| 摘要 |
This invention relates to a programmable logic controller (PLC) provided with communication functions in a client-server architecture and a private operating system that does not support the TCP/IP protocol but is adapted to automation programs and is equipped firstly with at least one intelligent module (MM, UC) in which an HTTP server is installed, and also a communication module (MC) that can be connected to remote equipment (C) through a bus, characterized by the fact that the intelligent module (MM, UC) is provided with an application programming interface (TCP API) that makes it possible to use connection and communication (TCP) functions of the TCP/IP type of communication module (MC), from a remote location.
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