TECHTOP TD20 Series Product Manual page 79

TD20 Series VFD
Function
Name
code
Overload
pre-alarm of
P11.08
the motor/
VFD
Overload
P11.09 pre-alarm test
level
Overload
P11.10 pre-alarm
detection time
Detailed instruction of parameters
0: current limit invalid
1: current limit valid
2: current limit is invalid during constant speed
Setting range of P11.05: 0x00–0x12
Setting range of P11.06: 50.0–200.0%
Setting range of P11.07: 0.00–50.00Hz/s
The output current of the VFD or the motor is above
P11.09 and the lasting time is beyond P11.10, overload
pre-alarm will be output.
Output current
Overload
pre-alarm point
Y, RO1, RO2
Setting range of P11.08:
Enable and define the overload pre-alarm of the VFD or
the motor.
Setting range: 0x000–0x131
LED ones:
0: Overload pre-alarm of the motor, comply with the
rated current of the motor
1: Overload pre-alarm of the VFD, comply with the rated
current of the VFD
LED tens:
0: The VFD continues to work after underload pre-alarm
1: The VFD continues to work after underload pre-alarm
and the VFD stops to run after overload fault
2: The VFD continues to work after overload pre-alarm
and the VFD stops to run after underload fault
3. The VFD stops when overloading or underloading.
LED hundreds :
0: Detection all the time
1: Detection in constant running
Setting range of P11.09: P11.11–200%
Setting range of P11.10: 0.1–3600.0s
Pre-alarm
time
Pre-alarm
time
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Function Parameters
Default
value
0x000
150%
Time
Time
1.0s
Modify
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