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The Profinet protocol is designed for the fast data exchange between Ethernet-based field devices and follows the provider-consumer model. [1] Field devices in a subordinate Profibus line can be integrated in the Profinet system seamlessly via an IO-Proxy (representative of a subordinate bus system). [3]
Profibus electrical connector. Profibus (usually styled as PROFIBUS, as a portmanteau for Process Field Bus) is a standard for fieldbus communication in automation technology and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens. [1]
A bus coupler is a device which is used to couple one bus to the other without any interruption in power supply and without creating hazardous arcs. A bus coupler is a breaker used to couple two busbars to perform maintenance on other circuit breakers associated with that busbar. It is achieved with the help of a circuit breaker and isolators.
Protocols for industrial Ethernet include EtherCAT, EtherNet/IP, PROFINET, POWERLINK, SERCOS III, CC-Link IE, and Modbus TCP. [1] [2] Many industrial Ethernet protocols use a modified media access control (MAC) layer to provide low latency and determinism. [1] Some microprocessors provide industrial Ethernet support.
INTERBUS is a serial bus system which transmits data between control systems (e.g., PCs, PLCs, VMEbus computers, robot controllers etc.) and spatially distributed I/O modules that are connected to sensors and actuators (e.g., temperature sensors, position switches). The INTERBUS system was developed by Phoenix Contact and has been available ...
The CLPA has been involved in strategic cooperation with other open technology associations in the industrial automation space. These include PROFIBUS & PROFINET International (PI), the OPC Foundation and AutomationML. The cooperation with PI resulted in a standard for interoperability between CC-Link IE and PROFINET. [2]
Additionally more and more components are added to rail vehicles that need far more bandwidth than any field bus can provide (e.g. for video surveillance), so switched Ethernet IEEE 802.3 with 100 Mbit/s is being introduced into train sets (according to the EN 50155 profile). Still all the alternate vehicle buses are connected to the Wire Train ...
The first version of Profisafe was released as early as 1998. [4] A second version in 2005 also enabled use via the Ethernet-based Profinet. According to the PROFIBUS Nutzerorganisation e.V., by 2023 a total of almost 21,7 million devices with Profisafe will be placed on the market by the various manufacturers, and a further 2.8 million devices will be added each year. [5]