CAN-Bus Intelligent Network Communication Equipment Based on PLC

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Abstract:

The development trend of PLC is that the functions are more, the integration level is greater and the network function is greater. Nowadays, the manufacturers of PLC develop there own network. PLC technique has two development trends. On one hand, PLC network system is not a self-contained closed system any longer and develops towards open system. Various PLC not only has distinctive PLC network systems and completes device control task, but also network with the superior computer management system to realize information exchange, which makes it become one part of information management system. On the other hand, the field-bus technique is widely applied. PLC is connected with the intelligent equipments installed on site such as intelligent instrument, sensor, intelligent solenoid valve, intelligent drive actuator by a transmission media ( such as twisted pair, coaxial cable and cable), and they transmit information mutually according to the same communication protocol, which can form a field industrial control network. Compared with single PLC remote network, the network not only has the advantages of flexible configurations, easy expansion, low cost and higher cost performance, but also has opening significance. Programmable Logic Controller TWDLCAE40DRF

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1017-1021

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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