Siemens links
- main link: http://www.automation.siemens.com/_en/portal/index.htm
- Forum: http://www.automation.siemens.com/WW/forum/en/guests/Conference.aspx?ForumID=41
- Mall: https://mall.automation.siemens.com/de/guest/guiRegionSelector.asp?lang=en
- Catalog: http://www.automation.siemens.com/order_formular/html_00/resoform.asp?lang=en
- Support (hotline): http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo2&aktprim=99&lang=en
Communities and forum
Join the Automation List at control.com!
- I put it as first link, it means that it's worth something!
http://www.control.com/alist
Other interesting communities
Automation portals
- Automation.com http://www.automation.com/
- Control engineering http://www.manufacturing.net/ctl/
Tutorials
Selected tutorials and articles
- Tutorials at Siemens http://www.automation.siemens.com/fea/html_76/down_module.htm
- Tutorials at ENM http://www.enm.com/training/siemensstepcourses.asp#Basics%20of%20PLCs
- Tutorials by Hugh Jack http://claymore.engineer.gvsu.edu/~jackh/plcbook.html
- Tutorials and training stuff at industrialtext http://www.industrialtext.com/
- Tutorials at the learning pit http://www.thelearningpit.com/
- Tutorials at plcman http://www.plcman.co.uk/plc/
- The Automation List PLC files archive: http://www.control.com/PLCArchive
Fieldbuses reference
Need a link to Profibus, Can, Hart, Modbus, and many others ?
Visit Rob Hulsebos web site http://ourworld.cs.com/rahulsebos/
Ethernet & Co.
- Ethernet protocol analyzer at http://www.ethereal.com
- Tutorials at Lantronix http://www.lantronix.com/training/tutorials/etntba.html
- Protocols description http://www.protocols.com
- Contemporary Controls http://www.ccontrols.com/extension.htm
- TCP/IP resources list http://www.private.org.il/tcpip_rl.html