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General Mach Discussion / Re: Clarification of charge pump frequency
« on: January 22, 2008, 02:06:24 AM »
We use opto-isolation straight after the port pin, and get a result of ~2.4KHz at every kernel speed. Might be we used wrong opto-isolators, or a wrong transistor (for converting to 24VDC), as I test the freq. on a PLC. Still a couple tests to go.
Wojtek
Wojtek