List of automation protocols

This includes a list of communication network protocols used for process or industrial automation, building automation, substation automation, automatic meter reading and vehicle automation applications

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, CompoNet, ControlNet and EtherNet/IP
ControlNet – an implementation of CIP, originally by Allen-Bradley
DC-BUS – communication over DC power lines, originally by Yamar Electronics Ltd
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
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
Ethernet Powerlink – an open protocol managed by the Ethernet POWERLINK Standardization Group (EPSG).
FINS, Omron's protocol for communication over several networks, including ethernet.
FOUNDATION fieldbus – 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
IO-Link, for sensors, actuators and such^[1]
MECHATROLINK – open protocol originally developed by Yaskawa, supported by the MMA
MelsecNet, and MelsecNet II, /B, and /H, supported by Mitsubishi Electric.
Modbus PEMEX
Modbus Plus
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-422/485) network protocol originally developed by Opto 22 in 1982. The protocol was openly documented^[2] and over time used for industrial automation applications.
PieP – An Open Fieldbus Protocol
Profibus – by PROFIBUS International.
PROFINET IO
RAPIEnet – Real-time Automation Protocols for Industrial Ethernet
Honeywell SDS – Smart Distributed System – Originally developed by Honeywell. Currently supported by Holjeron.
SERCOS III, Ethernet-based version of SERCOS real-time interface standard
SERCOS interface, Open Protocol for hard real-time control of motion and I/O
GE SRTP – GE Fanuc PLCs
Sinec H1 – Siemens
SynqNet – Danaher
TTEthernet – TTTech
MPI – Multi Point Interface

Industrial control system protocols

Building automation protocols

1-Wire – from Dallas/Maxim
BACnet – for Building Automation and Control networks, maintained by ASHRAE Committee SSPC 135.
C-Bus Clipsal Integrated Systems Main Proprietary Protocol
CC-Link Industrial Networks, supported by Mitsubishi Electric
DALI
DSI
Dynet
EnOcean – Low Power Wireless protocol for energy harvesting and very lower power devices.
KNX – World standard for building control. Previously EIB/EHS/BATIBus
LonTalk – protocol for LonWorks technology by Echelon Corporation
Modbus RTU or ASCII or TCP
oBIX
S-BUS-Smart BUS protocol, open protocol for home automation
VSCP
xAP – Open protocol
X10 – Open industry standard
Z-Wave - Wireless RF Protocol
ZigBee – Open protocol for Mesh Networks
INSTEON - SmartHome Labs Pro New 2-way Protocol based on Power-BUS.

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

Automobile / Vehicle protocol buses

Controller Area Network (CAN) – an inexpensive low-speed serial bus for interconnecting automotive components
DC-BUS – physical layer for communication over DC power lines, originally by Yamar Electronics Ltd
FlexRay – a general purpose high-speed protocol with safety-critical features
IDB-1394
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) – a very low cost in-vehicle sub-network
Media Oriented Systems Transport (MOST) – a high-speed multimedia interface
Vehicle Area Network (VAN)

References

^ "IO Link website". Retrieved 2017-10-05.
^ "Optomux Protocol Guide". Opto22.com. 2012-01-08. Retrieved 2012-09-01.

[1] "IO Link website". Retrieved 2017-10-05.

[2] "Optomux Protocol Guide". Opto22.com. 2012-01-08. Retrieved 2012-09-01.

[1]

[2]

v t e Automation protocols
Process automation	AS-i BSAP CC-Link Industrial Networks CIP CAN bus CANopen DeviceNet ControlNet DF-1 DirectNET EtherCAT Ethernet Global Data (EGD) Ethernet Powerlink EtherNet/IP Factory Instrumentation Protocol FINS FOUNDATION fieldbus H1 HSE GE SRTP HART Protocol Honeywell SDS HostLink INTERBUS IO-Link MECHATROLINK MelsecNet Modbus Optomux Process Image Exchange Protocol (PieP) PROFIBUS PROFINET RAPIEnet SERCOS interface SERCOS III Sinec H1 SynqNet TTEthernet
Industrial control system	MTConnect OPC DA OPC HDA OPC UA
Building automation	1-Wire BACnet BatiBUS C-Bus CEBus DALI DSI DyNet EnOcean EHS EIB FIP KNX LonTalk Modbus OpenTherm oBIX VSCP X10 xAP xPL Z-Wave Zigbee
Power-system automation	IEC 60870 IEC 60870-5 IEC 60870-6 DNP3 Factory Instrumentation Protocol IEC 61850 IEC 62351 Modbus PROFIBUS
Automatic meter reading	ANSI C12.18 IEC 61107 DLMS/IEC 62056 M-Bus Modbus Zigbee
Automobile / Vehicle	AFDX ARINC 429 CAN bus ARINC 825 SAE J1939 NMEA 2000 FMS Factory Instrumentation Protocol FlexRay IEBus J1587 J1708 Keyword Protocol 2000 Unified Diagnostic Services LIN MOST SENT (SAE J2716) VAN Cyphal