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Serial communications protocol
transmitted. The Modbus protocol uses serial communication lines, Ethernet, or the Internet protocol suite as a transport layer. Modbus supports communication
Modbus
Family of industrial computer network protocols
connect their programmable logic controllers (PLCs) called Modbus. In its first version Modbus used a two wire cable with EIA 485 UART signals. The protocol
Fieldbus
Programmable digital computer used to control machinery
About this same time, Modicon created Modbus, a data communications protocol to be used with its PLCs. Modbus has since become a standard open protocol
Programmable_logic_controller
Control system architecture for supervision of machines and processes
SCADA protocols include Modbus RTU, RP-570, Profibus and Conitel. These communication protocols, with the exception of Modbus (Modbus has been made open by
SCADA
Use of Ethernet in an industrial environment
EtherCAT, EtherNet/IP, PROFINET, POWERLINK, SERCOS III, CC-Link IE, and Modbus TCP. Many industrial Ethernet protocols use a modified media access control
Industrial_Ethernet
Computer network protocol
inter-master station communications. Competing standards include the older Modbus protocol and the newer IEC 61850 protocol. While IEC 60870-5 was still under
DNP3
CS1 maint: deprecated archival service (link) "MODBUS/TCP Security Protocol Specification" (PDF). Modbus Organisation Inc. Archived from the original (PDF)
List of TCP and UDP port numbers
List_of_TCP_and_UDP_port_numbers
Model of communication of seven abstraction layers
WebDAV SOAP OpenID REST API OAuth GraphQL ActivityPub Git DNS over HTTP HL7 Modbus WebSocket CoAP 6 Presentation ISO/IEC 8823 X.226 ISO/IEC 9576-1 X.236 MIME
OSI_model
MelsecNet II, /B, and /H, supported by Mitsubishi Electric. Modbus PEMEX Modbus Plus Modbus RTU or ASCII or TCP MPI – Multi Point Interface OSGP – The
List_of_automation_protocols
German manufacturer
suppression. In addition, Phoenix Contact manufactures products for use with Modbus, DeviceNet, EtherNet/IP, CANopen, PROFIBUS and PROFINET networks. The company
Phoenix_Contact
Software design pattern
good example of where a facade is used is in register indexed values like Modbus, I2C or Special function register. In this UML class diagram, the Client
Facade_pattern
Multidrop serial communication standard
implement industrial control systems, including the most common versions of Modbus and Profibus. DH 485 is a proprietary communications protocol used by Allen-Bradley
RS-485
Internet-like structure connecting everyday physical objects
actuators found in IoT equipment, particularly those that use protocols such as Modbus, Bluetooth, Zigbee, or proprietary protocols, to connect to an Edge Gateway
Internet_of_things
Type of adjustable-speed drive
transmitting the intended speed over a communication protocol such as Modbus, Modbus/TCP, EtherNet/IP, or via a keypad using Display Serial Interface while
Variable-frequency_drive
Error-detecting code for detecting data changes
x^{16}+x^{13}+x^{12}+x^{11}+x^{10}+x^{8}+x^{6}+x^{5}+x^{2}+1} CRC-16-IBM Bisync, Modbus, USB, ANSI X3.28, SIA DC-07, many others; also known as CRC-16 and CRC-16-ANSI
Cyclic_redundancy_check
Standard for serial communication between devices without host computer
buses – List of single collision domain electronic communication bus systems Modbus – Serial communications protocol MOST bus – High-speed multimedia network
CAN_bus
Category of computer technology
become adopted as 'standard' industrial communications protocols (e.g. DNP3, Modbus, Profibus, LonWorks, DALI, BACnet, KNX, EnOcean and OPC-UA). More recently
Operational_technology
Industrial safety communications protocol
Industrial Ethernet implementations, namely PROFINET, SERCOS III, EtherNet/IP, Modbus-TCP, and POWERLINK. This broad compatibility with about 90% of the installed
OpenSafety
Highest layer of network communication models
Protocol MIME (S-MIME), Multipurpose Internet Mail Extensions and Secure MIME Modbus MQTT Protocol Netconf NFS, Network File System NIS, Network Information
Application_layer
Topics referred to by the same term
line of Macintosh portable computers by Apple Inc. Modbus Plus, an extended version of the Modbus serial communications protocol published by Modicon
MBP
Relationship between devices in which one controls the other
controlling multiple slaves. I2C and I3C may even have multiple masters on a bus. Modbus also uses a master device to initiate connection requests to slave devices
