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David26
David26
Bronze ⭐️⭐️⭐️
March 12, 2025
Question

Apache Nifi connect to Siemens Logo using Plc4xSourceProcessor 0.12.0

Hello together,

i am new to Apache Nifi and i try to connect to a Siemens Logo.

I have added the plc4x processors and added the connection string to the processor : Plc4xListenRecordProcessor 0.12.0

Connection string: s7://<myip>:102?localTSAP=0x1000&remoteTSAP=0x2000

i have these datapoints:

{
"word1410": "%DB1.DBW1410:INT",
"word1406": "%DB1.DBW1406:INT",
"word1412": "%DB1.DBW1412:INT",
"word1408": "%DB1.DBW1408:INT",
"bit10_0": "%DB1.DBX10.0:BOOL"
}

David26_0-1741771380769.png

My question is how to add the datapoints?

David26_1-1741771410846.png

When i connect to the plc using node red everything works fine. So i dont believe that i have a configuration issue on the plc.

When i run the flow everything looks to be fine but no data are comming.

Can anyone give me advice how to configure the flow correctly?

Thanks.

David 

 

 

2 replies

VidyaSargur
Community Manager
VidyaSargur
Community Manager
March 14, 2025

@David26, Welcome to our community! To help you get the best possible answer, I have tagged in our NiFi experts @Shelton @SAMSAL @MattWho  who may be able to assist you further.

Please feel free to provide any additional information or details about your query, and we hope that you will find a satisfactory solution to your question.

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Regards, Vidya Sargur, Community Manager Was your question answered? Make sure to mark the answer as the accepted solution. If you find a reply useful, say thanks by clicking on the thumbs up button.
MattWho
Titanium ⭐️⭐️⭐️
MattWho
Titanium ⭐️⭐️⭐️
March 17, 2025

@David26 

I am not familiar with this specific processor "Plc4xListenRecordProcessor 0.12.0".  
I could not find it in Apache NiFi 1.x or 2.x versions.  I could find it in Maven Central either. 

Where did you download this nar that you added to your NiFi?
What version of Apache NiFi are you using?

You may need to reach out to the originator of this custom nar you have added to you NiFi for this processor specific query.

Please help our community grow. If you found any of the suggestions/solutions provided helped you with solving your issue or answering your question, please take a moment to login and click "Accept as Solution" on one or more of them that helped.

Thank you,
Matt

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