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7I90HD with Raspberry pi and getting weird joint 0 following errors
5 years 8 months ago - 5 years 8 months ago #200719
by creisey
Replied by creisey on topic 7I90HD with Raspberry pi and getting weird joint 0 following errors
i made a config with the pncconf that works
there are two things
1. im not sure if the shared home switch for x & x2 are correct set
2. ferror seems to be a bit high
what do you think?
there are two things
1. im not sure if the shared home switch for x & x2 are correct set
2. ferror seems to be a bit high
what do you think?
Last edit: 5 years 8 months ago by creisey.
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5 years 8 months ago #200723
by PCW
Replied by PCW on topic 7I90HD with Raspberry pi and getting weird joint 0 following errors
You should be able to set the ferror and min ferror much smaller
also all lines like: setp pid.?.maxerror .0005 should be commented out
You can further improve the following error by using the DPLL:
# latch stepgen position feedback 100 usec before nominal read time:
setp hm2_[HOSTMOT2](BOARD).0.dpll.01.timer-us -100
setp hm2_[HOSTMOT2](BOARD).0.stepgen.timer-number 1
also all lines like: setp pid.?.maxerror .0005 should be commented out
You can further improve the following error by using the DPLL:
# latch stepgen position feedback 100 usec before nominal read time:
setp hm2_[HOSTMOT2](BOARD).0.dpll.01.timer-us -100
setp hm2_[HOSTMOT2](BOARD).0.stepgen.timer-number 1
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