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6. [Advanced] How to use parameters 6-132
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6. 30. 9 Short circuit detection at start
<F613: Short circuit detection at start>
<F614: Pulse width of short circuit detection at start>
â– Function
Inverter detects inverter output short-circuit at the start.
Normally, short-circuit can be detected in the length of standard pulse (50 μs). When operating a
low-impedance motor, such as a high-speed motor, however, select the short-time pulse by
<F614:Pulse width of short circuit detection at start> to prevent an error detection.
â– Parameter setting
â– Setting the <F613: Short circuit detection at start>
0: At every startup by standard pulse
Detection is executed in the length of standard pulse every time at the start of inverter operation.
1: Only one time after power on by standard pulse
Detection is executed in the length of standard pulse only during the first start-up at power on or
after resetting.
2: At every startup by F614 setting pulse
Detection is executed in the length of short-time pulse specified by <F614: Pulse width of short
circuit detection at start> every time at the start of inverter operation.
3: Only one time after power on by F614 setting pulse
Detection is executed in the length of short-time pulse specified by <F614: Pulse width of short
circuit detection at start> only one time during the first start-up at power on or after resetting.
Title Parameter name Adjustment range Unit Default setting
F613 Short circuit detection at
start
0: At every startup by standard pulse
1: Only one time after power on by standard
pulse
2: At every startup by F614 setting pulse
3: Only one time after power on by F614
setting pulse
0
F614 Pulse width of short
circuit detection at start
0: No short circuit detection at start
in case F613="2", or "3"
1 - 50 μs
25
0: At every startup by std pulse
1: 1 time at power on by std pulse
2: At every startup by F614 pulse
3: 1 time at power on by F614
0.0HzSTOP
13:56
F613 : Startup short circuit detect
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