torch moving UP when it should be moving DOWN

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1 year 1 week ago #336980 by distro88
Hello everyone,

I’m having a strange issue with QtPlasmaC (version 2.9.238 / LinuxCNC 2.9.2) and my PROMA THC 150 connected to a Mesa 7i92 card.

Everything on my machine moves correctly — all axes jog fine, torch on/off works, ARC OK is detected correctly, and the THC UP and DOWN inputs show properly in HAL meter.

However, during cutting:

When the THC UP signal is active, the torch moves up 

When the THC DOWN signal is active, the torch moves up instead of down 

Both UP and DOWN signals appear normally in HAL meter as true/false.

Here’s my setup:

Controller: Mesa 7i92 + db25 bib (raw pins)

Plasma: PROMA THC 150

QtPlasmaC version: 2.9.238 (LinuxCNC 2.9.2)

QtPlasmaC Mode: External THC (UP/DOWN/ARC OK)

THC wiring: optocoupled to Mesa inputs

Firmware: 7i92_7i76x1D.

I’ll attach my .hal and .ini files below.

.hal 
Code:
# Generated by PNCconf at Wed Oct 22 23:20:44 2025 # Using LinuxCNC version:  Master (2.9) # If you make changes to this file, they will be # overwritten when you run PNCconf again loadrt [KINS]KINEMATICS loadrt [EMCMOT]EMCMOT servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[KINS]JOINTS num_spindles=[TRAJ]SPINDLES loadrt hostmot2 loadrt hm2_eth board_ip="10.10.10.10" config="num_encoders=1 num_pwmgens=0 num_stepgens=5 sserial_port_0=00xxxxxx"  setp    hm2_7i92.0.watchdog.timeout_ns 5000000 loadrt pid names=pid.x,pid.y,pid.y2,pid.z,pid.s loadrt plasmac addf hm2_7i92.0.read          servo-thread addf motion-command-handler   servo-thread addf motion-controller        servo-thread addf pid.x.do-pid-calcs       servo-thread addf pid.y.do-pid-calcs       servo-thread addf pid.y2.do-pid-calcs       servo-thread addf pid.z.do-pid-calcs       servo-thread addf pid.s.do-pid-calcs       servo-thread addf plasmac                  servo-thread addf hm2_7i92.0.write         servo-thread setp hm2_7i92.0.dpll.01.timer-us -50 setp hm2_7i92.0.stepgen.timer-number 1 # ---PLASMA INPUT DEBOUNCE--- #values for these are in custom.hal loadrt dbounce names=db_breakaway,db_float,db_ohmic,db_arc-ok addf db_float     servo-thread addf db_ohmic     servo-thread addf db_breakaway servo-thread addf db_arc-ok    servo-thread # ---JOINT ASSOCIATED WITH THE Z AXIS--- net plasmac:axis-position joint.3.pos-fb => plasmac.axis-z-position # ---PLASMA INPUTS--- # ---all modes--- net plasmac:float-switch     => db_float.in net plasmac:breakaway        => db_breakaway.in net plasmac:ohmic-probe      => db_ohmic.in net plasmac:ohmic-sense-in   => plasmac.ohmic-sense-in # ---modes 0 & 1 net plasmac:arc-voltage-in   => plasmac.arc-voltage-in # ---modes 1 & 2 net plasmac:arc-ok-in        => db_arc-ok.in # ---mode 2 net plasmac:move-up          <= plasmac.move-up net plasmac:move-down        <= plasmac.move-down # ---PLASMA OUTPUTS--- # ---all modes--- net plasmac:ohmic-enable     <= plasmac.ohmic-enable net plasmac:scribe-arm       <= plasmac.scribe-arm net plasmac:scribe-on        <= plasmac.scribe-on # external output signals # --- PLASMAC:TORCH-ON --- setp