Centroid Acorn Plasma Users Manual Beta CNC12 v4.65 rev6
Limit Switch Defeat: Press to temporarily defeat all limit/home switches which allows user to jog the
machine even if a limit/home switch has been tripped. Use with caution as pressing this button will allow
the operator to move the machine further into the direction of the tripped switch. Typically used to clear an
accidental switch trip. Once the button is pressed you have 5 seconds to jog the machine to clear the
switch. The button LED stays on for the 5 second time period.
THC AUTO: Indicates that THC is in Auto mode and used to Disabled AUTO THC
THC Auto LED ON = THC is in Automatic Mode aka Enabled. Meaning the THC will be active when commanded to
be active.
THC Auto LED OFF = THC is Disabled. This overrides any commands to turn on the THC.
Pressing THC Auto Button will Toggle the LED and THC Enabled/Disabled.
Pressing this button to turn the LED OFF will override any part program THC commands.
The term "Enable" is used to clarify that “Auto” is simply enabling the THC. It does not necessarily mean the THC is
actively tracking, as that is dependent on whether the THC is called for in Job and the related Active Delay Timer
Related Notes:
- Profile Manager menu selection of THC Automatic, or Smart Sense, will Enable the THC and the THC Auto LED
turn on at the beginning of the job.
- Profile Manager menu selection of THC Disable, Will turn off the THC Auto LED at beginning of the job.
- When using any of the three THC modes: Automatic, Smart Sense and Disabled, the Operator may always press
the THC Auto button to Enable or Disable THC at any point.
- When in Disabled and Automatic modes, THC will use the Programmed Voltage in Profile
- When in Smart Sense, THC will use the Smart Sense Voltage Reading.
Page 29 D:\Keith Documents\centroid_acorn_plasma_users_manual_draft27.odt rev27 3-15-22
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