Difference between revisions of "Communication"
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*http://en.wikipedia.org/wiki/Profibus | *http://en.wikipedia.org/wiki/Profibus | ||
*http://www.profibus.com/pb/ | *http://www.profibus.com/pb/ | ||
+ | |||
+ | =OLE for Process Control (OPC)= | ||
+ | |||
+ | *http://en.wikipedia.org/wiki/OLE_for_process_control |
Revision as of 10:30, 11 May 2006
EIA/RS232-422-485:
- http://www.rs485.com/rs485spec.html
- http://www.arcelect.com/RS485_info_Tutorial.htm
- http://www.arcelect.com/485info.htm
- http://www.bb-elec.com/tech_articles/rs422_485_app_note/table_of_contents.asp
- http://www.maxim-ic.com/appnotes.cfm/appnote_number/723
- http://www.interfacebus.com/Design_Connector_RS422.html
- http://ckp.made-it.com/rs485.html
- http://www.lammertbies.nl/comm/info/RS-485.html