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With most VFD's I've used,( even basic ones) you can accomplish the same function without having a "Jog Feature". As long as there are a couple of digital inputs, and the ability to change the speed reference parameter based on the state of those inputs.

I have used closed loop stepper motors by Oriental Motors ( Alpha-Step series)They work very nicely, compensate if missed steps do occur, have selectable resolution, and "anti-jerk" adjustment to smooth out vibrations. ps. let me know if I shouldn't be using Manufacturer's names on the...

I believe the FLA on the motor nameplate would always be line current, at the voltage specified.

I only see one graph (GRAPH06.bmp)...did the second one not get posted?

Thanks for the feedback everyone...the Canadian Electrical Code is not as specific as the NEC when it comes to Y-Delta motor starting(unless I missed something). I suspected that the conductors were allowed to be downsized as I have seen many such applications with approval stickers, but I just...

I would like to clear up some confusion I have with the proper sizing of fuses/wires for a simple Y-Delta motor starter configuration. I understand the concept of being able to use contactors rated at less than the motor horsepower/FLA and also about setting the overload relay to approx. 0.58%...