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Process interfacing via an automation system (PLC, PC)
9.4 Control with FB 79
SIMATIC MV500
Operating Instructions, 03/2021, C79000-G8976-C494-05
171
9.4
Control with FB 79
Principle of data transmission via PROFINET IO
The following figure shows the interfaces of the optical reader that are relevant for data
transmission via PROFINET IO (FB 79).
Figure 9-3
Principle of data transmission via PROFINET IO (FB79)
Note
Relevant bytes of the user data
Bytes 1 to 31 of the "Send" user data interface are relevant. Only bytes 1 to 4 of the "Receive"
user data interface are relevant.
Summary of Contents for SIMATIC MV500
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