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BACnet is a communication protocol for building automation and control (BAC) networks that use the ASHRAE, ANSI, and ISO 16484-5 standards [1] protocol.. BACnet was designed to allow communication of building automation and control systems for applications such as heating, ventilating, and air-conditioning control (), lighting control, access control, and fire detection systems and their ...
DeviceNet is a network protocol used in the automation industry to interconnect control devices for data exchange. It utilizes the Common Industrial Protocol over a Controller Area Network media layer and defines an application layer to cover a range of device profiles.
The protocol is designed to allow reliable communications in the adverse environments that electric utility automation systems are subjected to, being specifically designed to overcome distortion induced by electromagnetic interference (EMI), aging components (their expected lifetimes may stretch into decades), and poor transmission media.
When direct digital controllers are networked together they can share information through a data bus. The control system may speak 'proprietary' or 'open protocol' language to communicate on the data bus. Examples of open protocol language are Building Automation Control Network (BACnet), LonWorks (Echelon), Modbus TCP and KNX.
The Inter-Control Center Communications Protocol (ICCP or IEC 60870-6/TASE.2) [3] is being specified by utility organizations throughout the world to provide data exchange over wide area networks (WANs) between utility control centers, utilities, power pools, regional control centers, and Non-Utility Generators.
VSCP - Very Simple Control Protocol is a free protocol with main focus on building- or home-automation; xAP – Open protocol; X10 – Open standard for communication among electronic devices used for home automation (domotics) Z-Wave - Wireless RF Protocol; Zigbee – Open protocol for Mesh Networks
Migrating existing systems to a new protocol; Real-time performance may suffer for protocols using TCP; Additional complexity associated with network technology; The minimum Ethernet frame size is 64 bytes, while typical industrial communication data sizes can be closer to 1–8 bytes. This protocol overhead affects data transmission efficiency.
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