plasmac - A plasma cutter controller
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loadrt plasmac |
A plasma cutting table control component for use with the LinuxCNC V2.8 or later.
VERSION:
0.190 - 2020 Dec 13
SUMMARY:
Usage of this component is demonstrated in the PlasmaC
example configurations included with LinuxCNC.
DISCLAIMER:
THE AUTHOR OF THIS SOFTWARE ACCEPTS ABSOLUTELY NO LIABILITY
FOR ANY HARM OR LOSS RESULTING FROM ITS USE.
IT IS EXTREMELY UNWISE TO RELY ON SOFTWARE ALONE FOR SAFETY.
Any machinery capable of harming persons must have provisions for completely stopping all motors and moving parts etc. before persons enter any danger area.
All machinery must be designed to comply with local and national safety codes, and the author of this software can not, and does not, take any responsibility for such compliance.
plasmac (requires a floating-point thread)
plasmac.arc-fail-delay float in
arc start failure timeout (seconds)
plasmac.arc-lost-delay float in
arc lost delay during a cut (seconds)
plasmac.arc-ok-high float in
maximum voltage level for Arc OK signal [mode 0] (volts)
plasmac.arc-ok-in bit in
external arc ok input signal [mode 1 & mode 2]
plasmac.arc-ok-low float in
minimum voltage level for Arc OK signal [mode 0] (volts)
plasmac.arc-max-starts s32 in
maximum attempts at starting the arc
plasmac.arc-voltage-in float in
arc voltage input [mode 0 & mode 1] see Notes above
plasmac.arc-voltage-offset float in
offset to set arc voltage to 0 at 0 volts
plasmac.arc-voltage-scale float in
scale to convert arc_voltage input to actual volts
plasmac.axis-z-min-limit float in
axis z minimum limit, connect to ini.z.min-limit
plasmac.axis-z-max-limit float in
axis z maximum limit, connect to ini.z.max-limit
plasmac.axis-z-position float in
current z axis position, connect to joint.N.pos-fb
plasmac.axis-x-position float in
current x axis position, connect to axis.x.pos-cmd
plasmac.axis-y-position float in
current y axis position, connect to axis.y.pos-cmd
plasmac.breakaway bit in
torch breakaway switch (optional, see float_switch)
plasmac.spotting-start bit in
start a new spot, connect to spindle.2.on
plasmac.spotting-threshold float in
threshold voltage to start spotting delay
plasmac.spotting-time float in
torch off delay after spotting threshold reached
plasmac.consumable-change bit in
change consumables in torch
plasmac.cornerlock-enable bit in
enable corner lock
plasmac.cornerlock-threshold float in
corner lock threshold (% of requested feed rate), speeds below this disable THC
plasmac.current-velocity float in
current machine velocity , connect to motion.current-vel
plasmac.cut-feed-rate float in
cut feed rate, set to 0 to use feed rate from gcod file (machine units per minute)
plasmac.cut-height float in
cut height (machine units)
plasmac.cut-recovery bit in
recover from cut error
plasmac.cut-volts float in
cut voltage (volts)
plasmac.cutting-start bit in
start a new cut, connect to spindle.0.on
plasmac.external-estop bit in
external estop input
plasmac.feed-reduction float in
reduce adaptive feed to this percentage (connect to motion.analog-out-03)
plasmac.feed-override float in
feed override value from gui (connect to halui.feed-override.value)
plasmac.float-switch bit in
float switch input (can also act as breakaway if it actuates when torch breaks away)
plasmac.float-switch-travel float in
float switch travel (machine units)
plasmac.height-override float in
height override adjustment (volts)
plasmac.height-per-volt float in
torch height change per volt (machine units)
plasmac.homed bit in
machine is homed
plasmac.kerfcross-enable bit in
enable kerf crossing [mode 0 & mode 1]
plasmac.kerfcross-override float in
kerf crossing threshold override as a percentage
plasmac.lowpass-frequency float in
lowpass cutoff frequency for arc voltage output
plasmac.ignore-arc-ok-0 bit in
don’t require arc ok for start or cutting
plasmac.ignore-arc-ok-1 bit in
don’t require arc ok for start or cutting
plasmac.machine-is-on bit in
machine is on signal
plasmac.mesh-enable bit in
enable mesh cutting mode
plasmac.mode s32 in
operating mode
plasmac.motion-type s32 in
motion type, connect to motion.motion-type
plasmac.move-down bit in
external thc down switch [mode 2])
plasmac.move-up bit in
external thc up switch [mode 2]
plasmac.multi-tool bit in
allows the use of multiple tools
plasmac.ohmic-probe-enable bit in
ohmic probe enable input
plasmac.ohmic-probe-offset float in
Z axis offset for ohmic probe (machine units)
plasmac.ohmic-max-attempts s32 in
maximum ohmic probe attempts before fallback to float switch
plasmac.ohmic-probe bit in
ohmic probe input
plasmac.ohmic-test bit in
test for shorted torch
plasmac.paused-motion-speed float in
multiplier for speed of motion when paused, from -1 to 1
plasmac.pause-at-end float in
time to pause at end of cut
plasmac.pid-d-gain float in
derivative gain input [mode 0 & mode 1]
plasmac.pid-i-gain float in
integral gain input [mode 0 & mode 1]
plasmac.pid-p-gain float in
proportional gain input [mode 0 & mode 1]
plasmac.pierce-delay float in
time required to pierce stock (seconds)
plasmac.probe-final-speed s32 in (default: 1)
final probe speed (steps per servo period)
plasmac.pierce-height float in
pierce height (machine units)
