ADT-HC4500 Flame/Plasma Cutting Machine CNC System
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2. Start arc M12
3. Wait for arc voltage test signal (IN0)
When arc starts, the height adjuster initializes the positioning automatically (height adjuster with initial
positioning, which is disabled in parameters); perforates, delays, and sends a successful arc voltage test signal to
the controller. The control system starts next action when detects the arc voltage signal.
B. When height adjustment system and initial positioning are disabled:
1. Start arc, start arc delay M12
2. Perforating, perforating delay
3. Torch down
3. Start cutting
M08 q Turn off fixed cutting cycle, and the operation sequence follows:
Flame:
1. Turn off cutting oxygen valve;
2. Torch up
Plasma:
1. Turn off arc M13
2. Turn off height control M23 (torch up if height control and initial positioning are not
enabled)
M02 r Program end instruction
2) Other M instructions:
M10/M11 p Ethyne valve switch, M10 (ON), M11 (OFF)
M12/M13 q Cutting oxygen valve switch, M12 (ON), M13 (OFF)
r M14/M15 Torch up switch, M14 (ON), M15 (OFF)
M20/M21 s Ignition switch, M20 (ON), M21 (OFF)
M24/M25 t Preheating oxygen valve switch, M24 (ON), M25 (OFF)
u M52 Fixed ignition cycle (controlled by time in “Control” interface)
v M70 Fixed torch up cycle (controlled by time in “Control” interface)
w M71 Fixed torch down cycle (controlled by time in “Control” interface)
x M72 Fixed perforating torch up cycle (controlled by time in “Control” interface)
y M73 Fixed perforating torch down cycle (controlled by time in “Control” interface)
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