Hi Tomaz, I'm using 4 Bergerda's on my LinuxCNC mill. From PC to 7i92H to PMDX126 step/dir/enable signals to a custom level translator for differential signals to the driver with a fault signal for feedback. Later this evening I'll go down and grab all the config values. I do have some written down on one of the manuals but I can't find that one at the moment. Here's the HAL section for the X axis: [AXIS_X] MIN_LIMIT = -0.04 MAX_LIMIT = 13.5 MAX_VELOCITY = 3.0 MAX_ACCELERATION = 15 #******************** # Joint 0 #******************** [JOINT_0] TYPE = LINEAR HOME = 0.0 FERROR = 0.5 MIN_FERROR = 0.1 MAX_VELOCITY = 3.0 MAX_ACCELERATION = 15 # The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION # If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger. STEPGEN_MAXVEL = 3.75 STEPGEN_MAXACCEL = 30 P = 1000.0 I = 0.0 D = 0.0 FF0 = 0.0 FF1 = 1.0 FF2 = 0.0 BIAS = 0.0 DEADBAND = 0.0 MAX_OUTPUT = 0.0 # these are in nanoseconds DIRSETUP = 30000 DIRHOLD = 30000 STEPLEN = 3000 STEPSPACE = 3000 STEP_SCALE = 15000.0 MIN_LIMIT = -0.04 MAX_LIMIT = 13.5 # tested backlash at 4.2" from home 14MAR2020 BACKLASH = 0.023 HOME_OFFSET = -0.1 HOME_SEARCH_VEL = -0.8 HOME_LATCH_VEL = 0.01 HOME_FINAL_VEL = 0.2 HOME_IGNORE_LIMITS = YES HOME_VOLATILE = 1 HOME_SEQUENCE = 1 > -----Original Message----- > From: Tomaz T. [mailto:tomaz_...@hotmail.com] > Sent: February 5, 2025 2:15 AM > To: emc-users@lists.sourceforge.net > Subject: [Emc-users] Bergerda AC servo drive setup for Lcnc > > I have a 400W AC servo with an SDD drive from Bergerda to test on one of the > axes. I'm not sure how to properly set the driver's settings to work with Lcnc in > closed loop, as setting only parameter #4 to 5 (Open loop operation mode) > doesn't do the trick. I believe some users have successfully tuned these with > Lcnc. > Link to driver's manual: https://en.bergerda.com/filedown.php?id=31 > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
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