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  • farmer_mike
  • farmer_mike
12 Sep 2025 13:35 - 13 Sep 2025 01:36
Replied by farmer_mike on topic Getting (hopefully) close to an Rtelligent build

Getting (hopefully) close to an Rtelligent build

Category: EtherCAT

I have made some big progress lately. I have the limit switches and homing switches working. I also have the E stop working.

My issue is the RS750E AC servos shake quite a bit. Without the drive belts installed, the servos will sit and shake after completing a move. With the drive belts on, the system moves in the correct direction, but does so in a shaky manner.

My hypothesis is too much integral gain. I believe the problem is because I started with the stepper motor examples. Maybe there are some PID gains inside the drive that I need to configure.

I think what I need are the drive gains set with the SDO parameters inside the XML file.

Thanks for all the help

###########################################################
#
# CIA 402 example snippet Hal
#
###########################################################

###########################################################
# Setup
###########################################################

loadrt [KINS]KINEMATICS
loadrt [EMCMOT]EMCMOT servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[KINS]JOINTS


loadusr -W lcec_conf ethercat-conf.xml
#loadusr -W /home/cnc/linuxcnc/configs/linuxcnc-cia402-single/python_control.py

loadrt lcec
loadrt cia402 count=3
loadrt pid names=0-pid,1-pid,2-pid

loadrt bitslice count=6 personality=32,32,32,32,32,32
addf bitslice.0 servo-thread
addf bitslice.1 servo-thread
addf bitslice.2 servo-thread
addf bitslice.3 servo-thread
addf bitslice.4 servo-thread
addf bitslice.5 servo-thread

loadrt conv_s32_u32 count=6
addf conv-s32-u32.0 servo-thread
addf conv-s32-u32.1 servo-thread
addf conv-s32-u32.2 servo-thread
addf conv-s32-u32.3 servo-thread
addf conv-s32-u32.4 servo-thread
addf conv-s32-u32.5 servo-thread



###########################################################
# Functions servo-thread
###########################################################

addf lcec.read-all servo-thread
addf cia402.0.read-all servo-thread
addf cia402.1.read-all servo-thread
addf cia402.2.read-all servo-thread

addf motion-command-handler servo-thread
addf motion-controller servo-thread

addf 0-pid.do-pid-calcs servo-thread
addf 1-pid.do-pid-calcs servo-thread
addf 2-pid.do-pid-calcs servo-thread

addf cia402.0.write-all servo-thread
addf cia402.1.write-all servo-thread
addf cia402.2.write-all servo-thread
addf lcec.write-all servo-thread


#########################################
#nets
#########################################
net emc-enable => iocontrol.0.emc-enable-in
sets emc-enable 1

#config


#
# Joint 0
#
setp cia402.0.csp-mode 1
setp cia402.0.pos-scale 786432


#from servo(ethercat) to cia402
net 0-statusword lcec.0.0.cia-statusword => cia402.0.statusword
net 0-opmode-display lcec.0.0.opmode-display => cia402.0.opmode-display
net 0-drv-act-pos lcec.0.0.actual-position => cia402.0.drv-actual-position
net 0-drv-act-velo lcec.0.0.actual-velocity => cia402.0.drv-actual-velocity

#from motion to cia

net 0-enable <= joint.0.amp-enable-out => cia402.0.enable
net 0-amp-fault => joint.0.amp-fault-in <= cia402.0.drv-fault
net 0-pos-cmd <= joint.0.motor-pos-cmd => cia402.0.pos-cmd
net 0-pos-fb => joint.0.motor-pos-fb <= cia402.0.pos-fb


#from cia402 to servo(ethercat)
net 0-controlword cia402.0.controlword => lcec.0.0.cia-controlword
net 0-modes-of-operation cia402.0.opmode => lcec.0.0.opmode
net 0-drv-target-pos cia402.0.drv-target-position => lcec.0.0.target-position
net 0-drv-target-velo cia402.0.drv-target-velocity => lcec.0.0.target-velocity


net my-out-0 conv-s32-u32.0.in <= lcec.0.0.digitalinputs
net my-in-0 conv-s32-u32.0.out => bitslice.0.in
net my-bit-0 bitslice.0.out-00 joint.0.neg-lim-sw-in

net my-out-0 conv-s32-u32.1.in <= lcec.0.0.digitalinputs
net my-in-1 conv-s32-u32.1.out => bitslice.1.in
net my-bit-1 bitslice.1.out-01 joint.0.pos-lim-sw-in

net my-out-0 conv-s32-u32.2.in <= lcec.0.0.digitalinputs
net my-in-2 conv-s32-u32.2.out => bitslice.2.in
net my-bit-2 bitslice.2.out-02 joint.0.home-sw-in