Master–slave_(technology)
Programming tool for network-aware devices
connectors supporting a wide range of data sources and protocols such as Modbus, OPC-UA, Siemens S7, and MQTT. Several PLC and IoT vendors have adopted
Node-RED
Topics referred to by the same term
laser Coil, a binary digit or bit in some communication protocols such as Modbus COIL, the gene that encodes the protein coilin Coiled tubing, a long metal
Coil
Device that interfaces serial hosts to a network
wiring. It can also be used with industrial devices (Allen-Bradley, Siemens, Modbus) so that those devices can be run transparently across the network. Virtual
Terminal_server
Japanese semiconductor manufacturer
connectivity. It supports 6 protocols: PROFINET RT/IRT, EtherNET/IP, POWERLINK, Modbus/TCP, EtherCAT, TSN, and Sercos III. The family includes, RZ/A and RZ/G for
Renesas_Electronics
Instrument for measuring solar irradiance
speed sensor, Wind Direction Sensor, and Relative Humidity, with only one Modbus RTU output connected directly to the Datalogger. This feature is one of
Pyranometer
Serial cable connecting two computers
themselves to short run serial communication through protocols such as DNP3, Modbus, and other IEC variants. The Electric, Oil, Gas, and Water Utilities are
Null_modem
Devices that converts between protocols of data
between Modbus RTU and Modbus TCP. In this conversion, there is no change in the overall framing. Hence it is easy to take the Serial Modbus RTU frame
Protocol_converter
Japanese manufacturer of industrial automation products
time limited use. IDEC systems support Ethernet, Bluetooth, SCADA, email, MODBUS, FTP data transmission, remote access, monitoring and control. The products
IDEC_Corporation
Process control systems and associated instrumentation
systems can normally also support Foundation Fieldbus, PROFIBUS, HART, Modbus and other digital communication buses that carry not only input and output
Industrial_control_system
Computer peripheral to collect telemetry data
(RS-232, RS-485, RS-422) or Ethernet). An RTU may support standard protocols (Modbus, IEC 60870-5-101/103/104, DNP3, IEC 60870-6-ICCP, IEC 61850 etc.) to interface
Remote_terminal_unit
American company
automation using open and proprietary communications protocols such as Modbus, Lonworks and BACnet. Tridium is the developer of Niagara Framework. The
Tridium
Communication protocol used for building automation
testing for both the BTL Mark and the Certificate of Conformance. LonWorks Modbus "Standard 135-2016-- BACnet--A Data Communication Protocol for Building
BACnet
Topics referred to by the same term
Business, a college degree MBus (Nokia), a bus used with Nokia mobile phones Modbus This disambiguation page lists articles associated with the title MBus.
MBus
Electromechanical device
such as SSI, BiSS, Heidenhain EnDat, Sick-Stegmann Hiperface, DeviceNet, Modbus, Profibus, CANopen and EtherCAT, which typically employ Ethernet or RS-422/RS-485
Rotary_encoder
Industrial communication standards
their system integrators have the necessary training.[citation needed] Modbus RTU Lonworks KNX (standard) IEC 61850 MTConnect "What is OPC?". OPC Foundation
Open_Platform_Communications
Recording device
supports multi-drop instruments. Some data logging companies support the MODBUS standard. This has been used traditionally in the industrial control area
Data_logger
German software company
protocols, including MQTT, OMA LWM2M, LPWAN, OPC Unified Architecture, Modbus, and CAN bus. Remote and bulk IoT device management functions include provisioning
Cumulocity
Physical experiment about cyberattacks
vulnerability is especially a concern because most grid equipment supports using Modbus and other legacy communications protocols that were designed without security
Aurora_Generator_Test
Computerized control systems with distributed decision-making
fieldbus digital protocols, such as Foundation Fieldbus, profibus, HART, modbus, PC Link, etc. Modern DCSs also support neural networks and fuzzy logic
Distributed_control_system
Cyberattacks on Russia by the hacker collective
of industrial control systems, they conducted a small hack on a Russian Modbus device which they've announced on a hacked Chinese cultural website, although
Anonymous and the Russian invasion of Ukraine
Anonymous_and_the_Russian_invasion_of_Ukraine
Communications system
mA standard, and today it coexists alongside other technologies such as Modbus, Profibus, and Industrial Ethernet. Foundation Fieldbus today enjoys a growing
Foundation_Fieldbus
