Toshiba VF-A7 instruction manual Special analog input

6.26 Special analog input

 ：Acceleration/deceleration base frequency adjustment

 ：Upper-limit frequency adjustment

 ：Acceleration time adjustment

 ：Deceleration time adjustment

 ：Manual torque boost adjustment

・Function

The function is to make it possible to change the fixed settings of some paramete rs by means of external analog signals.

1) Acceleration/deceleration base frequency adjustment

If this parameter is so set, The signal from the terminal VI, II or RR can be used as data for the adjustment of acceleration/deceleration time reference frequencies. This function is useful for performing proportional operation. Frequency adjustment range: 30 to 400 Hz.

Title	Function	Adjustment range	Default setting
	Acceleration/deceleration base	: Invalid
		: VI/II	
	frequency adjustment
		: RR

2) Upper-limit frequency adjustment

The signal from VI, II or RR can be used as the upper limit frequency.

Adjustment range: 0～(The frequency cannot be set above the upper-limit frequency ().)

Title Function

 Upper-limit frequency adjustment

Adjustment range

: Invalid

: VI/II

: RR

Default setting



3) Acceleration time adjustment

Using reference input from VI, II or RR, acceleration time set with the parameter  (or acceleration time #2, #3 or #4) can be multiplied the by factors of 1.0 to 10.0 . 10% of reference input act as multiply factor of 1.0 .

Title	Function
	Acceleration time adjustment

Adjustment range

: Invalid

: VI/II

: RR

Default setting



4) Deceleration time adjustment

Using reference input from VI, II or RR, deceleration time set with the parameter  (or deceleration time #2, #3 or #4) can be multiplied the by factors of 1.0 to 10.0 . 10% of reference input act as multiply factor of 1.0 .

Title	Function
	Deceleration time adjustment

Adjustment range

: Invalid

: VI/II

: RR

Default setting



5) Manual torque boost adjustment

Using reference input from VI, II or RR, manual torque boost set with the parameter  (or ,  or ) can be multiplied the by factors of 0.0 to 2.5 .

Title Function

 Manual torque boost adjustment

Adjustment range

: Invalid

: VI/II

: RR

Default setting



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