plasmac.probe-feed-rate float in
probe down velocity (machine units per minute)
plasmac.probe-test bit in
probe test only
plasmac.probe-start-height float in
probe starting height
plasmac.program-is-idle bit in
program is idle, connect to halui.program.is-idle
plasmac.program-is-paused bit in
program is paused, connect to halui.program.is-paused
plasmac.program-is-running bit in
program is running, connect to halui.program.is-running
plasmac.puddle-jump-delay float in
delay move from pierce height to cut height (seconds), leave disconnected if not required
plasmac.puddle-jump-height float in
puddle jump height (percentage of pierce height), leave disconnected if not required
plasmac.requested-velocity float in
requested velocity, set by a known requested velocity or connect to motion.requested-vel
plasmac.resolution s32 in (default: 1)
resolution of the offset counts
plasmac.restart-delay float in
time from arc failure till next restart attempt
plasmac.safe-height float in
requested safe traverse height (machine units)
plasmac.scribe-arm-delay float in
delay from scribe arm to scribe on
plasmac.scribe-on-delay float in
delay from scribe on to motion beginning
plasmac.scribe-start bit in
start a new scribe, connect to spindle.1.on
plasmac.setup-feed-rate float in
feed rate for moves to pierce and cut heights (machine units per minute)
plasmac.skip-ihs-distance float in
skip IHS if less than this distance from last cut
plasmac.thc-enable bit in
enable/disable thc and set the IHS skip type
plasmac.thc-disable bit in
thc disable
plasmac.thc-delay float in
delay from start of cut to THC enable (seconds)
plasmac.thc-feed-rate float in
maximum feed rate for thc (machine units per minute)
plasmac.thc-threshold float in
thc threshold (volts), changes below this have no effect
plasmac.torch-enable bit in
enable torch
plasmac.torch-off bit in
turn torch off
plasmac.torch-pulse-start bit in
torch pulse start
plasmac.torch-pulse-time float in
torch pulse time (seconds)
plasmac.units-per-mm float in
for scale calcs, connect to halui.machine.units-per-mm
plasmac.use-auto-volts bit in
use calculated voltage for thc baseline
plasmac.xy-feed-rate float in
feed-rate for consumable change
plasmac.x-offset float in
offest to apply to axis x for consumable change
plasmac.x-offset-current float in
current x axis offset, connect to axis.x.eoffset
plasmac.y-offset float in
offest to apply to axis y for consumable change
plasmac.y-offset-current float in
current z axis offset, connect to axis.y.eoffset
plasmac.z-offset-current float in
current z axis offset, connect to axis.z.eoffset
plasmac.adaptive-feed float out
for reverse-run, connect to motion.adaptive-feed
plasmac.arc-ok-out bit out
arc ok output
plasmac.arc-voltage-out float out
arc voltage output [mode 0 & mode 1]
plasmac.consumable-changing bit out
consumables are being changed
plasmac.cornerlock-is-locked bit out
corner locked indicator
plasmac.cut-length float out
length of current cut job
plasmac.cut-time float out
time of current cut job
plasmac.cut-recovering bit out
recovering from cut error
plasmac.cutting-stop bit out
stop manual cut, connect to halui.spindle.0.stop
plasmac.feed-hold bit out
feed hold, connect to motion.feed_hold
plasmac.kerfcross-is-locked bit out
kerf crossing locked indicator [mode 0 & mode 1]
plasmac.led-down bit out
thc move down indicator
plasmac.led-up bit out
thc move up indicator
plasmac.offset-scale float out
offset scale, connect to axis.<x y z>.eoffset-scale
plasmac.ohmic-enable bit out
on only while probing
plasmac.pierce-count s32 out
number of pierce attempts
plasmac.probe-test-error bit out
minimum limit reached while pobe testing
plasmac.program-pause bit out
pause the current program, connect to halui.program.pause
plasmac.program-resume bit out
resume the currently paused program, connect to halui.program.resume
plasmac.program-run bit out
run the currently loaded program, connect to halui.program.run
plasmac.program-stop bit out
stop current program, connect to halui.program.stop
plasmac.safe-height-is-limited bit out
safe height is limited indicator
plasmac.scribe-arm bit out
arm the scribe
plasmac.scribe-on bit out
turn scribe on
plasmac.state-out s32 out
current state
plasmac.stop-type-out s32 out
current stop type
plasmac.thc-active bit out
thc status output
plasmac.thc-enabled bit out
thc is enabled
plasmac.torch-on bit out
turn torch on, connect to your torch on input
plasmac.x-offset-counts s32 out
x offset for consumable change, connect to axis.x.eoffset-counts
plasmac.y-offset-counts s32 out
y offset for consumable change, connect to axis.y.eoffset-counts
plasmac.xy-offset-enable bit out
enable x and y offsets, connect to axis.<x & y>.eoffset-enable
plasmac.z-offset-counts s32 out
z offset for height control, connect to axis.z.eoffset-counts
plasmac.z-offset-enable bit out
enable z offsets, connect to axis.z.eoffset-enable
plasmac.z-relative float out
distance of Z from last probed height
plasmac.debug-print bit rw (default: FALSE)
print debug messages
plasmac.kerf-errors-max s32 rw (default: 2)
allowable kerfcross threshold errors
plasmac.mesh-arc-ok bit rw (default: FALSE)
don’t require arc ok for mesh mode
plasmac.max-offset s32 rw (default: 5)
maximum height offset
Phillip A Carter
GPLv2 or greater