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Old March 2nd, 2018, 08:03 PM   #1
ds7891
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Variable Speed Magnetic Vibrator

I need something to vary the speed of a magnetic vibrator.

It's 120vac Single Phase, 60HZ, 0.5amp.

Need something I could give a 4-20ma signal to so speed can be adjusted via PLC.

Can't use a door/device mounted POT.

I don't have a ton of space in the cabinet either. So something small.

Any idea?
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Old March 2nd, 2018, 08:08 PM   #2
seth350
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Solid state relay. Used them for control of 120V vibratory motors on a check weighing machine.
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Old March 2nd, 2018, 08:14 PM   #3
mendonsy
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A small VFD should work.
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Old March 2nd, 2018, 08:44 PM   #4
ds7891
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SSR like the ones used for tempering heat in an extrusion process like this one?

https://www.gavazzionline.com/pdf/RM1EAAdatasheet.pdf

Last edited by ds7891; March 2nd, 2018 at 09:29 PM.
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Old March 2nd, 2018, 09:53 PM   #5
GaryS
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Here's where you need to go
i have been using them for years i know they have a control board that will except a 0-10V or 4-20ma signal from a plc i have used it.
i have set one up with 1 control board relay connected to 10 vibratory feeders selected from the plc

https://www.eriez.com/NA/EN/Products...-Conveyors.htm
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Old March 3rd, 2018, 12:15 PM   #6
gas
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+1 Gary S
Also used them since they came out.
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Old March 5th, 2018, 03:25 PM   #7
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A very simple dimmer is enough, as you do not need to control the speed, but the power.
Even a simple variac is enough.
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