This is a list of

communication protocol A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any kind of variation of a physical quantity. The protocol defines the rules, syntax, semantics and synchroniza ...

s used for the

automation Automation describes a wide range of technologies that reduce human intervention in processes, namely by predetermining decision criteria, subprocess relationships, and related actions, as well as embodying those predeterminations in machines ...

of processes (industrial or otherwise), such as for

building automation Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, ...

, power-system automation, automatic meter reading, and

vehicular automation Vehicular automation involves the use of mechatronics, artificial intelligence, and multi-agent systems to assist the operator of a vehicle (car, aircraft, watercraft, or otherwise).Hu, J.; Bhowmick, P.; Lanzon, A.,Group Coordinated Control ...

Process automation protocols

* AS-i – Actuator-sensor interface, a low level 2-wire bus establishing power and communications to basic digital and analog devices * BSAP – Bristol Standard Asynchronous Protocol, developed by Bristol Babcock Inc. * CC-Link Industrial Networks – Supported by the CLPA * CIP (Common Industrial Protocol) – can be treated as application layer common to

DeviceNet 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 ran ...

, CompoNet, ControlNet and EtherNet/IP * ControlNet – an implementation of CIP, originally by

Allen-Bradley Allen-Bradley is the brand-name of a line of factory automation equipment, today owned by Rockwell Automation. The company, with revenues of approximately US $6.4 billion in 2013, manufactures programmable logic controllers ( PLC), human-mach ...

– an implementation of CIP, originally by

* DF-1 - used by

ControlLogix, CompactLogix, PLC-5, SLC-500, and MicroLogix class devices * DNP3 - a protocol used to communicate by industrial control and utility SCADA systems * DirectNet – Koyo / Automation Direct proprietary, yet documented PLC interface * EtherCAT * Ethernet Global Data (EGD) – GE Fanuc PLCs (see also SRTP) * EtherNet/IP – IP stands for "Industrial Protocol". An implementation of CIP, originally created by

Rockwell Automation Rockwell Automation, Inc. is an American provider of industrial automation whose brands include Allen-Bradley, FactoryTalk software and LifecycleIQ Services. Headquartered in Milwaukee, Wisconsin, Rockwell Automation employs approximately 26,000 ...

* Ethernet Powerlink – an open protocol managed by the Ethernet POWERLINK Standardization Group (EPSG). *

FINS A fin is a thin component or appendage attached to a larger body or structure. Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilize motion while traveling in water, air, or other fluids. F ...

, Omron's protocol for communication over several networks, including ethernet. *

FOUNDATION fieldbus Foundation Fieldbus (styled Fieldbus) is an all- digital, serial, two-way communications system that serves as the base-level network in a plant or factory automation environment. It is an open architecture, developed and administered by FieldCom ...

– H1 & HSE * HART Protocol * HostLink Protocol, Omron's protocol for communication over serial links. * Interbus, Phoenix Contact's protocol for communication over serial links, now part of PROFINET IO * MECHATROLINK – open protocol originally developed by Yaskawa, supported by the MMA * MelsecNet, and MelsecNet II, /B, and /H, supported by

Mitsubishi Electric , established on 15 January 1921, is a Japanese multinational electronics and electrical equipment manufacturing company headquartered in Tokyo, Japan. It is one of the core companies of Mitsubishi. The products from MELCO include elevators a ...

. *

Modbus PEMEX Modbus is a data communications protocol originally published by Modicon (now Schneider Electric) in 1979 for use with its programmable logic controllers (PLCs). Modbus has become a ''de facto'' standard communication protocol and is now a commo ...

Modbus Plus Modbus is a data communications protocol originally published by Modicon (now Schneider Electric) in 1979 for use with its programmable logic controllers (PLCs). Modbus has become a ''de facto'' standard communication protocol and is now a commo ...

* Modbus RTU or ASCII or TCP * OSGP – The Open Smart Grid Protocol, a widely use protocol for smart grid devices built on ISO/IEC 14908.1 * OpenADR – Open Automated Demand Response; protocol to manage electricity consuming/controlling devices * Optomux – Serial (

RS-422 RS-422, also known as TIA/EIA-422, is a technical standard originated by the Electronic Industries Alliance that specifies electrical characteristics of a digital signaling circuit. It was meant to be the foundation of a suite of standards tha ...

