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Topics - rognets

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1
Like many others on many forums I have just spent my weekend and many evenings attempting to get my new CHEAP 2.2Kw Spindle and Huanyang VFD working with Mach3 using RS485 and Matt Zee's plug-in.

As it has been discovered by others that the RS485 chip (IC U4) is missing form many units purchased by forum members.
http://www.machsupport.com/forum/index.php/topic,14182.0.html
Be aware of this, If you plan to only use the VFD with manual or switched control that is OK, If you plan to use RS232 to RS485 for control then you not be able to do so.

I thought I should highlight this shortcoming by starting a new link and hopefully save many hours of wasted research by others!!!!

Good Luck

Steve

"I am beginning to realise that my learning curve may be a circle"

2
I am sure these questions have been asked and answered many times in this forum, but I cn't find the answer I am looking for.

New home built 3 axis machine I have it up and running and have spent many weeks tuning and cutting. I have two questions.

1   What are some general guidelines for adjusting the driver current output. Using a 36v supply, 7A drivers on 3v 5A stepper
     ( how do i set the current adjustment, do you load the motors? )

2   Micro stepping - Which one should I use? The drivers I am using have 1, 2, 4, 16 micro-steps.
     ( curently setup with 16th steps and runs smoothly but maybe lacks power/ torque )

Any general comments greatly appreciated


Rognets

Pages: 1