Toshiba VF-FS1 instruction manual ,  Inverter trip retention selection

Models: VF-FS1

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E6581381

[Display during operation of the stall prevention]

During an QE alarm status, (that is , when there is a current flow in excess of the stall prevention level), the output frequency changes. At the same time, to the left of this value, "E" is displayed flashing on and off.

Example of display

E

+The switching from H to H can be performed by entering a command through terminals. For more details, see section 6.4.1.

Note: The 100% standard value is the rated output current indicated on the nameplate.

6.17.3 Inverter trip retention

H : Inverter trip retention selection

Function

If the inverter trips, this parameter will retain the corresponding trip information. Trip information that

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has thus been stored into memory can be displayed, even after power has been reset.

 

 

 

 

 

 

 

 

 

[Parameter setting]

 

 

 

 

 

Title

Function

Adjustment range

 

Default setting

 

 

H

Inverter trip retention selection

0: Canceled with the power off

 

0

 

 

1: Still retained with the power off

 

 

 

 

 

 

 

+The causes of up to four trips that occurred in the past can be displayed in status monitor mode.

+Data displayed in status monitor mode when the inverter is tripped is cleared when power is turned off. Past trip records can be displayed.

+Trip records are retained even if power is turned off and turned back on during retry operation.

Flow of operation when H=

Occurrence of a

trip

Reset the inverter by panel or terminal operation.

Turn power off, then turn it back on to reset the inverter.

Completion of reset

If the cause of the trip is not eliminated

If the cause of the trip is eliminated

Normal operation

The relay trips again. Display of the cause Failure signal FL

activated

Trip state is retained Display of the cause Failure signal FL not

activated

F-56

Page 152
Image 152
Toshiba VF-FS1 instruction manual ,  Inverter trip retention selection