YES! This board uses less than 500mA. So, it can be powered with +5vdc from the C82 or pin 26 of the IDC26 for LPT3 of the ESS, or from a USB port.
Read more
Those inputs can be accessed as general-purpose inputs.
Read more
Relays 1 and 2 are intended to be used for controlling the VFD or Speed Controller and are intended to activate the FOR and REV signals (US MODE) or the ON/OFF and CW/CCW (INTernational MODE). But if you do not need to control the VFD, but intend to...
Read more