dm860a driver

does anyone know the step time, step space, direction hold and direction setup numbers for Longs dm860a drivers. any help would be appreciated. thank you.

Try these from my Longs motor DM542a's

Some might say these are too short but they work for me on a Mesa 7i76e. If in doubt, double them.

I think the dm860 are a bit slower. Couldn't find exactly the dm860a, but the manuals for dm860m and dm860 both say > 2.5 microseconds for steps and > 5 microseconds for direction.

the DM860 A verison is a clone of the 880 with low level fet

you shoudt start standard at
# these are in nanoseconds
DIRSETUP = 15000
DIRHOLD = 10000
STEPLEN = 5000
STEPSPACE = 5000


i got in the 880
DIRSETUP = 8000
DIRHOLD = 5000
STEPLEN = 3500
STEPSPACE = 3500

Running 12meter/min at 100Steps/mm

The manual for the dm880 says 5 microseconds for direction change and larger than 1.2 microseconds for step, so that was an odd advice.