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Hardware connection
November 24, 2013
17:56, EET
Forum Posts: 25
Member Since:
October 17, 2013
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Hi I have a quick question to see if I have understood this correctly.

The way that OPC-UA works with hardware is not any more magic than:

Have one hardware driver module with an API.
Have one OPC-UA DataModel of the hardware that have accses to the API.
When on create a method within the datamodel, it basically calls the hardware api to make the hardware reacto on OPC-UA methods?

HardwareDriver—–>OPC-UA DataModell with variables, methods,alarms and so on—–>OPC-UA server.

OPC-UA Client browse the addresse space —-> calls method in OPC-UA hardware datamodell —-> GO THROUG THE OPC-UA WORLD —-> Hardware API —>Hardware reacts.

So its not like a magical thing that just suddenly can sense the hardware :P ?
Its just an abstraction of the hardware making it easier for a user to simply create a collected connection to multiple hardware?

November 25, 2013
11:09, EET
Jouni Aro
Forum Posts: 960
Member Since:
December 21, 2011
sp_UserOfflineSmall Offline

Yes, it is all very straight forward like that.

November 25, 2013
13:13, EET
Forum Posts: 25
Member Since:
October 17, 2013
sp_UserOfflineSmall Offline

Thank you for confirming :)

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