Thanks Finn.

I’ll add the 2 zeners to the EC3 and test it.
I thought the reprogramming of the chips was right.
MPLABS reported them to be good.

Steve




> On 23 Jun 2020, at 9:56 pm, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>
> Attached is an excerpt of the EC3 CAS input conditioning circuit without added clamping circuit and with.
>
> Finn
>
> On 6/22/2020 10:02 PM, Stephen Izett stephen.izett@gmail.com wrote:
>> Thanks Finn. Did you previously give us a the circuit? Do you have a sketch of it?
>>  I’ll mod the EC3 and see if that is the problem.
>>
>> Cheers
>>
>> Steve Izett
>
>
> <EC3 CAS input with clamp.pdf><EC3 CAS input.pdf>--
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.html