New 7i95t Open Loop Stepper Driver Issues

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1 year 3 months ago #331681 by PCW
There is no specific driver for the 7I95T, its supported by LinuxCNCs hm2_eth driver.

Normally you don't need to do anything with the on card firmware unless you have some
specific different I/O requirements. ( Like you want one step/dir output to be PWM/DIR or
you have parallel daughtercard  )

Not sure what explains the initial lack of functioning, possible an issue with the 7I76
config file conversion.

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1 year 3 months ago #331684 by tommylight

pulse width was already 100,000 ns so that wasn’t the issue.
Was that "base-period" ?
Pulse width is 5000 by default, base period is 100000 by default, if not set otherwise, but base period is only present when you select using a parallel port, and this might have been the issue with stepgen numbering etc...

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