Network device that permits data flow in only one direction
In 2022, Fend Incorporated released a data diode capable of acting as a Modbus Gateway with full optical isolation. This diode is targeted at industrial
Unidirectional_network
Data transfer channel connecting parts of a computer
connector: ARINC 429 CAN bus ("Controller Area Network") IEEE 1355 MIL-STD-1553 Modbus Other serial buses include: Camera Link eSATA ExpressCard IEEE 1394 interface
Bus_(computing)
Software platform
page hosted on the Ignition Gateway. Current included drivers include: Modbus Driver Simple UDP and TCP Drivers BACnet Driver Allen-Bradley Driver Suite
Ignition_SCADA
Part of an electrical transmission and distribution system
Today, standardized communication protocols such as DNP3, IEC 61850 and Modbus, to list a few, are used to allow multiple intelligent electronic devices
Substation
Style of industrial warning lights
fieldbus networked control through popular industrial networks such as Modbus, DeviceNet, Profibus, CAN-Open or ASi. Flashing control may be provided
Stack_light
Industrial touch screen panel PC
ports and connectivity options such as serial port, EtherNet/IP, CAN bus, Modbus. A panel PC typically has a touchscreen (Touch Panel PC) which enables users
Panel_PC
Standard for remote reading of utility meters
sent in BCD format. Energy portal Automatic meter reading Feed-in tariff Modbus Net metering OLE for process control OpenHAN Smart meter Utility submeter
Meter-Bus
Automation architecture term
situation. Just a few of the many examples of helping technologies are Modbus, Fieldbus, Ethernet, etc. It is more recently used by automation specialists
Islands_of_automation
Control of a system by computer
language are Building Automation Control Network (BACnet), LonWorks (Echelon), Modbus TCP and KNX. When different direct digital control data networks are linked
Direct_digital_control
valves, PLC, DCS, SCADA and industry-recognized HMI supervisory systems. Modbus/TCP is a standard offering via Ethernet interfaces from some flow computers
Flow_computer
Building automation network
temperature between -274.0 and 6279.5 degrees Celsius at a precision of 0.1 °C. Modbus BACnet "LonWorks Technology Achieves ISO/IEC Standardization" (Press release)
LonWorks
Group of information security researchers
bruteforcing for ICS devices. These devices work over industrial protocols such as modbus, Siemens S7, MMS, ISO EC 60870, ProfiNet. In 2014 Shodan used some of the
SCADA_Strangelove
South Korean IT company and subsidiary of Samsung Group
Constrained Application Protocol (CoAP), Bluetooth Low Energy (BLE), Zigbee, and Modbus, and is in use in the manufacturing, construction, smart city, and smart
Samsung_SDS
Device used to measure electricity use
industrial meters use protocols for programmable logic controllers, like Modbus or DNP3. One protocol proposed for this purpose is DLMS/COSEM which can
Electricity_meter
reach 26 I/Os per device. With implementation of IEC 61850, along with Modbus, DNP3.0 and IEC 60870-5-101/104 the PRO Series set out to be a power metering
SATEC
One of the de facto standards (which is now becoming an open standard) is Modbus, originally from Modicon. Many PCNs used token passing based protocols because
Process_control_network
Control center for a smart home
control, access control, fire detection systems, and associated equipment. Modbus, an openly published and royalty free data communications protocol, especially
Smart_home_hub
Vehicle communications protocol
the Dronecode Project. a. MODBUS often runs over RS-232. b. DDS Borrows an Interface Definition Language from CORBA. c. MODBUS over TCP port 502. d. Airbus
Cyphal
Malware targeting network routers and storage devices
seems to be designed in part to target serial networking devices using the Modbus protocol to talk to and control industrial hardware, as in factories and
VPNFilter
CIP, ControlLogix backplane, EtherNet/IP, Siemens Industrial Ethernet, Modbus TCP. There are hundreds of automation device protocols and EATM solutions
Enterprise appliance transaction module
Enterprise_appliance_transaction_module
Electronic device
integrated with Building Management Systems using multiple protocols such as Modbus. Using SNMP protocols leak detection systems can inform IT staff in charge
Water_detector
2-wire serial data and power interface
Archived eBUS specifications – application layer V1.6.1 (March 2007) Archived Modbus eBUS daemon – a C++ based daemon for communication with eBUS heating systems
EBUS_(serial_buses)
