HP105 Plasma arc voltage height controller
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1. Determine a mounting location for the HP105. Keep the
following points in mind:
To avoid overheating and potential damage to the control box
from cutting process fumes, DO NOT choose a mounting location
directly above the torch.Find a mounting location away from the
torch lifter unit.
2. Attach the wires from the CNC,the plasma,the lifter motor and
lifter limit switches to a connector and then to the control box at the
receptacle. To reduce noise emission, 20 AWG (0.5 mm2) shielded
cable is recommended. Filters consisting of a resistor and capacitor
can be connected only directly to the motor.
3. Connect a 12 AWG (2.5 mm2) ground wire to the ground
screw located on the control box and then, to the machine ground
rail of your cutting system.
3.3 Divided voltage board
Controlling the arc voltage must inspect the changing of plasma
arc voltage. The plasma arc voltage equals the voltage that is
between the pole and ground. The anticathode which put out the
plasma power is connected to the ground. The Cathode connects
to the pole which is in the cutting gun. So the voltage in the