Last seen: Sep 19, 2026
Log the sag first. A soft starter is an easy sell with a trace. And don't tune the drives to hide it.
What are the conveyors, belt, chain, roller? And what's the motor current on the drive display against the nameplate, with the line running as normal?
Before you touch the 1769-IT6. What did they extend the wiring with, type K extension, or whatever two core was on the shelf?
Don't buy the motor yet. Two questions. Does the nameplate say inverter duty, or give an insulation voltage rating? And what's the carrier frequency s...
Don't make it less touchy, the drive's protecting itself and the motor. Why the morning is the question. Damp, I reckon. Damp nights, cold? Megger the...
Same second means the supply, not a drive. What else starts at those times? Anything big on the same transformer, a compressor, a chiller, an oven?
Agree. One caveat: if a second compressor ever turns up and one becomes the trim unit, that's where the 30 percent lives, and that one gets the VFD. N...
There's your flicker. The mute holds while both sensors are made in the right order. With 36in between sensors and a 40in load with a gap in it, the g...
The drive is still switching when that contactor opens under load. Current interrupted mid cycle, then the contacts bounce and the motor reconnects wi...
The curtain is checking itself, and it's fine. OSSD outputs drop low for a very short pulse every so often, that's how the curtain proves the output s...
You measured with the drive off, at the breaker. Measure under load, at the drive's input terminals. And what's between the breaker and the drive, fus...
The VFD quote. What's the compressor controller doing, load and unload on a switch and nothing else? A VFD on a load-unload screw with no way to modul...
Shorter pallets is the change, start there. How far apart are the two muting sensors, and how long is the new pallet load. And is the load solid down ...
Then the curtain is right and the rep is wrong about alignment. A beam with steel in it is a blocked beam. Two ways out. Move the bracket. Or fixed b...
The drive starts at 0 Hz and expects a stopped motor. Yours is a generator at minus 300 rpm. The first PWM pulses hit a spinning rotor with its own ba...