Tool height setter and 3d probe inputs
- natholego11
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17 Mar 2024 19:07 #296149
by natholego11
Tool height setter and 3d probe inputs was created by natholego11
Hi,
ive got a 3 axis probe (NC) and a tool height setter(NO), im trying to put them into the same pin so I can use the same motion.probe-input.
I was following this example, but I keep getting an error that my tool_probe.in0 (and I assume in.1) are not defined
forum.linuxcnc.org/10-advanced-configura...nsor?start=10#233776
here is my current HAL. what am I missing here?
ive got a 3 axis probe (NC) and a tool height setter(NO), im trying to put them into the same pin so I can use the same motion.probe-input.
I was following this example, but I keep getting an error that my tool_probe.in0 (and I assume in.1) are not defined
forum.linuxcnc.org/10-advanced-configura...nsor?start=10#233776
here is my current HAL. what am I missing here?
# Generated by PNCconf at Tue Jan 18 09:12:59 2022
# Using LinuxCNC version: 2.8
# 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_dio=30 num_aio=30
loadrt hostmot2
loadrt hm2_eth board_ip="10.10.10.10" config=" num_encoders=5 num_pwmgens=0 num_stepgens=5 sserial_port_0=00xxxx"
setp hm2_7i96.0.watchdog.timeout_ns 5000000
loadrt pid names=pid.x,pid.y,pid.z,pid.s
loadrt abs names=abs.0,abs.spindle
loadrt lowpass names=lowpass.spindle
loadrt scale names=scale.spindle
loadrt near
addf hm2_7i96.0.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.z.do-pid-calcs servo-thread
addf pid.s.do-pid-calcs servo-thread
addf scale.spindle servo-thread
addf abs.spindle servo-thread
addf lowpass.spindle servo-thread
addf near.0 servo-thread
addf hm2_7i96.0.write servo-thread
addf abs.0 servo-thread
# external output signals
# --- COOLANT-MIST ---
net coolant-mist => hm2_7i96.0.ssr.00.out-01
# external input signals
# --- MACHINE-ON ---
net external-machine-on <= hm2_7i96.0.gpio.003.in_not
# --- ESTOP-EXT ---
net estop-ext <= hm2_7i96.0.gpio.000.in
# --- PROBE-IN ---
#net probe-in <= hm2_7i96.0.gpio.001.in
net toolsetter-in <= hm2_7i96.0.gpio.001.in => tool_probe.in0
net probe-in <= hm2_7i96.0.gpio.002.in => tool_probe.in1
net tool-or-probe tool_probe.out
# --- Probe Blast---
#net probe-blast => hm2_7i96.0.ssr.00.out-02
#*******************
# 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 0.000500
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_7i96.0.stepgen.00.dirsetup [JOINT_0]DIRSETUP
setp hm2_7i96.0.stepgen.00.dirhold [JOINT_0]DIRHOLD
setp hm2_7i96.0.stepgen.00.steplen [JOINT_0]STEPLEN
setp hm2_7i96.0.stepgen.00.stepspace [JOINT_0]STEPSPACE
setp hm2_7i96.0.stepgen.00.position-scale [JOINT_0]STEP_SCALE
setp hm2_7i96.0.stepgen.00.step_type 0
setp hm2_7i96.0.stepgen.00.control-type 1
setp hm2_7i96.0.stepgen.00.maxaccel [JOINT_0]STEPGEN_MAXACCEL
setp hm2_7i96.0.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_7i96.0.stepgen.00.velocity-cmd
net x-pos-fb <= hm2_7i96.0.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_7i96.0.stepgen.00.enable
# ---setup home / limit switch signals---
net x-home-sw => joint.0.home-sw-in
net x-neg-limit => 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 0.000500
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_7i96.0.stepgen.01.dirsetup [JOINT_1]DIRSETUP
setp hm2_7i96.0.stepgen.01.dirhold [JOINT_1]DIRHOLD
setp hm2_7i96.0.stepgen.01.steplen [JOINT_1]STEPLEN
setp hm2_7i96.0.stepgen.01.stepspace [JOINT_1]STEPSPACE
