Respected sir i'm new on here i need som help about can bus sytem, we have a robot who trave by a 3phase induction motor. Indution motor speed controled by lenze vfd in can bus system. I want to update a vfd. Therfor we need first how to i give feedback. When i disconet three wire of can bus to vfd then comes error "FU NOT INSTALED" please heplp me. How to given reddy signal or fu install signal, total three wire use in can bus system 1.CAN HI
2.CAN LOW
3.CAN GND
2.CAN LOW
3.CAN GND