| 摘要 |
The present invention provides a communication LSI for easily realizing mutually sending and receiving control system data and information system data by incorporating a control system I/O interface used when executing sensor monitoring and actuator drive control, an information system communication interface of Ethernet or others, and a data conversion CPU on one chip. Specifically, when sending control system data from a sensor connected to the control system I/O interface 107 to the Ethernet 106, the control system data stored in the memory 102 is converted to an Ethernet protocol by the CPU 101 and stored in the memory 102. The data converted to the Ethernet protocol is then sent to the Ethernet 106 from the information system controller 105 via the bus controller 104. On the other hand, when sending information system data to the sensor from the Ethernet 106, the reverse procedure of the aforementioned procedure is performed.
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