#
# Joint 1
#
setp cia402.1.csp-mode 1
setp cia402.1.pos-scale -786432

#from servo(ethercat) to cia402
net 1-statusword lcec.0.1.cia-statusword => cia402.1.statusword
net 1-opmode-display lcec.0.1.opmode-display => cia402.1.opmode-display
net 1-drv-act-pos lcec.0.1.actual-position => cia402.1.drv-actual-position
net 1-drv-act-velo lcec.0.1.actual-velocity => cia402.1.drv-actual-velocity

#from cia402 to servo(ethercat)
net 1-controlword cia402.1.controlword => lcec.0.1.cia-controlword
net 1-modes-of-operation cia402.1.opmode => lcec.0.1.opmode
net 1-drv-target-pos cia402.1.drv-target-position => lcec.0.1.target-position
net 1-drv-target-velo cia402.1.drv-target-velocity => lcec.0.1.target-velocity

#from motion to cia
net 1-enable <= joint.1.amp-enable-out => cia402.1.enable
net 1-amp-fault => joint.1.amp-fault-in <= cia402.1.drv-fault
net 1-pos-cmd <= joint.1.motor-pos-cmd => cia402.1.pos-cmd
net 1-pos-fb => joint.1.motor-pos-fb <= cia402.1.pos-fb


net my-out-1 conv-s32-u32.3.in <= lcec.0.1.digitalinputs
net my-in-3 conv-s32-u32.3.out => bitslice.3.in
net my-bit-3 bitslice.3.out-00 joint.1.pos-lim-sw-in

net my-out-1 conv-s32-u32.4.in <= lcec.0.1.digitalinputs
net my-in-4 conv-s32-u32.4.out => bitslice.4.in
net my-bit-4 bitslice.4.out-01 joint.1.neg-lim-sw-in

net my-out-1 conv-s32-u32.5.in <= lcec.0.1.digitalinputs
net my-in-5 conv-s32-u32.5.out => bitslice.5.in
net my-bit-5 bitslice.5.out-02 joint.1.home-sw-in


#
# Joint 2
#
setp cia402.2.csp-mode 1
setp cia402.2.pos-scale 96000

#from servo(ethercat) to cia402
net 2-statusword lcec.0.2.cia-statusword => cia402.2.statusword
net 2-opmode-display lcec.0.2.opmode-display => cia402.2.opmode-display
net 2-drv-act-pos lcec.0.2.actual-position => cia402.2.drv-actual-position
net 2-drv-act-velo lcec.0.2.actual-velocity => cia402.2.drv-actual-velocity

#from cia402 to servo(ethercat)
net 2-controlword cia402.2.controlword => lcec.0.2.cia-controlword
net 2-modes-of-operation cia402.2.opmode => lcec.0.2.opmode
net 2-drv-target-pos cia402.2.drv-target-position => lcec.0.2.target-position
net 2-drv-target-velo cia402.2.drv-target-velocity => lcec.0.2.target-velocity

#from motion to cia
net 2-enable <= joint.2.amp-enable-out => cia402.2.enable
net 2-amp-fault => joint.2.amp-fault-in <= cia402.2.drv-fault
net 2-pos-cmd <= joint.2.motor-pos-cmd => cia402.2.pos-cmd
net 2-pos-fb => joint.2.motor-pos-fb <= cia402.2.pos-fb

net 2-CCW-limit lcec.0.2.in-3 => joint.2.neg-lim-sw-in
net 2-CW-limit lcec.0.2.in-4 => joint.2.pos-lim-sw-in
net 2-in-home lcec.0.2.in-5 => joint.2.home-sw-in
net 2-in-6 lcec.0.2.in-6 => halui.estop.activate


#net spindle_speed spindle.0.speed-out => python_control.rpm_in

[code]# This config file was created 2020-08-14 17:19:37.621705 by the update_ini script
# The original config files may be found in the /home/demo/linuxcnc/configs/et-3ax/et_3ax_CIA402.old directory

[EMC]
# The version string for this INI file.
VERSION = 1.1

MACHINE = EtherCAT Machine
DEBUG = 1

[DISPLAY]
DISPLAY = axis
EDITOR = gedit

#PYVCP = pyvcp_panel.xml

# places the pyvcp panel at the bottom of the Axis window
PYVCP_POSITION = RIGHT

# Cycle time, in seconds, that display will sleep between polls
CYCLE_TIME =            0.100

# Path to help file
HELP_FILE =             doc/help.txt

# Initial display setting for position, RELATIVE or MACHINE
POSITION_OFFSET = RELATIVE
POSITION_FEEDBACK = ACTUAL
MAX_FEED_OVERRIDE = 1
# Prefix to be used
PROGRAM_PREFIX = /home/demo/linuxcnc/nc_files
INTRO_GRAPHIC = linuxcnc.gif
INTRO_TIME = 0
INCREMENTS = 1in .5in .25in .125in .0625in .025in .05in
#INCREMENTS = 5mm 1mm .5mm .1mm .05mm .01mm .005mm

