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Distributed Network Protocol 3 (DNP3) is a set of communications protocols used between components in process automation systems. Its main use is in utilities such as electric and water companies. Usage in other industries is not common. It was developed for communications between various types of data acquisition and control equipment.
WITS-DNP3 is a DNP3 protocol based protocol primarily used for larger 'always-on' utility assets. WITS-DNP3 is very well suited to traditional SCADA Telemetry control operations. WITS-DNP3 is based on the DNP3 protocol level2+, and uses DNP3’s generic protocol extension mechanism to define and provide the additional functionality required by ...
IEC 60870-5-101 [IEC101] is a standard for power system monitoring, control & associated communications for telecontrol, teleprotection, and associated telecommunications for electric power systems.
IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations.It is a part of the International Electrotechnical Commission's (IEC) Technical Committee 57 reference architecture for electric power systems. [1]
Modbus or MODBUS is a client/server data communications protocol in the application layer. [1] It was originally designed for use with programmable logic controllers (PLCs), [2] but has become a de facto standard communication protocol for communication between industrial electronic devices in a wide range of buses and networks.
DNP3's use is on the rise at least here in New Zealand. The company I'm working for is upgrading all the RTU communications to DNP3 from conitel. The US and Australian SCADA markets are not small. Furthermore, the WITS Consortium in the UK has standardized on DNP. DNP growth may seem threatened by protocols such as IEC-61850, though they're ...
2,4-Dinitrophenol, a small organic molecule formerly marketed as a pharmaceutical "diet aid"; Deoxyribonucleoprotein, a complex of DNA and protein; Distance to neutral point, a quantity which is important when considering thermal expansion mismatch
The basis for STEP was the Product Data Exchange Specification (PDES), which was initiated during the mid-1980's and was submitted to ISO in 1988. [4] [5] The Product Data Exchange Specification (PDES) was a data definition effort intended to improve interoperability between manufacturing companies, and thereby improve productivity.