Toshiba VF-AS1 instruction manual Synchronized acceleration/deceleration signal

			E6581301
[Parameter setting]
Title	Function	Adjustment range	Default setting
		￿:Disabled
		￿:Power ride-through
		￿: Deceleration stop during power failure:
￿￿￿	Regenerative power ride-through	￿:Synchronized deceleration/acceleration	￿
	control selection	(synchronized acceleration/deceleration signal)
		￿:Synchronized deceleration/acceleration
		(synchronized acceleration/deceleration
		signal+power failure)
￿￿￿￿	Non-stop control time/Deceleration	￿￿~￿￿￿￿ sec.	￿￿
	time during power failure
￿￿￿￿	Synchronized deceleration time	￿￿~￿￿￿￿ sec.	￿￿
￿￿￿￿	Synchronized acceleration time	￿￿~￿￿￿￿ sec.	￿￿
￿￿￿￿￿ Under voltage detection level		￿￿~￿￿ %, ￿￿: Automatic mode	￿￿￿
￿￿￿￿ Regenerative power ride-through control level		￿￿~￿￿￿ %	￿￿

Note 1: The power ride-through control time when ￿￿￿=￿ depends on the setting of ￿￿￿￿, and the deceleration time when ￿￿￿=￿ depends on the setting of ￿￿￿￿.

Also, the deceleration time and the acceleration time when ￿￿￿=￿ or ￿ depend on the setting of

￿￿￿￿and that of ￿￿￿￿, respectively.

Note 2: Even if these functions are used, a motor may coast according to load conditions. In this case, use the auto-restart function along with this parameter function.

Note 3: These functions do not operate at the time of torque control.

Note 4: Jog run function doesn't operate at synchronized acceleration/deceleration.

Note 5: Although the setting of ￿￿￿￿ can be written when ￿￿￿ is set to ￿ (non-stop control), it cannot be written when ￿￿￿ is set to ￿ (momentary power failure slowdown stop).

Note 6: For the parameter ￿￿￿￿￿100% corresponds to 200V (200V class) or 400V (400V class).

■An example of setting when ￿￿￿=￿ [When power is interrupted]

5		*1
	￿ Input voltage
		￿￿￿￿￿
	Internal DC	￿￿￿￿￿
	voltage level

Motor speed"

Regenerative power

ride-through control selection

Coasting stop

About 100ms$10s

#The time for which the operation of the motor

can be continued depends on the machine

inertia and load conditions. Before using this

function, therefore, perform verification tests.

#Use with the retry function allows the motor to

be restarted automatically without being

brought to an abnormal stop.

%&'" Note: If power is interrupted during deceleration stop, power ride-through control will not be performed."

[If momentary power failure occurs]

*1

￿ Input voltage "
	￿￿￿￿￿
Internal DC"	￿￿￿￿￿
voltage level"

Motor speed"

Non-stop control￿

Normal acceleration￿

*1'" Note: If power is interrupted during deceleration stop, power ride-through control will not be performed."

E-34