My adventure started with a burst of optimism guided by a lack of experience. After quite a bit of shopping I decided on a PM1340GT as best fitting my size requirement after a few years of using an inherited Atlas 10F. After the Atlas experience I was convinced that an old style gearbox and...
I've been using an old ABB analog VFD to run my unisaw. It's a big bulky thing and I haven't been able to find any documentation for it.
Recently it's stopped working. The rightmost of the 4 ("fault") leds flashes and no motor run.
Can anyone give me any guidance on diagnosing this?
Also...
I just installed a Teco L510 VFD to run my mill. I wanted to use a momentary pushbutton "Forward", "Reverse" and "Stop" switch, However, the VFD requires the switch status to be constant, so I designed a simple circuit using two latching DPDT relays to achieve the correct interface. I also made...
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