The right voltage for my Stepper Motors in order not to lose steps

[jhonansaro]

Hi Neale

I am sorry not to mention those. My controller is Mach3, and I am connected to my BOB via a Parallel Port.

Regards
jhonansaro

[jhonansaro]

Hi neale and m_c

On the issue of Step Pulse and Dir Pulse, Do I have to set these 1.5 us and 5 us in my Motor Tuning Setup config.?
If it is so, presently their value is set at 0 for both of them.

Please confirm.

Also Neale, Could you tell me how can I set the value for step signal polarity?

Regards
Jhonansaro

[Neale]

On the motor tuning configuration page for each axis there is a box for pulse timings. I'm not sure if you can set 1.5 for the step pulse length but 2 would be fine (1.5 is a minimum). There is an internal value for pulse timing that Mach3 uses anyway and the value you give here is added on. I would be surprised if it makes much difference to your problem but it is such an easy thing to do, it's worth checking. Set 5 for the direction pulse length.

For step signal polarity, go to config->ports and pins->motor output. There is a box for step signal polarity which has either a tick or a cross. Click to change it for the axis that is giving problems.

[jhonansaro]

Hi Neale

thanks a lot for your reply.
do you have any recommendation for the general Logic configuration page settings?
also on sherline mode, and Kernel speed do you have any recommendation?

Regards
jhonansaro

[Neale]

I'm sorry but I can't really help with those things. I actually use an external motion control board (a CSMIO-IP/M) which means that some of the parameters that are used with a parallel port do not apply and even if I gave you a copy of my settings, they might be wrong for your machine. Same for Sherline - you are more likely to find that information from a US site where Sherline is much more popular. Kernel speed - 25KHz is probably a good starting point but again, my system does not use that value anyway.

I don't want to sound unhelpful but this is reaching the point where I just do not know the answers. I have never used Mach3 in parallel port mode. Good luck!