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Modbus RTU

& RS-232/422/485 

Proven Modbus products enabling you to...

  • easily implement a Modbus RTU or serial interface into your devices
  • connect your Modbus RTU or serial devices with any other industrial network
  • interconnect a Modbus RTU or serial networks with any other fieldbus or industrial Ethernet network

What is Modbus RTU?
Products for Modbus RTU

Anybus Modbus RTU Gateways 

Interconnect Modbus RTU networks

Anybus X-gateways allow the connection of your Modbus RTU master/slave and serial device or network to many other fieldbus or Industrial Ethernet networks.

Anybus X-gateway for Modbus-RTU

  • Modbus master or slave functionality on the Modbus RTU network, and slave/master functionality with the other networks
  • Compatible with all leading PLCs
  • Easy configuration, no programming!

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Connect Modbus RTU or serial devices with other networks

Anybus Communicator connects your non-networked serial RS-232/422/485 device to any other industrial network. 

Anybus Communicator for CANopen

  • No hardware or software modification on your device required
  • Compatible with all leading PLCs
  • Complete protocol conversion
  • For fieldbus, Ethernet, CAN, serial
  • With tool for easy serial frame building

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Integrate Modbus RTU devices to a BACnet/IP system

Anybus Modbus to BACnet Gateway enables control and supervision in a building installation by allowing Modbus devices to show up as individual BACnet-compliant devices on a BACnet/IP network. 

Anybus-Modbus-to-BACnet

  • No hardware or software modification on your device required
  • Connects devices on Modbus RTU/ TCP networks to BACnet/IP
  • Connects up to 254 modbus devices

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Integrate Modbus RTU devices to a KNX system

Anybus Modbus to KNX Gateway enables control and supervision in a building installation by allowing Modbus devices to show up as individual KNX-compliant devices on a KNX network. 

Anybus-Modbus-to-KNX

  • No hardware or software modification on your device required
  • Connects devices on Modbus RTU/ TCP networks to KNX
  • Connects up to 254 modbus devices

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Transmit transparent I/O data between Modbus RTU and TCP

Anybus Modbus RTU to TCP gateway is a simple way to transmit transparent I/O data between devices on a Modbus RTU and Modbus TCP network.

modbus-tcp-rtu

  • Function as a Modbus-TCP Server routing the Modbus-TCP client queries to Modbus-RTU and back
  • Modbus RTU Master functionality connecting up to 32 Modbus RTU slaves
  • Very simple configuration (node address, IP-address etc)

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Embedded Modbus RTU solution

Integrate Modbus RTU or serial connectivity into your industrial devices

Anybus CompactCom for Modbus RTU

Anybus CompactCom

The ready-made communication interface for your device, proven and trusted by millions of devices.

  • Available in an interchangeable module form format with or without the plastic housing 
  • Provides Modbus RTU slave functionality 
  • Modbus RTU network updates and maintenance provided free-of-charge by HMS

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What is Modbus RTU?

Modbus was originally developed by Modicon and today, it is managed by the Modbus User Organization. Modbus is an open Master/Slave application protocol, that can be used on several different physical Layers. Modbus is an application-layer messaging protocol, positioned at level 7 of the OSI model.

It provides client/server communication between devices connected to different types of buses or networks. Modbus-RTU (Remote Terminal Unit) means that the Modbus protocol is used on top of a serial line with an RS-232, RS-485 or similar physical interface.

Numerous automation systems have Modbus-RTU interfaces for communication. Modbus devices are certified by the Modbus User Organization for interoperability and conformance to the Modbus specification. 

Technologies

  • CAN & CANopen
  • CC-Link
  • ControlNet
  • DeviceNet
  • M-Bus
  • Modbus RTU (RS-232/422/485)
  • PROFIBUS

Further Technologies

  • Technologies
  • Industrial Ethernet
  • Wireless & Others
Customized OEM solutions
and development services

Case Studies

See how Anybus products solve common connectivity issues

londonelectronics

Anybus Communicator allows London Electronics to effortlessly connect the serial based displays to a PROFIBUS PLC network.

Read more

Berg

Anybus Communicator CAN helps Berg Propulsion could connect a CAN-based propeller display to their control system for boats which uses Modbus-RTU.

Read more

Applications

Industrial devices
PLC manufacturers
Industry solutions

Technologies

Industrial Ethernet
Fieldbus and Serial
Wireless and others
Industrial IIoT

Products

Embedded
Gateways
Wireless

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