setp hm2_7i96.0.stepgen.01.position-scale [JOINT_1]STEP_SCALE
setp hm2_7i96.0.stepgen.01.step_type 0
setp hm2_7i96.0.stepgen.01.control-type 1
setp hm2_7i96.0.stepgen.01.maxaccel [JOINT_1]STEPGEN_MAXACCEL
setp hm2_7i96.0.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_7i96.0.stepgen.01.velocity-cmd
net y-pos-fb <= hm2_7i96.0.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_7i96.0.stepgen.01.enable
# ---setup home / limit switch signals---
net y-home-sw => joint.1.home-sw-in
net y-neg-limit => joint.1.neg-lim-sw-in
net y-pos-limit => joint.1.pos-lim-sw-in
#*******************
# AXIS Z JOINT 2
#*******************
setp pid.z.Pgain [JOINT_2]P
setp pid.z.Igain [JOINT_2]I
setp pid.z.Dgain [JOINT_2]D
setp pid.z.bias [JOINT_2]BIAS
setp pid.z.FF0 [JOINT_2]FF0
setp pid.z.FF1 [JOINT_2]FF1
setp pid.z.FF2 [JOINT_2]FF2
setp pid.z.deadband [JOINT_2]DEADBAND
setp pid.z.maxoutput [JOINT_2]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 0.000500
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_7i96.0.stepgen.02.dirsetup [JOINT_2]DIRSETUP
setp hm2_7i96.0.stepgen.02.dirhold [JOINT_2]DIRHOLD
setp hm2_7i96.0.stepgen.02.steplen [JOINT_2]STEPLEN
setp hm2_7i96.0.stepgen.02.stepspace [JOINT_2]STEPSPACE
setp hm2_7i96.0.stepgen.02.position-scale [JOINT_2]STEP_SCALE
setp hm2_7i96.0.stepgen.02.step_type 0
setp hm2_7i96.0.stepgen.02.control-type 1
setp hm2_7i96.0.stepgen.02.maxaccel [JOINT_2]STEPGEN_MAXACCEL
setp hm2_7i96.0.stepgen.02.maxvel [JOINT_2]STEPGEN_MAXVEL
# ---closedloop stepper signals---
net z-pos-cmd <= joint.2.motor-pos-cmd
net z-vel-cmd <= joint.2.vel-cmd
net z-output <= hm2_7i96.0.stepgen.02.velocity-cmd
net z-pos-fb <= hm2_7i96.0.stepgen.02.position-fb
net z-pos-fb => joint.2.motor-pos-fb
net z-enable <= joint.2.amp-enable-out
net z-enable => hm2_7i96.0.stepgen.02.enable
# ---setup home / limit switch signals---
net z-home-sw => joint.2.home-sw-in
net z-neg-limit => joint.2.neg-lim-sw-in
net z-pos-limit => joint.2.pos-lim-sw-in
#*******************
# SPINDLE
#*******************
setp pid.s.Pgain [SPINDLE_0]P
setp pid.s.Igain [SPINDLE_0]I
setp pid.s.Dgain [SPINDLE_0]D
setp pid.s.bias [SPINDLE_0]BIAS
setp pid.s.FF0 [SPINDLE_0]FF0
setp pid.s.FF1 [SPINDLE_0]FF1
setp pid.s.FF2 [SPINDLE_0]FF2
setp pid.s.deadband [SPINDLE_0]DEADBAND
setp pid.s.maxoutput [SPINDLE_0]MAX_OUTPUT
setp pid.s.error-previous-target true
# This setting is to limit bogus stepgen
# velocity corrections caused by position
# feedback sample time jitter.
setp pid.s.maxerror 0.000500
net spindle-index-enable <=> pid.s.index-enable
net spindle-enable => pid.s.enable
net spindle-vel-cmd-rpm => pid.s.command
net spindle-vel-fb-rpm => pid.s.feedback
net spindle-output <= pid.s.output
# Step Gen signals/setup
setp hm2_7i96.0.stepgen.03.dirsetup [SPINDLE_0]DIRSETUP
setp hm2_7i96.0.stepgen.03.dirhold [SPINDLE_0]DIRHOLD
setp hm2_7i96.0.stepgen.03.steplen [SPINDLE_0]STEPLEN
setp hm2_7i96.0.stepgen.03.stepspace [SPINDLE_0]STEPSPACE
setp hm2_7i96.0.stepgen.03.position-scale [SPINDLE_0]STEP_SCALE
setp hm2_7i96.0.stepgen.03.step_type 0
setp hm2_7i96.0.stepgen.03.control-type 1
setp hm2_7i96.0.stepgen.03.maxaccel [SPINDLE_0]MAX_ACCELERATION
setp hm2_7i96.0.stepgen.03.maxvel [SPINDLE_0]MAX_VELOCITY
net spindle-vel-cmd-rps => hm2_7i96.0.stepgen.03.velocity-cmd
#(enables the DMM drive with the power button)
net machine-is-on <= halui.machine.is-on
net machine-is-on => hm2_7i96.0.ssr.00.out-00
#(enables the spindle stepgen)
