Re: Agilent Encoder Pull-up resistor

Hi, Shadi.
Don't change pull-up resistor, use recomended by Agilent.
Try to test yours servo with short test cable.
Leo

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "shadi_salhab_78" <salhab@...>
wrote:

>
> Hi all ,
> I've installed an Agilent Encoder HEDS 5500 on a servo motor to
> conunnicate with rutex drive , the problem is that it only read pulses
> on very low RPM , if I rise RPM it stops reading , I have put a
> pull-up resistor mentioned in Agilent data sheet, the result is drive
> reads at a higher RPM, I kept increasing the pull-up resistor value
> until I reached 4K ohm each but no more then 600 RPM , which is not
> sufficient , is it supposed to be the situation with Agilent encoders
> ? or there is some problem with the encoder? Should I try to use
> differential encoders?
>
>
> Thanks,
>
> Shadi
>