hm2_7i92.0.gpio.030.is_output true net plasmac:torch-on  =>     hm2_7i92.0.gpio.030.out setp hm2_7i92.0.gpio.030.invert_output true # --- PLASMAC:LASER-ON --- setp hm2_7i92.0.gpio.031.is_output true net plasmac:laser-on  =>     hm2_7i92.0.gpio.031.out # --- DOUT-00 --- setp hm2_7i92.0.gpio.032.is_output true net dout-00  =>     hm2_7i92.0.gpio.032.out # --- DOUT-01 --- setp hm2_7i92.0.gpio.033.is_output true #qtplasmac uses digital output dout-01: #net dout-01  =>     hm2_7i92.0.gpio.033.out # external input signals # --- MIN-HOME-X --- net min-home-x     <=  hm2_7i92.0.gpio.018.in # --- MIN-HOME-Y --- net min-home-y     <=  hm2_7i92.0.gpio.019.in # --- MIN-HOME-Y2 --- net min-home-y2     <=  hm2_7i92.0.gpio.020.in # --- MAX-HOME-Z --- net max-home-z     <=  hm2_7i92.0.gpio.021.in # --- PLASMAC:FLOAT-SWITCH --- net plasmac:float-switch     <=  hm2_7i92.0.gpio.022.in # --- PLASMAC:BREAKAWAY --- net plasmac:breakaway     <=  hm2_7i92.0.gpio.023.in # --- PLASMAC:ARC-OK-IN --- net plasmac:arc-ok-in     <=  hm2_7i92.0.gpio.024.in # --- PLASMAC:MOVE-UP --- net plasmac:move-up     <=  hm2_7i92.0.gpio.025.in # --- PLASMAC:MOVE-DOWN --- net plasmac:move-down     <=  hm2_7i92.0.gpio.026.in # --- ESTOP-EXT --- net estop-ext     <=  hm2_7i92.0.gpio.027.in_not #******************* #  AXIS X JOINT 0 #******************* setp   pid.x.Pgain     [JOINT_0]P setp   pid.x.Igain     [JOINT_0]I setp   pid.x.Dgain     [JOINT_0]D setp   pid.x.bias      [JOINT_0]BIAS setp   pid.x.FF0       [JOINT_0]FF0 setp   pid.x.FF1       [JOINT_0]FF1 setp   pid.x.FF2       [JOINT_0]FF2 setp   pid.x.deadband  [JOINT_0]DEADBAND setp   pid.x.maxoutput [JOINT_0]MAX_OUTPUT setp   pid.x.error-previous-target true # This setting is to limit bogus stepgen # velocity corrections caused by position # feedback sample time jitter. setp   pid.x.maxerror 0.012700 net x-index-enable  =>  pid.x.index-enable net x-enable        =>  pid.x.enable net x-pos-cmd       =>  pid.x.command net x-pos-fb        =>  pid.x.feedback net x-output        <=  pid.x.output # Step Gen signals/setup setp   hm2_7i92.0.stepgen.00.dirsetup        [JOINT_0]DIRSETUP setp   hm2_7i92.0.stepgen.00.dirhold         [JOINT_0]DIRHOLD setp   hm2_7i92.0.stepgen.00.steplen         [JOINT_0]STEPLEN setp   hm2_7i92.0.stepgen.00.stepspace       [JOINT_0]STEPSPACE setp   hm2_7i92.0.stepgen.00.position-scale  [JOINT_0]STEP_SCALE setp   hm2_7i92.0.stepgen.00.step_type        0 setp   hm2_7i92.0.stepgen.00.control-type     1 setp   hm2_7i92.0.stepgen.00.maxaccel         [JOINT_0]STEPGEN_MAXACCEL setp   hm2_7i92.0.stepgen.00.maxvel           [JOINT_0]STEPGEN_MAXVEL # ---closedloop stepper signals--- net x-pos-cmd    <= joint.0.motor-pos-cmd net x-vel-cmd    <= joint.0.vel-cmd net x-output     => hm2_7i92.0.stepgen.00.velocity-cmd net x-pos-fb     <= hm2_7i92.0.stepgen.00.position-fb net x-pos-fb     => joint.0.motor-pos-fb net x-enable     <= joint.0.amp-enable-out net x-enable     => hm2_7i92.0.stepgen.00.enable # ---setup home / limit switch signals--- net min-home-x     =>  joint.0.home-sw-in net min-home-x     =>  joint.0.neg-lim-sw-in net x-pos-limit     =>  joint.0.pos-lim-sw-in #******************* #  AXIS Y JOINT 1 #******************* setp   pid.y.Pgain     [JOINT_1]P setp   pid.y.Igain     [JOINT_1]I setp   pid.y.Dgain     [JOINT_1]D setp   pid.y.bias      [JOINT_1]BIAS setp   pid.y.FF0       [JOINT_1]FF0 setp   pid.y.FF1       [JOINT_1]FF1 setp   pid.y.FF2       [JOINT_1]FF2 setp   pid.y.deadband  [JOINT_1]DEADBAND setp   pid.y.maxoutput [JOINT_1]MAX_OUTPUT setp   pid.y.error-previous-target true # This setting is to limit bogus stepgen # velocity corrections caused by position # feedback sample time jitter. setp   pid.y.maxerror 0.012700 net y-index-enable  =>  pid.y.index-enable net y-enable        =>  pid.y.enable net y-pos-cmd       =>  pid.y.command net y-pos-fb        =>  pid.y.feedback net y-output        <=  pid.y.output # Step Gen signals/setup setp   hm2_7i92.0.stepgen.01.dirsetup        [JOINT_1]DIRSETUP setp   hm2_7i92.0.stepgen.01.dirhold         [JOINT_1]DIRHOLD setp   hm2_7i92.0.stepgen.01.steplen         [JOINT_1]STEPLEN setp   hm2_7i92.0.stepgen.01.stepspace       [JOINT_1]STEPSPACE setp   hm2_7i92.0.stepgen.01.position-scale  [JOINT_1]STEP_SCALE setp   hm2_7i92.0.stepgen.01.step_type        0 setp   hm2_7i92.0.stepgen.01.control-type     1 setp   hm2_7i92.0.stepgen.01.maxaccel         [JOINT_1]STEPGEN_MAXACCEL setp   hm2_7i92.0.stepgen.01.maxvel           [JOINT_1]STEPGEN_MAXVEL # ---closedloop stepper signals--- net y-pos-cmd    <= joint.1.motor-pos-cmd net y-vel-cmd    <= joint.1.vel-cmd net y-output     => hm2_7i92.0.stepgen.01.velocity-cmd net y-pos-fb     <= hm2_7i92.0.stepgen.01.position-fb net y-pos-fb     => joint.1.motor-pos-fb net y-enable     <= joint.1.amp-enable-out net y-enable     => hm2_7i92.0.stepgen.01.enable # ---setup home / limit switch signals--- net min-home-y     =>  joint.1.home-sw-in net min-home-y     =>  joint.1.neg-lim-sw-in net y-pos-limit     =>  joint.1.pos-lim-sw-in #******************* #  Tandem AXIS Y2 JOINT 2 #******************* setp   pid.y2.Pgain     [JOINT_2]P setp   pid.y2.Igain     [JOINT_2]I setp   pid.y2.Dgain     [JOINT_2]D setp   pid.y2.bias      [JOINT_2]BIAS setp   pid.y2.FF0       [JOINT_2]FF0 setp   pid.y2.FF1       [JOINT_2]FF1 setp   pid.y2.FF2       [JOINT_2]FF2 setp   pid.y2.deadband  [JOINT_2]DEADBAND setp   pid.y2.maxoutput [JOINT_2]MAX_OUTPUT setp   pid.y2.error-previous-target true # This setting is to limit bogus stepgen # velocity corrections caused by position # feedback sample time jitter. setp   pid.y2.maxerror 0.012700 net y2-index-enable  =>  pid.y2.index-enable net y2-enable        =>  pid.y2.enable net y2-pos-cmd       =>  pid.y2.command net y2-pos-fb        =>  pid.y2.feedback net y2-output        <=  pid.y2.output # Step Gen signals/setup for tandem axis setp   hm2_7i92.0.stepgen.04.dirsetup        [JOINT_2]DIRSETUP setp   hm2_7i92.0.stepgen.04.dirhold         [JOINT_2]DIRHOLD setp   hm2_7i92.0.stepgen.04.steplen         [JOINT_2]STEPLEN setp   hm2_7i92.0.stepgen.04.stepspace       [JOINT_2]STEPSPACE setp   hm2_7i92.0.stepgen.04.position-scale  [JOINT_2]STEP_SCALE setp   hm2_7i92.0.stepgen.04.step_type        0 setp   hm2_7i92.0.stepgen.04.control-type     1 setp   