From which version of Compact Control Builder AC800M is available TCPCommLib library?
I have Compact Control Builder v5.0 but I don't find this library for it.
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Please define which protocol you need to use for TCP/IP.
From CBM help:
"Ethernet is the primary physical communication link between controllers and controllers/PCs.
For further information about Control Network settings, see the AC 800M Communication Protocols (3BSE035982*) manual"
In case you want to use CN1 port, it should be MMS or SattBus protocols, then the libraries MMSCommLib or SattBussCommLib are available in CBM.
In case you need to use ModbusTCP/IP, the library is ModBusTCPCommLib (also availavle), but in this case you need CI867.
There are also other communications processors, using TCP/IP with different protocols.