Toshiba VF-A7 Over-voltage stall protection level, Under-voltage trip, UV stall level

6.25.12 Over-voltage stall protection level

 ：Over-voltage stall protection level(high response)

 ：Over-voltage stall protection level

＊Refer to 6.13.5 for details.

6.25.13 Under-voltage trip

 ：Under-voltage trip mode

 ：Under-voltage detection time

・Function

This parameter is to select the action when detecting an under-voltage. (Invalid, while the inverter stops.) If  is set at (Enabled), it is necessary to set, with , the time elapsed before the inverter trips after the detection of an under-voltage.

＝：Disabled・・・・Inverter stops, but does not trip.(FL is not active)

＝：Enabled・・・・The inverter trips if an under-voltage passes for the time

set with  or over. (FL is active)

Title	Function	Adjustment range	Default setting
	Under-voltage trip mode	: Disabled, : Enabled	
	Under-voltage detection time	～ [s]	

6.25.14 UV stall level

 ：Under-voltage stall level

・Function

This parameter is used to set the operation level of the regenerative power ride-through control and the deceleration stop. (Refer to 6.13.2)

Title	Function	Adjustment range	Default setting
	Under-voltage stall level	～ [%]	

6.25.15 System-supporting sequence (B-timer)

 ：System-supporting sequence (B-timer)

・Function

This parameter is used to set the waiting time for answer from system(Input terminal function setting: System-supporting sequence (BA:,) ). After start of operation, if no answer is received in set time(), the inverter trips().

Title	Function	Adjustment range	Default setting
	System-supporting sequence (B-timer)	: Invalid	
		～ [s]

F-61