System using algorithmic detection of electrical faults
or Ethernet (copper or fibre-optic). Communication languages may include Modbus, DNP3 or IEC61850 protocols. By contrast, an electromechanical protective
Numerical_relay
Seven layer OSI model
OPC, DALI, DSI, BACnet, TCP/IP, Control4, Crestron, AMX, RTI, LonWorks, ModBus, Charmed Quark Controller, the Comfort Intelligent Home System and some
C-Bus_(protocol)
Series of programmable logic controllers
communication modules for various types of communication buses (RS232, ModBus, GPRS, ...). Optional: 4-port Ethernet network switch Optional: Connection
Simatic
List of definitions of terms and concepts used in electrical engineering and electronics
handset that connects to the public switched telephone network by radio. Modbus A brand name for a serial protocol for industrial control equipment communication
Glossary of electrical and electronics engineering
Glossary_of_electrical_and_electronics_engineering
concrete messages of a specific IoT protocol such as MQTT, HTTP, CoAP, Modbus or OPC UA. The WoT Thing Description defines 3 kinds of Interaction Affordances
Thing_Description
Intelligent network based lighting control
Art-Net Bluetooth mesh Lighting model C-Bus Dynalite INSTEON Lonworks MIDI Modbus RDM VSCP X10 Z-Wave The new type of control for lighting system is using
Lighting_control_system
directly supported by Eclipse NeoSCADA: Command Line Applications JDBC Modbus TCP and RTU Simatic S7 PLC Other protocols can be implemented by writing
Eclipse_NeoSCADA
RESTful Web Services-based interfaces to building control systems
controllers. There are many well established binary protocols (BACnet, LonTalk, Modbus, DALI) that are used on these dedicated networks in addition to numerous
OBIX
2009 compact plug computer
network performance assessment. BACnet Gateway by Kara Systems, a M-Bus, Modbus and OneWire gateway which represents a BACNet Device Pwnie Express is a
SheevaPlug
Satellite communications company
product includes a RS-485 serial interface for connection to SCADA devices, Modbus protocol interfaces for implementing reporting and telemetry capabilities
SkyWave_Mobile_Communications
hacked several Russian websites and industrial control systems such as Modbus devices and emphasized that "Anonymous is not a group, not a country, but
Non-government reactions to the Russian invasion of Ukraine
Non-government_reactions_to_the_Russian_invasion_of_Ukraine
Device for monitoring particle contamination
may feature one of a variety of output options including 4-20 mA, RS-485 Modbus, Ethernet and pulse output. Modified aerosol portable particle counter that
Particle_counter
Industrial Automation Software
Ignition 8.3, was released in fall 2025. Current drivers include A-B suite, ModbusTCP, Siemens S7 and Simple TCP/UDP, allowing users to connect to a multitude
Inductive_Automation
Technology standards consortium
controlling attached hardware or Interworking with other technologies (Modbus, CAN-Bus, OPC-UA gateways, etc.) On the infrastructure (Platform) the separation
OneM2M
Microwave Millman's theorem Mineral-insulated copper-clad cable Mobile phone Modbus Model predictive control Modem Modulation transformer Modulation Monoscope
Index of electrical engineering articles
Index_of_electrical_engineering_articles
μA 40 mA N/A N/A N/A N/A N/A 96 kB N/A N/A 1 MB x N/A x x N/A N/A N/A x Modbus TSmoTe TST Sistemas N/A N/A ARM Cortex®M3 72 MHz N/A N/A N/A FreeRTOS M
List_of_wireless_sensor_nodes
11a, WirelessHART, and others. Future candidates include networks such as Modbus. The future potential to integrate a huge variety of networks is unlimited
Fieldbus_Foundation
Protocols Industrial data processing relies on communication protocols such as Modbus, OPC-UA, PROFIBUS, and MQTT to transmit data between field devices, control
Industrial_data_processing
MODBUS
MODBUS
MODBUS
MODBUS
Boy/Male
Gujarati, Hindu, Indian
Son of Satrughna
Boy/Male
Hindu, Indian
Shy
Girl/Female
Arabic, Muslim
Italian Culture; Derived from Sabine
Girl/Female
Muslim/Islamic
Intelligent
Girl/Female
Indian
First Ray of Sun
Boy/Male
American, British, English, French
Reference to the French Town Dax
Male
Greek
(ἈβιοÏδ) Greek name ABIOUD means "my father is majesty." In the bible, this is the name of the son of Bela.
Girl/Female
Indian, Modern, Tamil
Pretty
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Marathi, Sindhi, Tamil
Sweeties; Sweet
Girl/Female
Gujarati, Indian, Kannada, Marathi, Traditional
Flowing River
MODBUS
MODBUS
MODBUS
MODBUS
MODBUS