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  1. MemsElec

    Sharing of DC commons

    Thanks guys for all your help. just to finish off what I am doing. The DC Power supply using twisted is 2 1/2 ft away from a pcb that distributes the signals. the relays are mounted on the PCB. Once the signal exit the PCB the wiring Also goes out in twisted pair to all the rest of the...
  2. MemsElec

    Sharing of DC commons

    So you are saying that its ok to share the 25V common for every purpose without the requirement of any filtering between the different components. The Power Supply itself is Isolated from the AC primary power. +/-15VDC is mainly used to supply power to other components. The analog signals run...
  3. MemsElec

    Sharing of DC commons

    I am designing a control system with a Power supply providing +15V, -15V and +24V DC. My question is in regards to the use of the 24V common. Since I only have 1 power supply providing power for all my DC signal, I use the same common for every function that requires use of the 24V common. I...

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