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Hi
Your work gives me inspiration to learn more about how things works
Do you plan to go for other Siemens plc ? S7-200 smart or s7-1200/1500?
As per this article https://conference.hitb.org/hitbs…
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When trying to connect to newer PLCs such as S7-1500, I have no problems by just suppling ip address and DB value, but when I try to do the same with S7-400 I get the following error:
![image](http…
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## Problem or use case
Read the "Symbolic Names" from the Siemens PLCs instead of defining the "Addresses" of the values in the PLCs. Reading addresses is considered a legacy method to read values …
Terr4 updated
1 month ago
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Hi,
I connect to a plc S7-1500 or S7-400 without a problem. I can read data from a DB using ReadBytes, ReadVar or ReadStruct.
I'm trying to detect when there is a problem with the connection. I wo…
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Hello,
I have a problem with Node-RED:
continuously communicates with PLCs using node-red-contrib-s7, it worked well for a long time, once migrated Node.JS and Node-RED (without changes to the flows…
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Ler dados - feito
Problema: Sensor a ler os dados em loop;
Falta:
-Conseguir registar dados direitinhos no DataBlock
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As the used moka / snap7 library is originally intended to support S7 Style CPUs ethernet communication, and the Logo 7 and 8 just how to say support that com protocol in a very basic manner, it shoul…
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Hello Expert,
Can you please share a example code(C#) to connect with "S7 200 smart" PLC. Does it require any configuration in PLC side.
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Hello. I'm facing an issue with connection to PLC.
There are two PLCs (S7-300) to connect with one application. Problem happens when the second instance of application is started: one of PLCs faile…
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I wrote a Camel route that reads signals from a Phoenix I/O via modbus protocol every 500 milliseconds.
The I/o Phoenix is connected to my laptop via ethernet cable.
Initially the connection was o…