Xiaofan Chen wrote: > On Wed, Jun 3, 2009 at 9:34 PM, Gerhard Fiedler > wrote: > >> Xiaofan, can you please point me to a line of cheap PLCs? I've searched >> a bit, but it seems to need some market knowledge to get there... Google >> hasn't yet a price range in its advanced search :) I seem to remember >> that there are some viable options in the sub-$300 price range, but I >> didn't find any. >> > From my employer (you can get the price from distributors around > the world). > http://www.ab.com/programmablecontrol/plc/pico/controller.html > http://www.ab.com/programmablecontrol/plc/micrologix1000/ > > From low cost vendors like Automation Direct > http://www.automationdirect.com/ > http://web1.automationdirect.com/adc/Shopping/Catalog/Programmable_Controllers/CLICK_Series_PLCs_(Stackable_Micro_Brick)/PLC_Units Thanks a lot, that is helpful. The only downside to PLCs is that it seems that most IO is based on 24V. Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist