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Turn on the arc ignition switch.
Test the signal of "Arc Voltage Successful", which will not be tested if the arc voltage test
option is taken to 0(not test). When arc ignition is successful, the piercing time delay will start to
count in seconds.
Switch on height controller (M38) and run the subsequent program.
M08: fixed loop of cutting stop
The operation sequence of M08 in flame cutting operation is as follows:
1.Close the cutting oxygen valve(M13).
2.Turn off the height controller(M39).
3.Lift the cutting torch(M70).
The operation sequence of M08 in plasma cutting operation is as follows:
Turn off the arc voltage switch.
Turn off the height controller(M39).
Lift the cutting torch(M70).
M50: Piercing action
Lift the cutting torch(M72). There is no this step in plasma cutting operation.
Open the cutting oxygen valve(M12) or turn on plasma arc ignition and check for the signal
of "Arc Voltage Successful".
Lower the cutting torch(M73). There is no this step in plasma cutting operation. Switch on
height controller(M38).
M52: Fixed loop of ignition
Operation sequence: open acetylene(gas) valve(M10); turn on the high voltage
ignition(M20); count the ignition time delay and turn off the high voltage ignition(M21).
M70: Fixed loop of lifting torch
Used at the beginning of a program and at the end of cutting section, this command is to
raise the cutting torch for possibility to move quickly to next cutting position. The operation
sequence is as follows: turn on the torch lifting switch(M14); count the time delay of lifting
torch(refer to 7.3 for flame parameter); turn off the torch lifting switch(M15).