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What communication protocols do you use?
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Primarily read data from a web service but posting would also be nice!!
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Hi. You're right about OPC but in Industry there are many closed or commercial solutions. With OPC we can use many protocols with the same OPC server ( Modbus, Profibus, Device Net, MPI, PPI, Unitelway, Control Net, .....).
There is a project in this page:
http://openscada.org
The project is called Utgard, and it's a pure Java OPC client, and the better thing, it's Open Source.Best regards.
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+1 Allen Bradley
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@Prodyut Bora said:
Clipsal (http://www.clipsal.com), a division of Schneider Electric, is into building automation. They have developed an "open standard" protocol called C-Bus (http://www.cbus-enabled.com/default.html).
Why don't you consider adding C-Bus to your list of protocols?
Regards
Prodyut
Unfortunately the C-Bus protocol is not an open standard. It is however available to C-Bus Enabled partners. There is a subset of the protocol available as a 'public' document but it is restricted in its features.
There is a C-Bus to xAP protocol convertor and xAP is very much an open standard - and appears in the survey above. One of the benefits of xAP is that it is very simple yet powerful and its also easy to convert other protocols into xAP and hence integrate them into different applications. Most of the leading HA applications now have xAP plugins.
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Hi
I use :
Modbus RS232
Modbus TCP/IP
Bacnet IP
Bacnet LON
SQL Sybase SQL AnywhereBR
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Dusan, you're in luck. Mango supports them all. (Ok, not BACnet LON).
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How about KNX ?
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Good Day,
In our company we use:
LonWorks
BACnet (IP and MSTP)
ModBus
SNMP
KNX (Hope it will be included in the future) -
Modbus/RTU
Modbus/TCPMy company (greenHouse Gas and Electric) supports j2mod which also has support for Modbus/UDP (Modbus/TCP packets over UDP), but I don't personally use Modbus/UDP. I mention j2mod because j2mod is being used as the "base" for posting open source Arduino sketches that support Modbus/RTU and eventually Modbus/TCP and/or Modbus/UDP.
I'd like to do more with 1-wire, just haven't had the time.
I'm toying with creating new protocols, but there are intellectual property issues to resolve.