Microstep Website http://www.microstep.cc/eng
北京欣斯达特数字科技有限公司 Beijing Flourishing Start Digital Technology Co., Ltd
page: 27
3. open arc-strike switch
4. check “arc voltage” signal, if choose “arc voltage check (0)”, then doesn’t check arc
voltage, after successful arc-strike, pierce delay
5. open torch height controller (M38), run left program
M08 close cutting cycle
Flame cutting as below:
1. close cutting oxygen (M13):
2. close torch height controller (M39)
3. torch up (M70)
Plasma cutting as below:
1. close arc voltage switch
2. close torch height controller
3. torch up (M70)
M50 pierce
1. torch up (M72), no this movement when plasma cutting
2. open cutting oxygen (M12); or plasma strike arc, check “arc voltage success” signal
3. torch down (M73), no this movement when plasma
M52 ignition cycle
Open gas (acetylene) valve (M10), open high voltage ignition (M20), ignition delay time,
close high voltage ignition (M21)
M70 torch up cycle
At the start and the end of the program, torch up, and move to next cutting position: open
torch up switch (M14), torch up delay time, close torch up switch (M15)
M71 torch down cycle
Used before pierce: open torch down switch (M16), torch down delay, close torch down
switch (M17)
M72 pierce torch up cycle
Used after preheat, torch up a little to avoid steel slag blocking nozzle when open cutting
oxygen. Open torch up switch (M14), pierce torch up delay time, close torch up switch
(M15)
M73 pierce torch down cycle
Used after preheat and M72, open cutting oxygen, put torch at the cutting position, the
reverse movement of M72: open torch down switch (M16), pierce torch delay time, close
torch down switch (M17)
M75 torch location delay time
Torch down (M16), touch low limit position (input port 8 XXW), torch stop (M17), then torch
up open (M14), torch location delay time, torch up stop
M60 total close
After M80 all output close
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