[FILTER]
PROGRAM_EXTENSION = .png,.gif,.jpg Greyscale Depth Image
PROGRAM_EXTENSION = .py Python Script
png = image-to-gcode
gif = image-to-gcode
jpg = image-to-gcode
py = python
nc = /usr/bin/axis

[RS274NGC]

PARAMETER_FILE = linuxcnc.var

[EMCMOT]

EMCMOT = motmod
COMM_TIMEOUT = 1.0
BASE_PERIOD =  0
SERVO_PERIOD = 1000000

[TASK]
TASK = milltask
CYCLE_TIME = 0.005

[HAL]
HALFILE = cia402.hal
#SHUTDOWN = shutdown.hal
HALUI = halui

[HALUI]

[TRAJ]

HOME = 16 12 7
COORDINATES = XYZ
LINEAR_UNITS = in
ANGULAR_UNITS = deg
DEFAULT_LINEAR_VELOCITY = .25
MAX_LINEAR_VELOCITY = .5
MIN_LINEAR_VELOCITY = .01
DEFAULT_ANGULAR_VELOCITY = 360
MAX_ANGULAR_VELOCITY = 720
POSITION_FILE = position.txt

[EMCIO]

# Name of IO controller program, e.g., iov2 has tool changer stuff
EMCIO =         iov2

CYCLE_TIME =    0.100

# tool table file
TOOL_TABLE =    cia402.tbl
TOOL_CHANGE_POSITION = 0 0 50.8
#RANDOM_TOOLCHANGER = 1


[KINS]
JOINTS = 3
KINEMATICS = trivkins kinstype=both coordinates=xyz


[AXIS_X]
MIN_LIMIT = 0.1
MAX_LIMIT = 17.9
MAX_VELOCITY = .5
MAX_ACCELERATION = 10
BACKLASH = 0.0000

[JOINT_0]
TYPE = LINEAR
MAX_VELOCITY = .5
MAX_ACCELERATION = 10

DEADBAND = 0.01
P=1
I=0
D=0

# The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION
# If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger.
# is this applicable for ethercat????
#STEPGEN_MAXVEL = 1.25
#STEPGEN_MAXACCEL = 1.25
SCALE = 1
FERROR = 200
MIN_FERROR = 50
MIN_LIMIT = 0
MAX_LIMIT = 18
HOME                    = 16
HOME_OFFSET                = 16
HOME_SEQUENCE            = 0

HOME_SEARCH_VEL = -.125
HOME_LATCH_VEL = -.125
HOME_USE_INDEX = NO
HOME_IGNORE_LIMITS        = NO





[AXIS_Y]
MIN_LIMIT = 0.1
MAX_LIMIT = 12.9
MAX_VELOCITY = .5
MAX_ACCELERATION = 10
BACKLASH = 0.0000


[JOINT_1]
TYPE = LINEAR
MAX_VELOCITY = .5
MAX_ACCELERATION = 10

DEADBAND = 0.01
P=1
I=0
D=0


# The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION
# If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger.
# is this applicable for ethercat????
#STEPGEN_MAXVEL = 1.25
#STEPGEN_MAXACCEL = 1.25
STEP_SCALE = 1
FERROR = 2
MIN_FERROR = 20
MIN_LIMIT = 0
MAX_LIMIT = 13

HOME                    = 12
HOME_OFFSET                = 12
HOME_SEQUENCE            = 1

HOME_SEARCH_VEL = .125
HOME_LATCH_VEL = .125
HOME_USE_INDEX = NO
HOME_IGNORE_LIMITS        = NO


[JOINT_2]
TYPE = LINEAR
MAX_VELOCITY = .5
MAX_ACCELERATION = 10
# The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION
# If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger.
# is this applicable for ethercat????
STEPGEN_MAXVEL = 1.25
STEPGEN_MAXACCEL = 1.25
STEP_SCALE = 1
FERROR = 200
MIN_FERROR = 20
MIN_LIMIT = 3.4
MAX_LIMIT = 8.1
HOME                    = 7
HOME_OFFSET                = 7
HOME_SEQUENCE            = 2

HOME_SEARCH_VEL = .125
HOME_LATCH_VEL = .125
HOME_USE_INDEX = NO
HOME_IGNORE_LIMITS    = NO



[AXIS_Z]
MIN_LIMIT = 3.5
MAX_LIMIT = 8
MAX_VELOCITY = .5
MAX_ACCELERATION = 10
BACKLASH = 0.0000

[/code]
[code][code]<masters>
  <master idx="0" appTimePeriod="1000000" refClockSyncCycles="1">
     
