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Detection Of Output Short Circuit; Overtorque Trip - Toshiba Tosvert VF-AS1 Instruction Manual

The new high-performance inverter.
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<Example of operation>
Output terminal function: 26 (UC) Low current detection
= (No trip)
Ex.) When outputting low current detection signals through output terminal OUT1
Title

Note: To put out signals to the terminal OUT2, select the parameter .
Output current [%]
 + 
When = (tripping), the inverter will trip if low current lasts for the period of time set with .
After tripping, the low current signal remains ON.

6.33.9 Detection of output short circuit

 : Selection of short circuit detection at starting
6
• Function
Detects a short-circuit on the output side of the inverter.
Title

 ················· , , : Standard —— detecting at starting
Note: If the input voltage is rather high (480V as a guide) or the inverter is used to operate a high-speed motor, set
 to  or . Any other setting may cause the motor to malfunction, because a high-speed motor has a
very low impedance. If the inverter malfunctions for reasons of impedance even though  is set to  or
, then set  to  or .

6.33.10 Overtorque trip

 : Overtorque trip selection
 : Overtorque detection level during power running
 : Overtorque detection level during regenerative braking
 : Overtorque detection time
 : Overtorque detection hysteresis
Function
Output terminal function selection 1(OUT1)
Low current
signal output

Function
:Each time (standard pulse)
:Only one time after power is turned on
:Each time (short pulse)
Selection of short circuit
:Only one time after power is turn on (short pulse)
detection at starting
:Each time (Extremely shot-time pulse)
:Only one time after power is turn on (Extremely
shot-time pulse)
, , : A check is made once at the first start of operation after the power is turned on or the
inverter is reset.
Adjustment range
~
less than

Adjustment range
F-62
E6581442
Setting value

ON
OFF
OFF

Time [sec]
Default setting


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