On 4/1/2016 1:48 PM, andy pugh wrote: > On 1 April 2016 at 20:07, Dave Cole <linuxcncro...@gmail.com> wrote: >> Profibus is basically an RS485 network as well. I have no idea why >> they used a purple jacket color. > There is an awful lot of purple wiring on the London Underground. > Perhaps that is data cable.
Siemens makes subway cars and rail control systems. If they did the control system, then it is likely Profibus cable. Its frequently used for I/O systems. Dave ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users