    
  <slave idx="0" type="generic" vid="00000A88" pid="0a880013" configPdos="true">
   <!-- Joint 0 -->
   <syncManager idx="0" dir="out"> </syncManager>
   <syncManager idx="1" dir="out"> </syncManager>
   <syncManager idx="2" dir="out">
    <pdo idx="1600">
     <pdoEntry idx="6040" subIdx="00" bitLen="16" halPin="cia-controlword" halType="u32"/>
     <pdoEntry idx="607a" subIdx="00" bitLen="32" halPin="target-position" halType="s32"/>
     <pdoEntry idx="60b8" subIdx="00" bitLen="16" halPin="touchprobefunction0" halType="bit"/>
    </pdo>
    <pdo idx="1601">
     <pdoEntry idx="6081" subIdx="00" bitLen="32" halPin="profile-velocity" halType="u32"/>
     <pdoEntry idx="6083" subIdx="00" bitLen="32" halPin="target-accel" halType="u32"/>
     <pdoEntry idx="6084" subIdx="00" bitLen="32" halPin="target-decel" halType="u32"/>
     <pdoEntry idx="6060" subIdx="00" bitLen="8" halPin="opmode" halType="s32"/>
    </pdo>
    <pdo idx="1602">
     <pdoEntry idx="60ff" subIdx="00" bitLen="32" halPin="target-velocity" halType="s32"/>
    </pdo>
   </syncManager>
   <syncManager idx="3" dir="in">
    <pdo idx="1a00">
     <pdoEntry idx="603f" subIdx="00" bitLen="16" halPin="errorcode" halType="bit"/>
     <pdoEntry idx="6041" subIdx="00" bitLen="16" halPin="cia-statusword" halType="u32"/>
     <pdoEntry idx="6061" subIdx="00" bitLen="8" halPin="opmode-display" halType="s32"/>
     <pdoEntry idx="6064" subIdx="00" bitLen="32" halPin="actual-position" halType="s32"/>
     <pdoEntry idx="60b9" subIdx="00" bitLen="16" halPin="touchprobestat" halType="bit"/>
     <pdoEntry idx="60ba" subIdx="00" bitLen="32" halPin="touchprobe1pos" halType="s32"/>
     <pdoEntry idx="60fd" subIdx="00" bitLen="32" halPin="digitalinputs" halType="s32"/>
    </pdo>
    <pdo idx="1a01">
     <pdoEntry idx="606c" subIdx="00" bitLen="32" halPin="actual-velocity" halType="s32"/>
    </pdo>
   </syncManager>
   <dcConf assignActivate="300" sync0Cycle="1000000"/>
  </slave>
 
 
  <slave idx="1" type="generic" vid="00000A88" pid="0a880013" configPdos="true">
   <!-- Joint 1 -->
   <syncManager idx="0" dir="out"> </syncManager>
   <syncManager idx="1" dir="out"> </syncManager>
   <syncManager idx="2" dir="out">
    <pdo idx="1600">
     <pdoEntry idx="6040" subIdx="00" bitLen="16" halPin="cia-controlword" halType="u32"/>
     <pdoEntry idx="607a" subIdx="00" bitLen="32" halPin="target-position" halType="s32"/>
     <pdoEntry idx="60b8" subIdx="00" bitLen="16" halPin="touchprobefunction0" halType="bit"/>
    </pdo>
    <pdo idx="1601">
     <pdoEntry idx="6081" subIdx="00" bitLen="32" halPin="profile-velocity" halType="u32"/>
     <pdoEntry idx="6083" subIdx="00" bitLen="32" halPin="target-accel" halType="u32"/>
     <pdoEntry idx="6084" subIdx="00" bitLen="32" halPin="target-decel" halType="u32"/>
     <pdoEntry idx="6060" subIdx="00" bitLen="8" halPin="opmode" halType="s32"/>
    </pdo>
    <pdo idx="1602">
     <pdoEntry idx="60ff" subIdx="00" bitLen="32" halPin="target-velocity" halType="s32"/>
    </pdo>
   </syncManager>
   <syncManager idx="3" dir="in">
    <pdo idx="1a00">
     <pdoEntry idx="603f" subIdx="00" bitLen="16" halPin="errorcode" halType="bit"/>
     <pdoEntry idx="6041" subIdx="00" bitLen="16" halPin="cia-statusword" halType="u32"/>
     <pdoEntry idx="6061" subIdx="00" bitLen="8" halPin="opmode-display" halType="s32"/>
     <pdoEntry idx="6064" subIdx="00" bitLen="32" halPin="actual-position" halType="s32"/>
     <pdoEntry idx="60b9" subIdx="00" bitLen="16" halPin="touchprobestat" halType="bit"/>
     <pdoEntry idx="60ba" subIdx="00" bitLen="32" halPin="touchprobe1pos" halType="s32"/>
     <pdoEntry idx="60fd" subIdx="00" bitLen="32" halPin="digitalinputs" halType="s32"/>
    </pdo>
    <pdo idx="1a01">
     <pdoEntry idx="606c" subIdx="00" bitLen="32" halPin="actual-velocity" halType="s32"/>
    </pdo>
   </syncManager>
   <dcConf assignActivate="300" sync0Cycle="1000000"/>
  </slave>
 
