system decreases the speed to the
brake frequency or P92.31, and then performs
the action specified by P92.30. It will not be
detected when the brake is closed.
-330-
P92.28
Function parameters
Default Modify
0.0%
0.200s
0.10Hz
0

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