hm2_7i92.0.stepgen.04.maxaccel         [JOINT_2]STEPGEN_MAXACCEL setp   hm2_7i92.0.stepgen.04.maxvel           [JOINT_2]STEPGEN_MAXVEL # ---closedloop stepper signals--- net y2-pos-cmd    <= joint.2.motor-pos-cmd net y2-vel-cmd    <= joint.2.vel-cmd net y2-output     => hm2_7i92.0.stepgen.04.velocity-cmd net y2-pos-fb     <= hm2_7i92.0.stepgen.04.position-fb net y2-pos-fb     => joint.2.motor-pos-fb net y2-enable     <= joint.2.amp-enable-out net y2-enable     => hm2_7i92.0.stepgen.04.enable # ---setup home / limit switch signals--- net min-home-y2     =>  joint.2.home-sw-in net min-home-y2     =>  joint.2.neg-lim-sw-in net y2-pos-limit     =>  joint.2.pos-lim-sw-in #******************* #  AXIS Z JOINT 3 #******************* setp   pid.z.Pgain     [JOINT_3]P setp   pid.z.Igain     [JOINT_3]I setp   pid.z.Dgain     [JOINT_3]D setp   pid.z.bias      [JOINT_3]BIAS setp   pid.z.FF0       [JOINT_3]FF0 setp   pid.z.FF1       [JOINT_3]FF1 setp   pid.z.FF2       [JOINT_3]FF2 setp   pid.z.deadband  [JOINT_3]DEADBAND setp   pid.z.maxoutput [JOINT_3]MAX_OUTPUT setp   pid.z.error-previous-target true # This setting is to limit bogus stepgen # velocity corrections caused by position # feedback sample time jitter. setp   pid.z.maxerror 0.012700 net z-index-enable  =>  pid.z.index-enable net z-enable        =>  pid.z.enable net z-pos-cmd       =>  pid.z.command net z-pos-fb        =>  pid.z.feedback net z-output        <=  pid.z.output # Step Gen signals/setup setp   hm2_7i92.0.stepgen.03.dirsetup        [JOINT_3]DIRSETUP setp   hm2_7i92.0.stepgen.03.dirhold         [JOINT_3]DIRHOLD setp   hm2_7i92.0.stepgen.03.steplen         [JOINT_3]STEPLEN setp   hm2_7i92.0.stepgen.03.stepspace       [JOINT_3]STEPSPACE setp   hm2_7i92.0.stepgen.03.position-scale  [JOINT_3]STEP_SCALE setp   hm2_7i92.0.stepgen.03.step_type        0 setp   hm2_7i92.0.stepgen.03.control-type     1 setp   hm2_7i92.0.stepgen.03.maxaccel         [JOINT_3]STEPGEN_MAXACCEL setp   hm2_7i92.0.stepgen.03.maxvel           [JOINT_3]STEPGEN_MAXVEL # ---closedloop stepper signals--- net z-pos-cmd    <= joint.3.motor-pos-cmd net z-vel-cmd    <= joint.3.vel-cmd net z-output     => hm2_7i92.0.stepgen.03.velocity-cmd net z-pos-fb     <= hm2_7i92.0.stepgen.03.position-fb net z-pos-fb     => joint.3.motor-pos-fb net z-enable     <= joint.3.amp-enable-out net z-enable     => hm2_7i92.0.stepgen.03.enable # ---setup home / limit switch signals--- net max-home-z     =>  joint.3.home-sw-in net z-neg-limit     =>  joint.3.neg-lim-sw-in net max-home-z     =>  joint.3.pos-lim-sw-in #  ---motion control signals--- net in-position               <=  motion.in-position net machine-is-enabled        <=  motion.motion-enabled #  ---digital in / out signals--- net dout-00     <=  motion.digital-out-00 #qtplasmac uses digital output dout-01: #net dout-01     <=  motion.digital-out-01 #  ---estop signals--- net estop-out     <=  iocontrol.0.user-enable-out net estop-ext     =>  iocontrol.0.emc-enable-in # ---QTPLASMAC TOOLCHANGE PASSTHROUGH--- net tool:change iocontrol.0.tool-change  => iocontrol.0.tool-changed net tool:prep   iocontrol.0.tool-prepare => iocontrol.0.tool-prepared .ini  [code]# Generated by PNCconf at Wed Oct 22 23:20:44 2025 # Using LinuxCNC version:  Master (2.9) # If you make changes to this file, they will be # overwritten when you run PNCconf again [EMC] MACHINE = test-2 DEBUG = 0 VERSION = 1.1 [DISPLAY] DISPLAY = qtvcp qtplasmac POSITION_OFFSET = RELATIVE POSITION_FEEDBACK = ACTUAL MAX_FEED_OVERRIDE = 2.000000 INTRO_GRAPHIC = linuxcnc.gif INTRO_TIME = 5 PROGRAM_PREFIX = /home/x/linuxcnc/nc_files INCREMENTS = 10mm 1mm .1mm .01mm .001mm POSITION_FEEDBACK = ACTUAL DEFAULT_LINEAR_VELOCITY = 6.000000 MAX_LINEAR_VELOCITY = 25.000000 MIN_LINEAR_VELOCITY = 0.500000 DEFAULT_ANGULAR_VELOCITY = 12.000000 MAX_ANGULAR_VELOCITY = 180.000000 MIN_ANGULAR_VELOCITY = 1.666667 GEOMETRY = xyz CYCLE_TIME = 100 [FILTER] PROGRAM_EXTENSION = .ngc,.nc,.tap GCode File (*.ngc, *.nc, *.tap) ngc = qtplasmac_gcode nc  = qtplasmac_gcode tap = qtplasmac_gcode [TASK] TASK = milltask CYCLE_TIME = 0.010 [RS274NGC] PARAMETER_FILE = linuxcnc.var RS274NGC_STARTUP_CODE = G21 G40 G49 G80 G90 G92.1 G94 G97 M52P1 SUBROUTINE_PATH = ./:../../nc_files USER_M_PATH = ./:../../nc_files [EMCMOT] EMCMOT = motmod COMM_TIMEOUT = 1.0 SERVO_PERIOD = 1000000 [HMOT] # **** This is for info only **** CARD0=hm2_7i92.0 [HAL] HALUI = halui HALFILE = test-2.hal HALFILE = qtplasmac_comp.hal HALFILE = custom.hal POSTGUI_HALFILE = custom_postgui.hal SHUTDOWN = shutdown.hal [HALUI] [KINS] JOINTS = 4 KINEMATICS = trivkins coordinates=XYYZ [TRAJ] SPINDLES = 3 COORDINATES =  XYYZ LINEAR_UNITS = mm ANGULAR_UNITS = degree DEFAULT_LINEAR_VELOCITY = 2.50 MAX_LINEAR_VELOCITY = 25.00 [EMCIO] EMCIO = io CYCLE_TIME = 0.100 TOOL_TABLE = tool.tbl #****************************************** [AXIS_X] # MAX_VEL & MAX_ACC need to be twice the corresponding joint value MAX_VELOCITY = 50.0 MAX_ACCELERATION = 1500.0 OFFSET_AV_RATIO = 0.5 MIN_LIMIT = -0.01 MAX_LIMIT = 2000.0 [JOINT_0] TYPE = LINEAR HOME = 0.0 FERROR = 10.0 MIN_FERROR = 1.0 MAX_VELOCITY = 25.0 MAX_ACCELERATION = 750.0 # 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 = 31.25 STEPGEN_MAXACCEL = 937.50 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   = 10000 DIRHOLD    = 10000 STEPLEN    = 5000 STEPSPACE  = 5000 STEP_SCALE = 100.0 MIN_LIMIT = -0.01 MAX_LIMIT = 2000.0 HOME_OFFSET = 0.000000 HOME_SEARCH_VEL = -1.000000 HOME_LATCH_VEL = 0.500000 HOME_FINAL_VEL = 0.000000 HOME_USE_INDEX = NO HOME_IGNORE_LIMITS = YES HOME_SEQUENCE = 2 #****************************************** #****************************************** [AXIS_Y] # MAX_VEL & MAX_ACC need to be twice the corresponding joint value MAX_VELOCITY = 50.0 MAX_ACCELERATION = 1500.0 OFFSET_AV_RATIO = 0.5 MIN_LIMIT = -0.01 MAX_LIMIT = 3000.0 [JOINT_1] TYPE = LINEAR HOME = 0.0 FERROR = 10.0 MIN_FERROR = 1.0 MAX_VELOCITY = 25.0 MAX_ACCELERATION = 750.0 # 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 = 31.25 STEPGEN_MAXACCEL = 937.50 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   = 10000 DIRHOLD    = 10000 STEPLEN    = 5000 STEPSPACE  = 5000 STEP_SCALE = 100.0 MIN_LIMIT = -0.01 MAX_LIMIT = 3000.0 HOME_OFFSET = 0.000000 HOME_SEARCH_VEL = -1.000000 HOME_LATCH_VEL = 0.500000 