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11 PLC Communication

Siemens PLCs

Siemens communicates with their PLCs over Ethernet using a proprietary protocol:

There are various tools implementing S7 Communication, both free and commercial.

Alternatively, the PLC can execute user-created code to make use of the Ethernet interface to send and receive messages:

  • HAGEcom (our HAGE-specific, proprietary network protocol)
kb/production/plc-communication.txt · Last modified: 2019/09/25 08:01 by joerg.hampel