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Mach4 General Discussion / Re: Mach 4, ESS & G540 Input issues
« on: May 06, 2016, 07:49:21 PM »
The G540 inputs are not looking for a voltage presented on the input terminal.
It has an internal resistor pulled up to 12 VDC, and responds when something
shorts the input to ground on terminal number 12.
It has an internal resistor pulled up to 12 VDC, and responds when something
shorts the input to ground on terminal number 12.