Mitsubishi SSCNET

found a meldas 300 controller with most of the parts. got it working and initializing a MR-S11 drive. hooked up a logic analyzer and it looks fairly straight forward... next, i need to get the motor spinning and rig up some kind of an interface board...

finally got the thing spinning with with my new hardware



 

I wonder did you fully reverse engineer the commands for velocity mode?
Are you sending exactly the same values as the original controllers do for the selected RPM?
When I had a look at it last time I found out that the values don't directly translate to the requested RPM value, at least there's no linear mapping, it is a little bit off from time to time.

do you mean for a spindle? haven't looked at it yet.
i would be surprised if servos have velocity control... or do they?