Re: [EE} Protecting CAN bus
David C Brown <[email protected]>
| Newsgroups | gmane.comp.hardware.microcontrollers.pic |
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| Message-ID | <CAFo_nNpEx33mUhmP-7spyZfw9iPRpAiLiEaS0GGNia_R3-vzWA@mail.gmail.com> |
I am running them from a DC supply (12volt battery) which is distributed on a second pair of the CAT 5 cable) No connection to earth. __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: [email protected] SK23 7ND web: www.bings-knowle.co.uk/dcb <http://www.jb.man.ac.uk/~dcb> *Sent from my etch-a-sketch* On Fri, 27 Jun 2025 at 19:44, Jason White <[email protected]> wrote: > I speculate you are probably "safe enough". > > So long as they are all fed from the same AC supply (I assume you are using > AC->DC power bricks) and don't reference ground (ie. dirt, separate from > local AC supply's "ground" connection). > > I doubt you'd get substantial differences in whatever common mode surges > couple through the power bricks. > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > https://mailman.mit.edu/mailman/listinfo/piclist >