HOME_FINAL_VEL = 0.000000 HOME_USE_INDEX = NO HOME_IGNORE_LIMITS = YES HOME_SEQUENCE = -3 [JOINT_2] TYPE = LINEAR HOME = 0.0 FERROR = 10.0 MIN_FERROR = 1.0 MAX_VELOCITY = 25.0 MAX_ACCELERATION = 750.0 # 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 = 31.25 STEPGEN_MAXACCEL = 937.50 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   = 10000 DIRHOLD    = 10000 STEPLEN    = 5000 STEPSPACE  = 5000 STEP_SCALE = 100.0 MIN_LIMIT = -0.01 MAX_LIMIT = 3000.0 HOME_OFFSET = 0.000000 HOME_SEARCH_VEL = -1.000000 HOME_LATCH_VEL = 0.500000 HOME_FINAL_VEL = 0.000000 HOME_USE_INDEX = NO HOME_IGNORE_LIMITS = YES HOME_SEQUENCE = -3 #****************************************** #****************************************** [AXIS_Z] # MAX_VEL & MAX_ACC need to be twice the corresponding joint value MAX_VELOCITY = 50.0 MAX_ACCELERATION = 1500.0 OFFSET_AV_RATIO = 0.5 MIN_LIMIT = -200.0 MAX_LIMIT = 0.01 [JOINT_3] TYPE = LINEAR HOME = 0.0 FERROR = 10.0 MIN_FERROR = 1.0 MAX_VELOCITY = 25.0 MAX_ACCELERATION = 750.0 # 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 = 31.25 STEPGEN_MAXACCEL = 937.50 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   = 10000 DIRHOLD    = 10000 STEPLEN    = 5000 STEPSPACE  = 5000 STEP_SCALE = 100.0 MIN_LIMIT = -200.0 MAX_LIMIT = 0.01 HOME_OFFSET = 0.000000 HOME_SEARCH_VEL = -1.000000 HOME_LATCH_VEL = 0.500000 HOME_FINAL_VEL = 0.000000 HOME_USE_INDEX = NO HOME_IGNORE_LIMITS = YES HOME_SEQUENCE = 1 #****************************************** Any help or working HAL example with PROMA 150 + Mesa hardware would be greatly appreciated! Thank you in advance 
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1 year 1 week ago #336985 by tommylight
Moved to "PlasmaC" section.
I am sure this same thing was posted before here, so what happened?
-
Checked your files twice, seems OK, so check the wiring although from your description should be OK.
Since i can not find anything wrong and there is an issue, the quickest solution would be to make a new config.

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1 year 1 week ago #336988 by distro88
I tried that too. I even reinstalled LinuxCNC and changed all the pins — same problem

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1 year 1 week ago #336990 by tommylight
-Turn OFF the plasma
-draw a circle in the wizard, some 10cm diameter
-set the Proma THC150 to test mode with at least 5 seconds of time between changes
-put something about 3-5cm above the plate for the probing and remove after probe
-run the circle with the torch ON in QtPlasmaC
Do not turn the plasma ON while testing this.

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1 year 1 week ago #336991 by Hakan
You can also follow the signal into the plasmac component.
​​​​plasmac.move_up and plasmac.move_down should be the same as your digital inputs.
If you want to see what the plasmac component does, it is only some 20 lines of code
github.com/LinuxCNC/linuxcnc/blob/master...s/plasmac.comp#L1911
the led up and led down reflect the move_up and move_down input to plasmac.
Can help to isolate the problem.

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