Ok, thanks Alex, I seem to be getting there if a little slowly. I changed the BASE_PERIOD down to 15,000 and got an error "RTAPI: ERROR: Unexpected realtime delay on task 1" so I changed it to 20,000 and it is running fine.
There is one thing I can't get a handle on - the jog speed of the A-axis now wants to go in excess of 10,000 which is way beyond the range of the stepper (its OK up to about 2200). I changed the MAXIMUM_OVERRIDE from the 5.0 I had it at to 1.0 and I can get all the motions under control, however, I don't seem to be able to find a way to set the "Jog Speed" settings in AXIS to a realistic value. Each time I shut down and restart EMC2, they go to silly values like 10,000 degrees/sec for the angular axis and I have to move the slider back by hand to around 2,000. Where are these values set - I assume that they too must be a complicated multiplication of several other values?? If so how do you work out a suitable figure? Since I changed the BASE_PERIOD, the linear axes atr also moving faster and I'm struggling to understand how the speed figures are actually arrived at... for instance, the BASE_PERIOD is now 20,000 and for the X-axis, the INPUT_SCALE is -400, the MAX_VELOCITY is set to 4.0 and the speed the axis shows in AXIS when moving under a G0 or Jog is 240 - I can't get the figures to make sense..... Thanks, -- Best wishes, Ian ____________ Ian W. Wright Sheffield UK "The difference between theory and practice is much smaller in theory than in practice..." ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
