What are the advantages and disadvantages of using PWM input vs. analog input servo amplifiers?
Unless I am mistaken, it looks like it is easier to drive the PWM input ones as they can be driven directly off of something like a Mesa 6i24 without the need for the additional analog interface card. I have worked with Pico Systems PWM drives before, as well as Mesa 7i29 amplifiers too. I have no complaints with how those performed. Can I expect the same thing if using, say an AMC drive that has PWM/Dir input? Or would it be better to use an analog input AMC amp combined with an analog interface such as a 7i33 or 7i48? Thanks everyone!
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