Can the relay power supply be changed from +24V to -24V? How to change it

2016-07-07View Original

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Reply #22016-07-08

+24V, 0V, -24V – these mainly relate to the choice of reference point. Theoretically, 24V should be used, and either terminal can be chosen; a voltage of 48V can be obtained by using + and -24V. Be careful about the polarity of the power supply when using it. By the way, what is the reason why you need to make the above modifications?

Reply #32016-07-08

I haven’t tried it; I only know that the operating voltage for a relay is positive, and I’ve never heard that it can be changed to negative.

Reply #42016-08-04

It’s possible, as long as the original +24V terminal is connected to the modified 0V terminal, and the original 0V terminal is connected to the modified –24V terminal.

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Can the relay power supply be changed from +24V to -24V? How to change it

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