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Industrial electricity

Variable Resistance Replacement

aristarcos

hace 5 años

Hi guys, I wanted to know if this resistance can be replaced by a dry contact, for example, a button that switches on one side and another

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mtrangol

hace 5 años

hello, by saying variable resistance do you mean a potentiometer or rheostat? a resistor variable modifies an ohmic value between a fixed terminal and a mechanical mechanism, that?

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servimat1

138.835

hace 5 años

Hi. You can replace a potentiometer or rheostat with a dry contact but both positions must have their own resistance to have any effect. Regards

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rafaeldp

hace 5 años

The first thing to keep in mind is the function that the potentiometer does. What is it used for?

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aristarcos

hace 5 años

Hello varies the speed of a drive

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siste2016

1.968

hace 5 años

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hace 5 años

If you change that resistance you can damage the inverter, I advise you to use another one or a minimum potentiometer of 2K.

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Ennio Montenegro.

44.317

hace 5 años

If you don't make the connection correctly, you will short-circuit the internal source.
In addition, it should be considered that it would no longer fulfill the function of varying the speed, since it would operate between the minimum and maximum programmed. What would work the acceleration and deceleration ramp.

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