> I had SERIOUS problems with my X200 VFD and RS485 bus- I "mostly" fixed it.
>
> Here's the thing- yes, RS485 is differential, but the VFD is probably
> NOT opto-isolated input. Differential conveys strong noise immunity-
> but ONLY when both A and B wires' voltages are within the input range
On Saturday 02 April 2016 07:04:14 Nicklas Karlsson wrote:
> > I had SERIOUS problems with my X200 VFD and RS485 bus- I "mostly"
> > fixed it.
> >
> > Here's the thing- yes, RS485 is differential, but the VFD is
> > probably NOT opto-isolated input. Differential conveys strong noise
> > immunity-
> On Mar 28, 2016, at 6:01 PM, Gene Heskett wrote:
>
> On Monday 28 March 2016 19:48:26 Gene Heskett wrote:
>
>> On Monday 28 March 2016 16:21:36 jeshua wrote:
On Mar 26, 2016, at 7:50 AM, Sarah Armstrong
wrote:
this all depends if you have connected the EN - ( enable - )
