iCNC Performance
Manual 0-5401 iCNC SETUP 7-19
7.5.2.2 Advanced
• External stop if main arc is not ok You can Enable/Disable the feature. When enabled if plasma arc is lost during the cut
process CNC will stop motion, turn off cut process IOs and give a message that that arc has been lost during cutting.
• Time out Time out that the main arc input can be off before error message will be given. Used to filter out small jitters
caused by example high frequency noise.
• Dropdown menu Inbit number for main arc signal.
• Bit value when main arc ok Inbit value 1 or 0 when cutting is considered OK.
• Prestop enabled Enable/Disable feature
• Dropdown menu Outbit number that is controlled with prestop event.
• OutBit value when prestop active Is the outbit turned ON or OFF when prestop is triggered.
• Hold activates below Speed % where hold signal is activated.
• Plasma prehold distance Distance from the end of cut where hold signal is activated
• Hold extension Time extension to release hold signal. Used to give a bit of time for the arc to stabilize after example a
corner.
• Hold during MoveDelay Enable/Disable hold signal during piercing process (Start Delay 5).
• Hold polarity Hold signal polarity
Prestop is used to shutdown the plasma arc before motion ends. As the current rampdown takes a small amount of time
before the arc actually extinguishes, prestop is used to turn the plasma off just before the actual cutting path ends. This way
arc will not stay on while the machine sits at the end point. Prestop time is set from the plasma software (time is used as a
value and the prestop distance is calculated based on cutting speed and deceleration).
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