/485) network protocol originally developed by

Opto 22 {{Unreferenced, date=September 2009 Opto 22 is a manufacturing company specializing in hardware and software products for industrial automation, remote monitoring, and data acquisition. The company is based in Southern California and sells solid st ...

in 1982. The protocol was openly documented and over time used for industrial automation applications. * PieP – An Open Fieldbus Protocol * Profibus – by PROFIBUS & PROFINET International (PI) * PROFINET - by PROFIBUS & PROFINET International (PI) * RAPIEnet – Real-time Automation Protocols for Industrial Ethernet * Honeywell SDS – Smart Distributed System – Originally developed by

Honeywell Honeywell International Inc. is an American publicly traded, multinational conglomerate corporation headquartered in Charlotte, North Carolina. It primarily operates in four areas of business: aerospace, building technologies, performance ma ...

. Currently supported by Holjeron. * SERCOS III, Ethernet-based version of SERCOS real-time interface standard * SERCOS interface, Open Protocol for

hard real-time Real-time computing (RTC) is the computer science term for hardware and software systems subject to a "real-time constraint", for example from event to system response. Real-time programs must guarantee response within specified time constra ...

control of motion and I/O * GE SRTP – GE Fanuc PLCs *

Sinec H1 Sinec H1 is an Industrial Ethernet communications protocol that provides the transport layer function widely used in automation and process control applications. The protocol was developed by Siemens and is used mainly for control applications. ...

– Siemens *

SynqNet SynqNet is an industrial automation network launched in 2001 by Danaher Corporation for meeting the performance and safety requirements of machine control applications. Synqnet is built over Ethernet link and 100BASE-TX In computer networkin ...

– Danaher * TTEthernet – TTTech * MPI –

Multi Point Interface The Multi-Point Interface – Siemens (MPI) is a proprietary interface of the programmable logic controller SIMATIC S7 of the company Siemens. It is used for connecting the stations programming (PC or personal computer), operator consoles, and oth ...

Industrial control system protocols

* MTConnect * Open Platform Communications, formerly OLE for process control * OPC Unified Architecture *

Data Distribution Service The Data Distribution Service (DDS) for real-time systems is an Object Management Group (OMG) machine-to-machine (sometimes called middleware or connectivity framework) standard that aims to enable dependable, high-performance, interoperable, re ...

from the

Object Management Group The Object Management Group (OMG) is a computer industry standards consortium. OMG Task Forces develop enterprise integration standards for a range of technologies. Business activities The goal of the OMG was a common portable and interoperab ...

Building automation protocols

1-Wire 1-Wire is a device communications bus system designed by Dallas Semiconductor Corp. that provides low-speed (16.3 kbit/s) data, signaling, and power over a single conductor. 1-Wire is similar in concept to I²C, but with lower data rates and ...

– from Dallas/Maxim *

BACnet BACnet is a communication protocol for building automation and control (BAC) networks that use the ASHRAE, ANSI, and ISO 16484-5 standards protocol. BACnet was designed to allow communication of building automation and control systems for appli ...

– for Building Automation and Control networks, maintained by

ASHRAE The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE ) is an American professional association seeking to advance heating, ventilation, air conditioning and refrigeration (HVAC&R) systems design and constructio ...

Committee SSPC 135. * BatiBUS - merged to KNX * C-Bus Clipsal Integrated Systems Main Proprietary Protocol * CC-Link Industrial Networks, supported by

* DALI - Digital Addressable Lighting Interface specified in IEC 62386. * DSI - Digital Serial Interface for the controlling of lighting in building, precursor to DALI. *

Dynet DyNet is the communications network and communications protocol for Dynalite lighting automation and building automation Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), ...