     <!-- Joint 2 -->
    <slave idx="2" type="generic" vid="00000a88" pid="0a880002" configPdos="true">
      <dcConf assignActivate="300" sync0Cycle="*1" sync0Shift="0"/>
      <sdoConfig idx="2000" subIdx="0"><sdoDataRaw data ="88 13"/></sdoConfig>  <!-- Max motor current (5.0) -->
      <sdoConfig idx="2007" subIdx="3"><sdoDataRaw data ="01"/></sdoConfig>     <!-- Input 3 - CCW Limit -->
      <sdoConfig idx="2007" subIdx="4"><sdoDataRaw data ="02"/></sdoConfig>     <!-- Input 4 - CW Limit -->
      <sdoConfig idx="2007" subIdx="5"><sdoDataRaw data ="03"/></sdoConfig>     <!-- Input 5 - Home Function -->
      <sdoConfig idx="2007" subIdx="6"><sdoDataRaw data ="05"/></sdoConfig>     <!-- Input 6 - Emergency Stop -->
      <sdoConfig idx="2011" subIdx="0"><sdoDataRaw data ="01 00"/></sdoConfig>  <!-- Closed loop -->
      <sdoConfig idx="6098" subIdx="0"><sdoDataRaw data ="11 00"/></sdoConfig>  <!-- Home mode 17 -->
      <sdoConfig idx="607C" subIdx="0"><sdoDataRaw data ="00 00"/></sdoConfig>  <!-- Home offset 0  -->
      <sdoConfig idx="609A" subIdx="0"><sdoDataRaw data ="F4 01"/></sdoConfig>  <!-- Home accelleration 500 -->
      <sdoConfig idx="6099" subIdx="01"><sdoDataRaw data ="C4 09"/></sdoConfig>  <!-- Home fast speed 2500-->
      <sdoConfig idx="6099" subIdx="02"><sdoDataRaw data ="F4 01"/></sdoConfig>  <!-- Home slow speed 500 -->
      <syncManager idx="2" dir="out">
        <pdo idx="1600">
          <pdoEntry idx="6040" subIdx="00" bitLen="16" halPin="cia-controlword" halType="u32"/>
          <pdoEntry idx="6060" subIdx="00" bitLen="8" halPin="opmode" halType="s32"/>
          <!-- Target Position -->
          <pdoEntry idx="607A" subIdx="00" bitLen="32" halPin="target-position" halType="s32"/>
          <!-- Target Velocity -->
          <pdoEntry idx="60FF" subIdx="00" bitLen="32" halPin="target-velocity" halType="s32"/>
          <!-- Digtial Outputs (manufacturer's extension ECT86/ECT60)-->
          <pdoEntry idx="204A" subIdx="0" bitLen="16" halType="complex">
            <complexEntry bitLen="1" halPin="out-1" halType="bit"/>
            <complexEntry bitLen="1" halPin="out-2" halType="bit"/>
            <complexEntry bitLen="14"/>
          </pdoEntry>
        </pdo>
      </syncManager>
      <syncManager idx="3" dir="in">
        <pdo idx="1a00">
          <pdoEntry idx="6041" subIdx="00" bitLen="16" halPin="cia-statusword" halType="u32"/>
          <pdoEntry idx="6061" subIdx="00" bitLen="8" halPin="opmode-display" halType="s32"/>
          <pdoEntry idx="6064" subIdx="00" bitLen="32" halPin="actual-position" halType="s32"/>
          <pdoEntry idx="606C" subIdx="00" bitLen="32" halPin="actual-velocity" halType="s32"/>
          <pdoEntry idx="6077" subIdx="00" bitLen="32" halPin="actual-torque" halType="s32"/>
          <!-- Digtial_inputs (cia402 compatible) -->
          <pdoEntry idx="60FD" subIdx="0" bitLen="32" halType="complex">
            <complexEntry bitLen="1" halPin="CW-limit" halType="bit"/>
            <complexEntry bitLen="1" halPin="CCW-limit" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-home" halType="bit"/>
            <complexEntry bitLen="13"/>
            <complexEntry bitLen="1" halPin="in-1" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-2" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-3" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-4" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-5" halType="bit"/>
            <complexEntry bitLen="1" halPin="in-6" halType="bit"/>
            <complexEntry bitLen="10"/>
          </pdoEntry>          
        </pdo>
      </syncManager>
    </slave>
 
