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Have you seen http://www.imenista.com/pdf/XDXDM%20instruction%20manual.pdf page 288?

I have no experience, but seems to be a reasonable google-hit.

Naprawdę nie wiem o tym, myślę, że powinieneś skontaktować się z Inovance i zapytać ich, w końcu to tylko szybki e-mail do wysłania lub telefon ?

Nie zapomnij dać nam znać, co mówią :)
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Like this, I believe but have never used one so check it out.

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As you know 24V is more common in commercial machines, and there will be an upper limit on the voltage the AXBB-E internal transistors can survive. 12V is more common in cheapskate machines that use...

O1 is the charge pump and I believe it just draws that pin down to ground when it gets a signal from the PC. If it looses connection that pin is not active so it is designed to be used for system...

Section 7 of the manual on page 18 says the 24V supply can be anything between 12 and 24V. 12V works fine as long as the connected devices are designed for it. It's what I use without any problems.
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