Kommunikationsnetz-Anordnung

摘要

A communication network apparatus accessed to a programmable logic controller (PLC) exclusive network from a manufacturing automation protocol (MAP) network. The PLC exclusive network uses an authorized protocol due to a specific vendor. A station number and control data within the PLC exclusive network is described by the same format (in a unified manner), Access is made from a host computer to PLC local stations in a gate-way manner (i.e., through a gate-way machine or apparatus).