Cleveland Range inverter Function 1 Group FU1, Parameter Description FU1, FU1-03:Run Prevention

Chapter 4 - Parameter Description [FU1]

4.2 Function 1 Group [FU1]

FU1-00: Jump to Desired Code #

Jumping directly to any parameter code can be accomplished by entering the desired code number.

FU1-03: Run Prevention

This function prevents reverse operation of the motor. This function may be used for loads that rotate only in one direction such as fans and pumps.

Setting Range		Description
Select	Display
None	0	Forward and reverse run is available.
Forward	1	Forward run is prevented.
Prevention
Reverse	2	Reverse run is prevented.
Prevention

FU1-05: Acceleration Pattern

FU1-06: Deceleration Pattern

Different combinations of acceleration and deceleration patterns can be selected according to your application.

Setting Range		Description
Select	Display
Linear	0	This is a general pattern for constant
		torque applications.
		This pattern allows the motor to
		accelerate and decelerate smoothly.
		The actual acceleration and
		deceleration time takes longer- about
S-Curve	1	40% than the time set in DRV-01 and
		DRV-02.
		This setting prevents shock during
		acceleration and deceleration, and
		prevents objects from swinging on
		conveyors or other moving equipment.
		This pattern provides more efficient
U-Curve	2	control of acceleration and deceleration
		in typical winding machine applications.
		The inverter makes shorten the
		acceleration time by accelerating with a
		current rate of about 150% of its rated
		current and reduces the deceleration
		time by decelerating with a DC voltage
		rate of 95% of its over-voltage trip level.
Minimum	3	Appropriate application: When the
		maximum capability of the inverter and
		the motor are required.
		Inappropriate application: The current
		limit function may operate for a long
		period of time for loads that have high
		inertia such as fans.
		The inverter accelerates with a current
Optimum	4	rate of about 120% of its rated current
		and decelerates with a DC voltage rate
		of 93% of its over-voltage trip level.

☞Note: In case of selecting the ‘Minimum’ or ‘Optimum’, the DRV-01 [Accel Time] and DRV-02 [Decel Time] is ignored.

☞Note: ‘Minimum’ and ‘Optimum’ functions operate normally when the load inertia is less than 10 times compared to the motor inertia. (FU2-37)

☞Note: ‘Optimum’ is useful when the motor capacity is smaller than the inverter capacity.

☞Note: ‘Minimum’ and ‘Optimum’ functions are not appropriate for down operation in an elevator application.

39