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by marco
Sun May 17, 2020 6:38 am
Forum: Message Board
Topic: S7-1200
Replies: 3
Views: 609


Hi everyone,
I am trying to read value from s7-1200 siemens by using s7 protocol.
The connection test works fine but I am not able to read and write value. It shows an error message 27.
Thanks in advance for your help