Re: J1939-11 physical connection on IEC terminal blocks?
Vincent Royer <[email protected]>
| Newsgroups | gmane.comp.hardware.bus.can |
|---|---|
| Message-ID | <CAO7aLnZTCh2BteZE9BEtt7ZqrSdA70ggd2odUn-7CadnJnYSig@mail.gmail.com> |
The DIN rail would be the only place the shield is connected to the chassis - that is the idea. All signals and other system shields also connect in this cabinet. Unless the node modules connect their shields to the case? Is there a standard for that? Thanks for the input! > If you connect the cable shields to the earth terminal, then the DIN rail > will > also be connected to the cable shields. If the DIN rail is screwed down and > making contact with chassis metal, then large earth current could flow > through > the cable shields if a remote CAN node also has its shield connected to > chassis, > and all the chassis components are not well connected (problems can happen > after > years of corrosion and vibration). > > To avoid these problems, only one point in the system should be connected > to the > chassis. > > -- > Archives and useful links: http://groups.yahoo.com/group/CANbus > Subscribe and unsubscribe at www.vector.com/canlist/ > Report any problems to <[email protected]> > >