S7-1500 Open Ethernet Communication

- Jan 07, 2019-

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Siemens S7-1500 Series defined open Ethernet communication is not only open IE communication, mainly TCP, ISO-ON-TCP, UDP three kinds of communication methods, they have the following characteristics.

Features of TCP Communication protocol

Connection-oriented communication protocols

Establish a connection with three handshakes

Reliability of transmission using "with retransmission confirmation" technology

TCP transmission takes the form of data flow, sending and receiving length requirements are consistent

Addressing with port numbers Suitable for transmission waiting for a large amount of data