 
 
  </master>
</masters>
[/code]


[/code]
  • Martin.L
  • Martin.L
06 Sep 2025 12:18
Replied by Martin.L on topic Stepperonline A6-1000EC driver

Stepperonline A6-1000EC driver

Category: EtherCAT

replace x with your servo/spindle index

net s-vel-cmd <= spindle.0.speed-out
net s-vel-cmd => cia402.x.velocity-cmd

You will need csp mode 0 :

setp cia402.5.csp-mode 0
setp cia402.5.pos-scale 1
  • Rookie0
  • Rookie0
01 Sep 2025 11:44
Replied by Rookie0 on topic Stepperonline A6-1000EC driver

Stepperonline A6-1000EC driver

Category: EtherCAT 

# spindle.hal
# use cia402 comp.  link: https://github.com/dbraun1981/hal-cia402
loadrt cia402 names=cia-s
addf cia-s.read-all           servo-thread
addf cia-s.write-all          servo-thread
# value = resolution_servo_encoder ÷ 60
# if gearbox exists, then * reduction_ratio(input:ouput)
setp cia-s.velo-scale 800
net s-statusword      <= lcec.0.N.cia-statusword   => cia-s.statusword
net s-opmode-display  <= lcec.0.N.opmode-display   => cia-s.opmode-display
net s-drv-act-velo    <= lcec.0.N.actual-velocity  => cia-s.drv-actual-velocity
net s-controlword     <= cia-s.controlword         => lcec.0.N.cia-controlword
net s-opmode          <= cia-s.opmode              => lcec.0.N.opmode
net s-drv-target-velo <= cia-s.drv-target-velocity => lcec.0.N.target-velocity
net s-enable          <= spindle.0.on              => cia-s.enable
net s-velo-fb         <= cia-s.velocity-fb         => spindle.0.speed-in
net s-velo-cmd        <= spindle.0.speed-out       => cia-s.velocity-cmd

hope it helps.
  • russkinch
  • russkinch's Avatar
01 Sep 2025 11:14
Stepperonline A6-1000EC driver was created by russkinch

Stepperonline A6-1000EC driver

Category: EtherCAT

Hi again. I have sorted the power issue (manual was no help at all). Now, I have it set to Linuxcnc using ethercat. It is all communication etc. I want to run the servo as a spindle motor so just have the target-velocity (60FE). How do I create the 'pins' to tell the drive to turn at say 1000rpm with an M3 command is given. I have done the many times using a VFD (much easier but space and weight limits force me to use a servo).

I am soooo out of my depth here, any help is always hugely appreciated. (I have already looked through the various threads and found no help after hours of scrolling)
  • Gautham
  • Gautham
29 Aug 2025 02:43
Replied by Gautham on topic Connecting my 7i96s to the VFD

Connecting my 7i96s to the VFD

Category: Driver Boards

Omg it worked!!! Thank you so much PCW not only did you spoon feed me on how to get my 7i96s to run my spindle but you also helped me get all my steppers working with the BoB. Thank you so much
  • russkinch
  • russkinch's Avatar
28 Aug 2025 09:07
Stepperonline A6-1000EC driver was created by russkinch

Stepperonline A6-1000EC driver

Category: EtherCAT

Hi, I am creating a custom machine for work and really really need help. I am using the above driver with a 1000w servo motor for the spindle. I have installed ethercat and configured. I have downloaded the xml file for the drive from stepperonline. I have created a hal file that loads lcec and the xml file. But when I start linuxcnc is stops with an error saying lcec exited. How can I use this to drive the spindle. I don't need limits or probes or anything, Just speed.

I am really out of my depth here as I normally use a 3ph and vfd but space and weight does not permit this on the machine I am making.

Thanks

Russell
  • lj
  • lj
26 Aug 2025 06:05
Replied by lj on topic ESP32 HAL2UDP setup for linux CNC noob.

ESP32 HAL2UDP setup for linux CNC noob.

