Toshiba VF-S9 manual Setting current stall, Inverter trip retention, Stall prevention level

E6580757

6.15.2 Setting current stall

: Stall prevention level

• Function This parameter reduces the output frequency by activating a current stall prevention function against

a current exceeding the -specified level.

■Parameter setting

Title	Function	Adjustment range	Default setting
	Stall prevention level	10 ∼ 199 (%), 200: Disabled	150

[Display during an alarm status]

During an 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, " " is displayed flashing on and off.

Example of display

6.15.3 Inverter trip retention

6

: Inverter trip retention selection

• Function

If the inverter trips, this parameter will retain the corresponding trip information. Trip information that has thus been stored into memory can be displayed, even after power has been reset.

[Parameter setting]

Title	Function	Adjustment range	Default setting
	Inverter trip retention selection	0: Not retained	0
		1: Retained

★Up to four sets of latest trip information displayed in status monitor mode can be stored into memory.

★When power is turned back on, trip data in the status monitor mode (such as trip current and voltage) will not be stored.

Panel (terminal) reset

Inverter tripped

Power reset

Error information reset	Normal operation
Power turned back on:	Inverter tripped again:
Error displayed	Error displayed
FL deactivated	FL activated

Only when the cause of the error or other errors has not yet been removed

F-43