hummm you need to measure, or check a alarm condition? with 300 using alarm condition is possible only alarmmed sensors will be reported at bus, it's not temperature convertion it's only alarm information (alarm on/off)
measuring temperature you should use (i don't remember the owfs file name) a option to convert all sensors at same time, but ensure a good power supply and after read one by one without convert temperature (the same owfs file do this) 2014-10-01 15:04 GMT-03:00 Jerry Scharf <sch...@lagunawayconsulting.com>: > Hi, > > I am looking at using 18b20s to measure some load resistors and a couple > other things. This is for a large bank of unit under test. The thing is > that there are 300 load resistors plus 20-30 other channels to track. > Then again, if we do a second monitor point, that's another 300 sensors. > >From my experience with 30 sensors, having 300 is going to take a number > of buses to be able to poll in finite time. > > How many buses make sense? What type of bus masters should I choose? We > will have some type of monitor computer, probably a linux box. > > thanks in advance, > jerry > > > ------------------------------------------------------------------------------ > Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer > Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports > Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper > Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer > http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clktrk > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers -- Roberto Spadim SPAEmpresarial Eng. Automação e Controle ------------------------------------------------------------------------------ Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clktrk _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
