Chapter 4 Parameters

The parameter determines how the motor is stopped when the AC motor drive receives a valid

stop command.

Output

Output

Frequency

Frequency

 

Operation

Command RUN

 

Time

 

 

 

STOP

Operation

RUN

Command

Free running to stop

STOP

Time

Ramp to stop: the AC motor drive decelerates from the maximum output frequency (Pr. 01-

00)to minimum output frequency (Pr. 01-09) according to the deceleration time and then stop.

Coast to stop: the AC motor drive stops the output instantly upon a STOP command and the motor free runs until it comes to a complete standstill.

(1)It is recommended to use “ramp to stop” for safely of personnel or to prevent material from being wasted in applications where the motor has to stop after the drive is stopped. The deceleration time has to be set accordingly.

(2)If the motor free running is allowed or the load inertia is large, it is recommended to select “coast to stop”. For example, blowers, punching machines and pumps.

The stop method of the torque control is also set by Pr.00-22.

 

00-23

Reverse Operation

 

 

 

 

 

 

 

 

Control

VF

VFPG

SVC FOCPG TQRPG

Factory setting: 0

 

mode

 

 

 

 

 

 

 

 

Settings

0

Enable reverse

 

 

 

 

1

Disable reverse

 

 

 

 

2

Disable forward

 

This parameter enables the AC motor drives to run in the Reverse Direction. It may be used to

prevent a motor from running in a direction that would consequently injure humans or damage

the equipment.

Revision August 2008, 03VE, SW V2.04

4-49

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Delta Electronics VFD-VE Series manual 00-23, Reverse Operation
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VFD-VE Series specifications

Delta Electronics VFD-VE Series is a state-of-the-art variable frequency drive (VFD) designed to enhance energy efficiency and improve the operational capabilities of various industrial applications. Renowned for its reliability and performance, the VFD-VE Series serves a diverse range of sectors including manufacturing, HVAC, and water treatment.

One of the primary features of the VFD-VE Series is its advanced control algorithms, which provide precise speed and torque control for AC motors. The series utilizes a vector control method that enables excellent dynamic response and a wide speed range. This is particularly beneficial for applications requiring variable speeds or precise positioning, as it ensures smooth acceleration and deceleration while maintaining optimal performance.

The VFD-VE Series stands out with its Energy Saving Technology. By intelligently optimizing motor control parameters based on the load, the VFD can significantly reduce energy consumption. This built-in functionality not only helps companies save on electricity costs but also contributes to a lower carbon footprint, aligning with global sustainability efforts.

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The VFD-VE Series is built to withstand harsh industrial environments. Its robust design includes features such as IP20 or IP55 ingress protection ratings, ensuring reliable operation even in dusty or humid conditions. Furthermore, the drives are equipped with advanced thermal management systems that prevent overheating, thereby prolonging the lifespan of the equipment.

Safety is also a priority in the VFD-VE Series, which incorporates multiple safety features such as overvoltage, undervoltage, and overcurrent protection. These safeguards help protect both the drive itself and the connected machinery, minimizing downtime and reducing maintenance costs.

Overall, Delta Electronics VFD-VE Series combines cutting-edge technology, energy efficiency, and robust design to meet the dynamic needs of modern industrial automation. With its advanced features and reliable performance, it is an ideal choice for businesses aiming to optimize their processes and achieve greater energy savings.
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