The C82 and most of our cnc4pc breakout boards have 3 relays. Two of them are intended to for use controlling a VFD and the 3rd one is a general-purpose relay that can be tied to the enable line via the SCHP (Safety Charge Pump), so it can be used to drive the main contactor of the system or to control power to the DC Servos.
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What is the purpose of the relay when wired to gecko drivers as shown in photo?
245 views  September 23, 2019