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OPC UA Client with node-red

Created by: bergmanu at: 12/19/2016 9:36 AM (59 Replies)

Rating (5)

Thanks 12

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8/31/2017 8:25 AM	Rate (0)
JDarius Posts: 215 Rating: (6)	I tried to dig into this matter some time ago. Look here for some further information.
JDarius Posts: 215 Rating: (6)
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8/31/2017 7:43 PM	Rate (0)
Renan_grz Posts: 3 Rating: (0)	Hi JDarius, thank you for your help, but I'm still doing something wrong here. Could you try to identify? I tried to configure opcua server endpoint as 127.0.0.1 and as 192.168.10.100, wich is the IP of iot2040. In both cases UAExpert client says the same thing. I can't figure out what is wrong. Attachment Desktop.zip (965 Downloads)
Renan_grz Posts: 3 Rating: (0)
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9/1/2017 7:51 AM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 11/5/2024 Posts: 3345 Rating: (379)	Hi, have you already tried to use an example from the developers? You can find some here: https://github.com/mikakaraila/node-red-contrib-opcua/tree/master/examples You can try to run such an example with a server. If this is running you can use the code as basis for your application. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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9/4/2017 4:38 PM	Rate (0)
Renan_grz Posts: 3 Rating: (0)	Thank you bergmanu and JDarius. I found a way to connect to the server with the UAExpert. In the "add server" window there is a tab named "Advanced", I put the Endpoint there and it worked. There is some problems with cirtificate, but is just say you trust the server. Attachment Capture.PNG (1135 Downloads)
Renan_grz Posts: 3 Rating: (0)
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2/14/2018 5:06 PM	Rate (0)
I.D. Posts: 18 Rating: (0)	Hi, the OPCUA Node worked fine so far, but today something changed. Since then I am not able to connect to OPC UA Server. The server is running, I can access it with UAExpert and another Pi with NodRed. What means: Warning: securityToken hasn't been renewed Can someone help me please? Node Red v0.18.1 node-red-contrib-opcua v0.2.22 Attachment 2_UA_error.PNG (962 Downloads)
I.D. Posts: 18 Rating: (0)
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2/17/2018 11:36 AM	Rate (0)
I.D. Posts: 18 Rating: (0)	Solved... it is working after installation of ntp Sync. Maybe it was a timestamp error best regards
I.D. Posts: 18 Rating: (0)
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This contribution was helpful to 1 thankful Users bergmanu

9/7/2018 3:39 PM	Rate (0)
Nze10 Posts: 18 Rating: (0)	Hello, with this topic ns = 3; s = "DB1101 trace balance B1". "Trace". "Heading_trace". "Code_informatique" I recover the Code_informatique. But is it possible to recover the structure of Trace? Because when I do this topic ns = 3; s = "DB1101 trace balance B1". "Trace" I have no information output. cordially..
Nze10 Posts: 18 Rating: (0)
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9/10/2018 1:30 PM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 11/5/2024 Posts: 3345 Rating: (379)	Hi, you only can read out single items. You can use the OPC UA browser node to browse into the PLC. You can find an example here. I didn't manage it yet to browse down to the variables, maybe the code in the example has to be adapted.. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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7/12/2019 5:57 AM	Rate (0)
Jen_Moderator Diamond Member Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (172)	New question published by ak2923 is split to a separate thread with the subject IoT2020 as opc-server - How can access the variable? . Best regards Jen_Moderator

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7/12/2019 5:59 AM	Rate (0)
Jen_Moderator Diamond Member Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (172)	New question published by ak2923 is split to a separate thread with the subject Getting error when installing the opc ua package on the iot2020. Best regards Jen_Moderator

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