How to parameterize a motor with a single VFD while the motor travels or rotates in ?

[danishdeshmuk]

How to parameterize a motor with a single VFD while the motor travels or rotates in 2 directions (you may say reverse and forward directions) travels in 1 direction for some distance and then returns back to its mean position or starting position ?

Which parameters would be very important ?

Also how to hard wire it (how to hook up the setup) ?

thanks

 

[petersonra]

There is not enough information in your question to give you a reasonable answer. The answer depends on the actual application and the drive model so much that without detailed information on both there is no way to give you an answer.

I would point out that appropriate application information would include such things as whether you are trying to do actual positioning with the drive and if so just how you plan to accomplish that positioning, and how precise that positioning has to be.

 

[ptonsparky]

Sounds like fun. How big is this machine 3lbs ... 300?

 

[danishdeshmuk]

There is not enough information in your question to give you a reasonable answer. The answer depends on the actual application and the drive model so much that without detailed information on both there is no way to give you an answer.

I would point out that appropriate application information would include such things as whether you are trying to do actual positioning with the drive and if so just how you plan to accomplish that positioning, and how precise that positioning has to be.

The drive is 3.7KW YASKAWA H1000 drive or G7 Drive ....

The motor make to run the trolley to take the billet (or move with the billet) till the gas cutter fitted on the trolley completely cuts the billet in required size it can be 3m or 6m or 9m in length .

thanks

 

[petersonra]

The drive is 3.7KW YASKAWA H1000 drive or G7 Drive ....

The motor make to run the trolley to take the billet (or move with the billet) till the gas cutter fitted on the trolley completely cuts the billet in required size it can be 3m or 6m or 9m in length .

thanks

There is a lot of info needed to help you that you are not providing.

Positioning implies there is an encoder or some other means of getting position information.

Are you trying to do the positioning inside the drive? Or with some external controller?

How precise does the positioning have to be?

What is the resolution of the position measuring means?

How are you planning to select the cut length?

 

[ptonsparky]

What Bob said. Plus

How quickly do you need to accomplish the entire cycle?

Will you need added braking?

Mechanical or via the VFD and or braking resistors?


I am not overly skilled at this but one of the projects we were involved with clamped the table that held the cutting device to the product at the start of each cut, and released it to return home at the finish. They used air, with a small PLC and an encoder. No VFD involved.

We were working with plastic sheets and low speeds.

 

[danishdeshmuk]

What Bob said. Plus

How quickly do you need to accomplish the entire cycle?

Will you need added braking?

Mechanical or via the VFD and or braking resistors?


I am not overly skilled at this but one of the projects we were involved with clamped the table that held the cutting device to the product at the start of each cut, and released it to return home at the finish. They used air, with a small PLC and an encoder. No VFD involved.

We were working with plastic sheets and low speeds.

no encoder ........ no need for positioning
but yeah definitely be there is PLC for controlling with its internal timers

we can use encoder to cut the length in required sizes and can also use the first time reference length manually and then once the system saves the exact time then turn to automatic option so that the system takes the same time ..........

 

[petersonra]

no encoder ........ no need for positioning
but yeah definitely be there is PLC for controlling with its internal timers

we can use encoder to cut the length in required sizes and can also use the first time reference length manually and then once the system saves the exact time then turn to automatic option so that the system takes the same time ..........

unless you are willing to live with cut lengths that vary by inches or feet, this idea just will not work.