Toshiba VF-A7 Display the motor speed and the load speed,  ：Frequency free unit magnification

6.29.3 Display the motor speed and the load speed

 ：Frequency free unit magnification

・Function

This parameter is used to convert the monitored or parameter-set frequency into the rotating speed of the motor or the speed of the load.

■Value displayed

The LED displays the value obtained by multiplying the monitored or parameter-set frequency by the value set with .

Displayed value＝Monitored frequency or frequency set with a parameter×

Value set with 

Note) If the display value is more than ,4digit from the left and  are displayed alternately. (Ex. alternate display “⇔” for the value .)

■Examples of setting

1) Display of the rotating speed of the motor

To switch from the operation frequency (default setting: 60 Hz) to the rotating speed of the 4P motor (1800 min-1)

	
 = (OFF)	 = 

(× = )

2) Display of the speed of the load

To switch from the operation frequency (default setting: 60 Hz) to the speed of the load (6 m/min-1.)



 = (OFF)

[Parameter setting]



 =  (× = )

Title	Function	Adjustment range	Default setting
	Frequency free unit magnification	: OFF, ～	

Note: This parameter is to display the value obtained by multiplying the output frequency of the inverter by an integer. Therefore, the value calculated from the output frequency is always displayed regardless of fluctuations of the rotating speed of the motor due to fluctuations of the load.

6.29.4 Column number below decimal point of Frequency, Acc/dec time

 ：Decimal place number of frequency

 ：Decimal place number of Acceleration/deceleration time

・Function

These parameters are used to change the number of decimal places of the monitored or parameter-set frequency, acceleration time or deceleration time displayed.

■Example of setting

Title	Function		Adjustment	Default	Value displayed after
			range	setting	change (example)
	Decimal place number of		: 1 [Hz]		
			: 0.1 [Hz]		
	frequency
			: 0.01 [Hz]		
		F-67