Re: PC serial port to VFD speed control ??

Andrew,

A Google search of 'rs232 rs485 converter', brought up about 5,000
responses.

Bernard

> Hi,
>
> I'm looking to control the spindle speed of my mill conversion
> (running TurboCNC under DOS) by talking to the VFD via the serial
> port. (Turbo CNC has a placeholder for customising the spindle

speed

> command)
>
> Most VFD's seem to be 'RS485' communications and not the 'RS232'

your

> average PC is equipped with.
>
> Is there an easy / cheap way to convert from one to the other bi-
> directionally ?
>
> Andrew Mawson
> Bromley, Kent, UK