Libraries
9.4 Open user communication library
S7-200 SMART
536 System Manual, V2.3, 07/2017, A5E03822230-AF
: The program returns error 25 when the RECV function receives more data than
the buffer can support. In our case, continue as if nothing happened.
Active partner symbol table
The table below lists the Symbol names, addresses, and comments for the Active partner
(client) program.
On for the first scan cycle only
StateIdleWait 4
StateTransmitWait 6
Milliseconds for receive timeout
Milliseconds between send commands
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