Category: Computers and Hardware

Hello, I just started working on the linuxcnc esp32 W5500 setup and I ran into some issues.
1. Hardware: Rpi4 8gb with linuxcnc 2.8.4, W5500, Esp32 Wroom 
2. Esp firmware: hal2udp pwm
3. Motion: open loop stepper with TB6600 Driver

Issues
1. activation of spindle or flood no voltage change on esp32 pins 4 or 25.
2. joint follow error all axis3. My stepper is enable without the enable pin connection (I'm not even sure what pin to use for enable/disable on the esp32-the pin out from the read file doesn't show what pin to use.
3. udp.stepgen.1.enable (error doesn't exsist) (My assumption is that because the udp.comp file doesnt show the param or pin) maybe I'm missing something
4. is the Pid function only used for closed loop steppers to accurately determine movement
I attached my hal and ini files

thanks for the help
  • rhscdn
  • rhscdn
14 Aug 2025 03:07 - 14 Aug 2025 03:13
Axyz retrofit - spindle wiring 7i96 was created by rhscdn

Axyz retrofit - spindle wiring 7i96

Category: CNC Machines

I think I have wrapped my head around my stepper motor and limit switch wiring. Regarding the spindle, I have a few questions:

The inverter is a woods eTrac x2c and the manual offers a nearly overwhelming number of options. I was never able to see the spindle working with the stock
AMC controller. I have attached the relevant table from the inverter manual and it seems like I should be able to use the analog spindle interface to provide 0-5vdc signal for speed control (vin). Do I simply use inputs on the 7i96 to conteol fwd/rev and a ground connected to the inverter common? Is that all there is to it?

The original wiring from the AMC controller to the inverter is somewhat different and it isn’t obvious that the AMC was actually able to control the spindle speed. It is connected to use 4 preset spindle speeds and the AMC has wires indicating an acceleration/deceleration signal, as well as some connections to NO and RCM.

 

 
  • hitchhiker
  • hitchhiker
13 Aug 2025 15:35
Replied by hitchhiker on topic ECMO VMC100 Retrofit with Carousel/Toolchanger

ECMO VMC100 Retrofit with Carousel/Toolchanger

Category: Milling Machines

sry for delay.

i have now the whole machine running with the original controller.

all works.. steppers,maindrive, all sensors and the spindleencoder.

in the next days i link up my raspberry pi 4 with a 7i92.
why the rasp? its easier for me instead a notebook.. i have the machine in my garage not in my basement...

if all works and linked to the mesa and is in my linuxcnc i came back.


parallel i would build a small model for the toolchanger to play in the apartment with the toolchanger carousel stuff.

thanks
  • juergen-home
  • juergen-home
13 Aug 2025 09:37 - 13 Aug 2025 09:40
Replied by juergen-home on topic "pwm/dir" (Out1) switches for spindle CCW

"pwm/dir" (Out1) switches for spindle CCW

Category: Basic Configuration

At the end it was easier for me to compile a new bit file without the pwm/dir (I/O 07 PIN 17) and use it as a GPIO. It is working now.
Many thanks to you Peter!


Another question is about my "26 HDR" internal port of the 6i25 , I wanted to do my own encoder pcb but now I found a used 7I52S.
How to modify my vhd-file to do so and how should the cable from 26 HDR 6i25 to the 50 HDR 7I52S look like?
I don't now if I can use all functionality of the 7I52S but at least the 6 encoders and the rest filled with (stepper)outputs?
Should I open a new thread for this?
  • konrad
  • konrad
05 Aug 2025 15:24
Replied by konrad on topic prevent jog limit error

prevent jog limit error

Category: General LinuxCNC Questions

I made the config with PnCconf and only slightly changed to to account for probe basic interface.
the inductive endstops are mounted on the traveling part of the axis and there are metal stops at each end of the travel.

the machine has the following specs:
Machine Specs:
X460, Y750mm, Z160
20mm linear rails
10mm pitch ballscrews, 20mm diameter
Construction: aluminum profiles bolted to 12mm steel plates, welded gantry sides
Motors: Y-axis 6.8Nm stepper, Z + X-axis 3Nm stepper
Drives: DM556 V1 48v
Spindle: 24K RPM 2.2kW ER20
inductive endstops
good latency values mostly sub 3000ns servo
  • Cysign
  • Cysign
01 Aug 2025 11:19
Interfaces & linear scale for LinuxCNC was created by Cysign

Interfaces & linear scale for LinuxCNC

Category: General LinuxCNC Questions

Hi,
I originally wanted to run a cheap DIY cnc machine using an old Intel Atom dualcore computer which has an LPT connector. But meanwhile I start thinking about higher quality components.

Same specs:
-stepper motors (already exist)
-linear rails for a work area of 1000/600/200mm (already exist)
-spindle Kress FME800 (already exists)
-stepper driver board with 5x Toshiba TB6560 (already exists)
-USB connected hand controller/job wheel LHB04 (already exists)

Now I wonder if I'd better go for an network/USB controlled Mesa card to get rid of that old Intel Atom computer and be able to use any machine (probably a modern notebook).

Also I would like to bux linear scales for my build, but couldn't figure out how they would be connected to LinuxCNC.
Is there a lis with reliable (but not too expensive) supportet linear scales?

And would you rather ust the Toshiba stepper driver board listet above or get some modern alternative?

