SiemensS7-1200
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Why am I being shown a red cross on the TIA Online Portal?
Why am I being shown a red cross on the TIA Online Portal?
SiemensS7-1200
Answers
Top answer
This is a fault in the communication setting between the drive and the PLC. The cause may be:
- Mismatched connection to Prefinet or IP network / address
- The messages received by the PLC are not sequentially configured
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