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E6581301
F-63
6
• Function
Trips the inverter or issues an alarm if the total time for which torque is above the level set with
H
/
H
reaches the time set with
H
. Trip information is displayed as “
QV
.”
H= (No trip) ·············· No tripping (FL is not active).
H= (Tripping) ············ The inverter will trip (the failure signal FL will be activated) if a torque larger than
H (during power running) or H (during regeneration) passes for a time
longer than the time set with H.
Title Function Adjustment range Default setting
H Overtorque trip selection :No trip, :Trip
H Overtorque detection level during power running ~ %
H Overtorque detection level during regenerative braking ~ %
H Overtorque detection time ~ sec.
H Overtorque detection hysteresis ~ %
Note: Using the output terminal function selection parameter, the inverter can be set so that it outputs overtorque
detection signals regardless of the setting of H.
Refer to Section 7.2.2.
<Example of operation>
Output terminal function: 28 Overtorque detection
H= (No trip)
Ex.) When outputting overtorque detection signals through output terminal OUT1
Title Function Adjustment range
Example of
setting
H Output terminal function selection 1(OUT1) ~
Note: To put out signals to the terminal OUT2, select the parameter H.
Time [sec]
H
-
H
H
Torque [%]
Overtorque
signal output
H
ON
OFF
OFF
less than
H
When H= (tripping), the inverter will trip if overtorque lasts for the period of time set with H. In
such a case, the overtorque signal remains ON.
6.33.11 Cooling fan control selection
H
HH
H : Cooling fan control selection
• Function
With this parameter, you can set the condition of cooling fan so that it operates only when the inverter
requires cooling, and thus it can be used for a longer period.
H=: Automatic control of cooling fan, enabled. Operates only when the inverter is in operation.
H=: Automatic control of cooling fan, disabled. The cooling fan always operates when the inverter is
energized.