I've been giving a little advice and help to a student
retrofitting a mill in the Technology department machine
shop. He has stripped out the old Delta control and has
wired in a 7I77 connected to a 5I25. I sat down with
him and went through pncconf, but when we got to
actually trying to make things move, I discovered he
didn't have any 24V field power wired up. Came back
a few days later to make more progress. No luck. Here
is the situation:
1. The 7I77 jumper W1 had been left in the default (left)
position when 24V was applied to VFIELD. This caused
CR15 and CR16 to light.
2. After removing VFIELD, moving W1 to the right, and reapplying
VFIELD, all led's except CR3 are off.
3. Since CR1 was off, I checked the 5I25 jumpers, and found
W1 up but W2 down. Moved W2 up also, still no CR1 lit on 7I77.
4. LinuxCNC obviously won't start successfully. Dmesg shows 5I25
found, registered, initialized, then dropped. Linuxcnc_debug.txt
shows:
Can not find -sec MOT -var MOT -num 1
Can not find -sec IO -var IO -num 1
Can not find -sec LINUXCNC -var NML_FILE -num 1
Can not find -sec EMC -var NML_FILE -num 1
These sound to me like ini/hal file problems, but ini and hal are
straight out of pncconf, which seemed to run fine.
So, I suspect I've got multiple problems, but I would very much
appreciate help sorting them out. I haven't used the 5I25 and 7I77
before (just lots of time with the 7I43).
Thanks,
-- Ralph
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