What should be a relatively simple task has hit a snag. I have an older M&M precision A axis table, dc motor with a tach and a 2048 cpr encoder. I cant say i have ever set up a rotary axis before, and Im pretty sure I have missed something simple. using a known working config, I added a section to the ini and hal files. Set up is a RSPI 3 with a 7i90/7i33 in spi , a known working combo(and handy for bench testing). The table is driven with an AMCI 16a20 amp, setup works using a 5v battery as source. When hooked up to the 7i33 and commanded to jog , it runs away the following error distance, then trips the following error, when reset it takes off the other way. Encoder seems to count. I believe the ratio is 90:1 , so my math says( (2048x4) x90)/360)=2048- which is my input scale. I am missing something, and I couldn't find any examples of a rotab set up. Ini and hal attached, all and any help appreciated.
Ill add, the encoder is mounted on the worm, not the end of the motor, maybe the scale need to be inverted?
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