[chbot] RS232 FILTER

[Mark Atherton]

Is this a new phenomenon, or has it only recently become a problem ?

On 25/10/2022 10:31 AM, Marshland Engineering wrote:
> I have a CNC mill with a RS232 port. If I leave the cable connected to the
> pendant, any spike in the workshop upsets the CNC control. Turing some things
> on or welding etc. It is 40 years old so the internal caps may be a bit dogy.
> I was wondering where I could find a filter off the shelf (too many other
> projects to make new) that I can put in the line. Maybe something I can easily
> modify. It only works at 9600 baud so low bandwidth.
> 
> Cheers Wallace
> 
> 
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