First check https://issues.apache.org/jira/projects/PLC4X/issues and if there is no issue regarding your issue. Then open a ticket there to additionally you can always ask questions on the public mailing list of the project dev@plc4x.apache.org. Thank you! :)
Questions tagged [apache-plc4x]
22 questions
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1 answer
Can Netty automatically handle queueing of requests?
In the Apache PLC4X project (https://plc4x.apache.org) we are implementing drivers for industrial PLCs using Netty. Here usually a variety of protocols are layered. Some times one layer requires us to split up one message into multiple messages of…
Christofer Dutz
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Plc4x library Modbus serial (RTU) get is not retrieving data
I am trying to write a sample program to retrieve temperature data from SHT20 temperature sensor using serial port with apache plc4x library.
private void plcRtuReader() {
String connectionString =
…
0
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1 answer
PLC4X:Exception during scraping of Job
I'm actually developing a project that read data from 19 PLCs Siemens S1500 and 1 modicon. I have used the scraper tool following this tutorial:
PLC4x scraper tutorial
but when the scraper is working for a little amount of time I get the following…
David Zamora
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write String type data prompt 【PlcRuntimeException: Not implemented yet】
I need to write string, real, integer, byte data to the PLC, but will prompt me when I write string data StaticHelper.serializeS7String How can I meet my requirements?
org.apache.plc4x.java.api.exceptions.PlcRuntimeException: Not implemented yet
at…
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1 answer
Plc4x addressing system
I am discovering the Plc4x java implementation which seems to be of great interest in our field. But the youth of the project and the documentation makes us hesitate. I have been able to implement the basic hello world for reading out of our PLCs,…
Yvus
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How can I access S7-200 SMART using PLC4x in Java?
I want to access S7-200 Smart using PLC4x. I have tested PLC4x on S7-1200, and it works. However, when I try to access S7-200, it always fails.
The CPU of the PLC is 6ES7 288.
Here are the code snippets:
plc.connectionURL =…
zhy1378
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I am looking for and example of how to use Plc4xSinkProcessor in NiFi
I currently have Plc4xSourceProcessor working in NiFi thanks to the Apache NiFi walk through. I have Modbus data coming from a Modbus slave to the Plc4xSourceProcessor. That processor is connected to a PutTcp processor that sends it to another NiFi…
J Hurst
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