- lighting and automation control protocol developed in Sydney, Australia by the company Dynalite * EnOcean – Low Power Wireless protocol for energy harvesting and very lower power devices. * European Home Systems Protocol (EHS) - merged to KNX * European Installation Bus (EIB) named also Instabus - merged to KNX * INSTEON - SmartHome Labs Pro New 2-way Protocol based on Power-BUS. * KNX – Standard for building control. Previously Batibus/EHS/EIB * LonTalk – protocol for LonWorks technology by Echelon Corporation * Modbus RTU or ASCII or TCP * oBIX - Open Building Information Exchange is a standard for RESTful Web Services-based interfaces to building control systems developed by

OASIS In ecology, an oasis (; ) is a fertile area of a desert or semi-desert environmentUPB - 2-way Peer to Peer Protocol * 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 Z-Wave is a wireless communications protocol used primarily for residential and commercial building automation. It is a mesh network using low-energy radio waves to communicate from device to device, allowing for wireless control of smart home d ...

- Wireless RF Protocol *

ZigBee Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and ...

– Open protocol for Mesh Networks

Power system automation protocols

* DNP3 – Distributed Network Protocol * IEC 60870-5 * IEC 61850 * IEC 62351 – Security for IEC 60870, 61850, DNP3 & ICCP protocols

Automatic meter reading protocols

ANSI C12.18 A smart meter is an electronic device that records information such as consumption of electric energy, voltage levels, current, and power factor. Smart meters communicate the information to the consumer for greater clarity of consumption be ...

* DLMS/IEC 62056 * IEC 61107 * M-Bus *

OMS OMS or Oms may refer to: Education * Oakland Middle School, Murfreesboro, Tennessee * O'Banion Middle School, Garland, Texas * Odle Middle School, Bellevue, Washington * Orefield Middle School, Orefield, Pennsylvania * Open Mind School, Redwood ...

ZigBee Smart Energy 2.0 Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and othe ...

* Modbus *

ANSI C12.21 A smart meter is an electronic device that records information such as consumption of electric energy, voltage levels, current, and power factor. Smart meters communicate the information to the consumer for greater clarity of consumption beha ...

ANSI C12.22 ANSI C12.22 is the American National Standard for Protocol Specification for Interfacing to Data Communication Networks ANSI C12.22/IEEE Std 1703 describe a protocol for transporting ANSI C12.19 table data over networks, for the purpose of interop ...

Automobile / Vehicle protocol buses

Controller Area Network A Controller Area Network (CAN bus) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other's applications without a host computer. It is a message-based protocol, designed originally for ...

(CAN) – an inexpensive low-speed serial bus for interconnecting automotive components * FlexRay – a general purpose high-speed protocol with safety-critical features *

IDB-1394 IEEE 1394 is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer. It was developed in the late 1980s and early 1990s by Apple in cooperation with a number of companies, primarily Sony an ...

* IEBus * J1708 – RS-485 based SAE specification used in commercial vehicles, agriculture, and heavy equipment. * J1939 and ISO11783 – an adaptation of CAN for agricultural and commercial vehicles * Keyword Protocol 2000 (KWP2000) – a protocol for automotive diagnostic devices (runs either on a serial line or over CAN) *

Local Interconnect Network LIN (Local Interconnect Network) is a serial network protocol used for communication between components in vehicles. It is a single wire, serial network protocol that supports communications up to 19.2 Kbit/s at a bus length of 40 meters. The need ...

(LIN) – a very low cost in-vehicle sub-network * Media Oriented Systems Transport (MOST) – a high-speed multimedia interface *

Vehicle Area Network The Vehicle Area Network (VAN) is a vehicle bus developed by PSA Peugeot Citroën and Renault. It is a serial protocol capable of speeds up to 125 kbit/s and is standardised in ISO 11519-3. At the media layer, VAN is a differential bus with domin ...

(VAN) *

UAVCAN Cyphal is a lightweight protocol designed for reliable intra-vehicle communications using various communications transports, originally destined for CAN bus, but targeting various network types in subsequent revisions. OpenCyphal is an open-sourc ...

- a lightweight protocol for in-vehicle communication over CAN or Ethernet

References

{{List of Automation Protocols Industrial Ethernet Control engineering