It is more the norm that brand A motor will probably be used with brand B VFD. Conversely, the VFD and motor are only sometimes manufactured by a common company. ![]() A simple motor code is all the amplifier needs to know everything about the connected motor. The reason for the difference is servo motors and their amplifiers are always bought together from one manufacturer. The VFD auto-tuning asks the load is detached from the motor when the auto-tune is performed. The tuning will help adjust gains for positioning and speed loops. ![]() ![]() With servo motors and amplifiers (close cousins of the VFD and induction motor), the auto-tuning function will probably have more to do with tuning the servo pair to their loads. As the name auto-tune implies, any operation that calculates and adjusts things automatically at the user’s behest can be called an auto-tune function.
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