Since I didn't really start building it, I'm free to change components for the good :)

I'm going to weld the frame for my machine. So I wonder what's the best way to start? At the moment I think I'm going to build z-axis first and depending on it's dimensions I can design the x-axis, then Y-axis.
But for designing the z-axis I need to know which linear scale system I need to mount and what size it is.

Since this CNC machine is intended to build electrical guitars, I don't require the highest precision, but I'd like to have as small tollerances as possilbe for a reliable pricetag.
  • rhscdn
  • rhscdn
31 Jul 2025 14:16 - 31 Jul 2025 14:20
AXYZ Millennium Conversion was created by rhscdn

AXYZ Millennium Conversion

Category: CNC Machines

Just getting started on planning my AXYZ cnc router retrofit. Regarding the “AXYZ AXI” stepper drivers, the wiring diagram I have indicates driver control is standard 3 cable (12vdc, step, dir). Dip switches have the micro steps set to 1200 micro steps/rev (default). Is there anything else I need to know?

The stock spindle inverter was replaced with an eTrac X2C and is currently wired with 6 wires (gnd, decelerate, accelerate,  5vdc, feedback, on/off). Is there anything else I should consider?

My current plan is to purchase a Mesa 7i96s. For a pc, I have a Dell Optiplex 7050 and an ELO touchscreen ready to go.

Backstory, the AMC controller board on the small AXYZ cnc router that I bought is bad. It shows ‘Error 92’ or no controller OS and the AXYZ tool path software is unable to communicate with the board to restore it. My plan had been to convert the machine to Linuxcnc anyways but it would have been nice to test it and take some measurements prior to starting the conversion.
  • hitchhiker
  • hitchhiker
26 Jul 2025 12:06 - 26 Jul 2025 12:07
ECMO VMC100 Retrofit with Carousel/Toolchanger was created by hitchhiker

ECMO VMC100 Retrofit with Carousel/Toolchanger

Category: Milling Machines

Hi guys!
I get a VMC-100 as gift from a school.

I owm a F1P which i retrofit to LINUXCNC years ago. works perfect.
Same Machine as the VMC-100 but with manual Toolchange.

Now the VMC-100 has a carousel as Toolchanger.

 

This carousel have 4 proximity switch to operate the Toolchanger.

 

Sensor1 is a sensor to reference tool 1.
Sensor2 counts a hole in a parallel gear. is it counts 2 times the next toolslot is reached.
Sensor3 tells that the tool is engaged.
Sensor4 tells that the tool is disengaged and the mainspindle can rotate the carousel.

 

Main issue for me is that the carousel works above the Z reference sensor.
At Z reference positon the Carousel begins to disengage the tool and when sensor 4 is reached the carousel can rotate.

Does someone ever retrofit this in Linuxcnc and can share his experience?
I searched a bit arround but found only some videos with MACH3 and some dead threads.

I will use the orignial maindrive which has a encoder on it at the beginning.
the maindrive works with step/dir signals.

On my f1p was the same maindrive which i use to tap threads.. spindle orient is used for this but iswitch to a 1kw servo.
this time i will use everything orignial because i have 3 orignial stepperdrivers for the 5 phase steppers. later i would change to nema23 2 phase.
Main focus is to bring everything back to live without changing to different steppermotors or maindrive.

The maindrive is working and the encoder counts.
Steppers working.
all proximity sensors are working.


thanks for any help :)

the pictures are taken from youtube



 
  • Billiiles
  • Billiiles
23 Jul 2025 09:13 - 25 Jul 2025 09:19
Replied by Billiiles on topic Axis and tool length sensor troubles

Axis and tool length sensor troubles

Category: General LinuxCNC Questions

Hi all
After a couple of years, I am finally back and ready to making chips. I have a router, use steppers on parport. Linuxcnc is 2.9.4, debian doodle jump :

Linux cnc0 6.1.0-35-rt-amd64 #1 SMP PREEMPT_RT Debian 6.1.137-1 (2025-05-07) x86_64 GNU/Linux

The router works, I can cut stuff etc. not the problem. The job that I want to do soon requires quite a few tool changes. So far I did it using the dowel method, but that is very time consuming. Sure an automatic tool changer would be perfect, but that's up for in a later stage. For now I have a tool length sensor, that I would like to use with my collet spindle to get tool length set after a manual tool change.

When I run tcdemo.ngc:

- goes to change position
- when I hit "Tool change complete", goes to zmax, tool sensor x and y, starts going towards the sensor.
- As soon as the sensor is touched, I get "Probe tripped during non-probe move" and program is stopped

How can I get over this?

I attach the relevant files in zipped folder "toollength_problem.zip"

Greez
chris
You might want to double-check that the
G38.x command is active before motion toward the sensor begins. Also, review your HAL and INI files to confirm the probe input isn't being tripped by noise or an early signal. Did you try adding a small delay before the probe move to stabilize the signal?

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