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Author Topic: how to test mach3 with parallel port pin?  (Read 1513 times)
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vominhkhai
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« on: July 16, 2010, 09:45:44 PM »
hi, Im khai, i have question. How to test mach3 with parallel port pin. i have parallel port with LED. Mach3 run but i don't see led light.
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Hood
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« Reply #1 on: July 17, 2010, 02:39:14 AM »
How have you got the LED connected?
When you say it runs do you mean Mach DROs change or do you mean you are you meaning you have motors connected and they run?
Is it an onboard parallel port or is it a PCI one?
Hood
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vominhkhai
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« Reply #2 on: July 17, 2010, 03:13:11 AM »
I'm connect to led with LPT gate ( gate printer).
I don't know signal out put of mach to LPT gate. You can answer the question to me.
thanks
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vominhkhai
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« Reply #3 on: July 17, 2010, 03:44:12 AM »
i don't know Where the diagnostics page shows outputs on the  step and direction pins? I just saw 8 led-on ( at port 1 pin current state, that are ground). mach3 to run when it is just 8 LED scroll on while Dro
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