net machine-is-enabled <= motion.motion-enabled
net machine-is-enabled => hm2_7i96.0.stepgen.03.enable
# ---Encoder feedback signals/setup---
setp hm2_7i96.0.encoder.04.counter-mode 0
setp hm2_7i96.0.encoder.04.filter 1
setp hm2_7i96.0.encoder.04.index-invert 0
setp hm2_7i96.0.encoder.04.index-mask 0
setp hm2_7i96.0.encoder.04.index-mask-invert 0
setp hm2_7i96.0.encoder.04.scale [SPINDLE_0]ENCODER_SCALE
net spindle-revs <= hm2_7i96.0.encoder.04.position
net spindle-vel-fb-rps <= hm2_7i96.0.encoder.04.velocity
net spindle-index-enable <=> hm2_7i96.0.encoder.04.index-enable
# ---setup spindle control signals---
net spindle-vel-cmd-rps <= spindle.0.speed-out-rps
net spindle-vel-cmd-rps-abs <= spindle.0.speed-out-rps-abs
net spindle-vel-cmd-rpm <= spindle.0.speed-out
net spindle-vel-cmd-rpm-abs <= spindle.0.speed-out-abs
net spindle-enable <= spindle.0.on
net spindle-cw <= spindle.0.forward
net spindle-ccw <= spindle.0.reverse
net spindle-brake <= spindle.0.brake
net spindle-revs => spindle.0.revs
net spindle-at-speed => spindle.0.at-speed
net spindle-vel-fb-rps => spindle.0.speed-in
net spindle-index-enable <=> spindle.0.index-enable
# ---Setup spindle at speed signals---
net spindle-vel-cmd-rps => near.0.in1
net spindle-vel-fb-rps-abs => near.0.in2
net spindle-at-speed <= near.0.out
net spindle-vel-fb-rps => abs.0.in
net spindle-vel-fb-rps-abs abs.0.out
setp near.0.scale 1.000000
setp near.0.difference 2.00
# Use ACTUAL spindle velocity from spindle encoder
# spindle-velocity bounces around so we filter it with lowpass
# spindle-velocity is signed so we use absolute component to remove sign
# ACTUAL velocity is in RPS not RPM so we scale it.
setp scale.spindle.gain 60
setp lowpass.spindle.gain 1.000000
net spindle-vel-fb-rps => scale.spindle.in
net spindle-fb-rpm scale.spindle.out => abs.spindle.in
net spindle-fb-rpm-abs abs.spindle.out => lowpass.spindle.in
net spindle-fb-rpm-abs-filtered lowpass.spindle.out
#******************************
# connect miscellaneous signals
#******************************
# ---HALUI signals---
net axis-select-x halui.axis.x.select
net jog-x-pos halui.axis.x.plus
net jog-x-neg halui.axis.x.minus
net jog-x-analog halui.axis.x.analog
net x-is-homed halui.joint.0.is-homed
net axis-select-y halui.axis.y.select
net jog-y-pos halui.axis.y.plus
net jog-y-neg halui.axis.y.minus
net jog-y-analog halui.axis.y.analog
net y-is-homed halui.joint.1.is-homed
net axis-select-z halui.axis.z.select
net jog-z-pos halui.axis.z.plus
net jog-z-neg halui.axis.z.minus
net jog-z-analog halui.axis.z.analog
net z-is-homed halui.joint.2.is-homed
net jog-selected-pos halui.axis.selected.plus
net jog-selected-neg halui.axis.selected.minus
net spindle-manual-cw halui.spindle.0.forward
net spindle-manual-ccw halui.spindle.0.reverse
net spindle-manual-stop halui.spindle.0.stop
net machine-is-on halui.machine.is-on
net jog-speed halui.axis.jog-speed
net MDI-mode halui.mode.is-mdi
# ---coolant signals---
net coolant-mist <= iocontrol.0.coolant-mist
net coolant-flood <= iocontrol.0.coolant-flood
# ---probe signal---
#net probe-in => motion.probe-input
net tool-or-probe => motion.probe-input
# ---motion control signals---
net in-position <= motion.in-position
net machine-is-enabled <= motion.motion-enabled
# ---digital in / out signals---
# ---estop signals---
net estop-out <= iocontrol.0.user-enable-out
net estop-ext => iocontrol.0.emc-enable-in
# ---manual tool change signals---
loadusr -W hal_manualtoolchange
net tool-change-request iocontrol.0.tool-change => hal_manualtoolchange.change
net tool-change-confirmed iocontrol.0.tool-changed <= hal_manualtoolchange.changed
net tool-number iocontrol.0.tool-prep-number => hal_manualtoolchange.number
net tool-prepare-loopback iocontrol.0.tool-prepare => iocontrol.0.tool-prepared
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- MaHa
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17 Mar 2024 20:07 #296151
by MaHa
Replied by MaHa on topic Tool height setter and 3d probe inputs
this is missing In your hal
loadrt or2 names=tool_probe
addf tool_probe servo-thread
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- natholego11
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18 Mar 2024 21:55 #296257
by natholego11
Replied by natholego11 on topic Tool height setter and 3d probe inputs
ok, got that working, new problem, when I unplug my touch probe the pin for it (since its NC) goes low. so when I probe with my tool height setter linux thinks the probe signal is high. is there a way to distinguish between which pin to use for what action in the controller? or do I have to leave my probe plugged in all the time?
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26 Mar 2024 11:57 #296811
by natholego11
Replied by natholego11 on topic Tool height setter and 3d probe inputs
just to close the loop on this. I ended up using a NAND 7400 chipset and flipped the signal going into the 7i96 board. seems to work pretty well.
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- djdelorie
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26 Mar 2024 16:46 #296823
by djdelorie
Replied by djdelorie on topic Tool height setter and 3d probe inputs
In my config, I have a gcode-controlled "pin" that chooses which of the two probes are active, and the routines that do toolsetting switch probes during those. I tried a dumb "or"ing of the probes but the toolsetter was too sensitive to vibration when the machine was running full out, so I had to disable it somehow anyway.
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