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DeviceNet was originally developed by American company Allen-Bradley (now owned by Rockwell Automation). It is an application layer protocol on top of the CAN (Controller Area Network) technology, developed by Bosch. [2] DeviceNet adapts the technology from the Common Industrial Protocol into an open standard. [3]
ControlNet – an implementation of CIP, originally by Allen-Bradley; DeviceNet – an implementation of CIP, originally by Allen-Bradley; DF-1 - used by Allen-Bradley ControlLogix, CompactLogix, PLC-5, SLC-500, and MicroLogix class devices; DNP3 - a protocol used to communicate by industrial control and utility SCADA systems
Allen-Bradley is the brand-name of a line of factory automation equipment owned by Rockwell Automation.The company, with revenues of approximately US $6.4 billion in 2013, manufactures programmable logic controllers (), human-machine interfaces, sensors, safety components and systems, software, drives and drive systems, contactors, motor control centers, and systems of such products.
Compact PLC with 8 inputs and 4 outputs Modular PLC with EtherNet/IP module, discrete and analog I/O, with some slots being empty There are four types of mechanical design for PLC systems. A single box (also called a brick ) is a small programmable controller that fits all units and interfaces into one compact casing, although, typically ...
ControlNet is an open industrial network protocol for industrial automation applications, also known as a fieldbus.ControlNet was earlier supported by ControlNet International, but in 2008 support and management of ControlNet was transferred to ODVA, which now manages all protocols in the Common Industrial Protocol family.
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Sensors and actuators that do not have an AS-Interface connection can be connected to the system via modules. For modules with penetration technology, the AS-Interface flat cable must be used. Here is a flat cable drawing. The topology of the AS-Interface networks is arbitrary. You can build lines, star, ring or tree structures.
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