Communications protocols

Communication protocols for the Industrial Internet of Things (IIoT) are the network protocols used for communication between devices in industrial automation applications.

Ethernet, Feldbus and Modbus

Ethernet, Feldbus and Modbus

There are a variety of different IIoT communication protocols, each with their own advantages. One of the most popular IIoT communication protocols is Ethernet. Ethernet is a reliable and well-tested protocol that is widely used in industrial applications. It is also easy to implement, making it a popular choice for many manufacturers.

Another popular IIoT communication protocol is Fieldbus. Fieldbus was developed for use in factory automation and offers fast data transmission speeds and low latency times. It is also scalable, which means it can be used in applications of any size.

A Modbus communication protocol is a serial communication protocol used for communication between electronic devices. It is widely used in industrial automation applications and can be used to connect a variety of devices, including PLCs, RTUs and HMIs.

The main advantage of the Modbus communication protocol is that it is a very reliable and easy to use protocol. It also supports both polling and interrupts, making it an ideal choice for real-time applications.

Other IIoT communication protocols and how to choose the right protocol

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Other IIoT communication protocols and how to choose the right protocol

Finally, there are a number of proprietary IIoT communication protocols, each with their own advantages. Choosing the right IIoT communication protocol can be difficult, but it is important to choose one that meets the specific requirements of an enterprise application.

Communication between devices in a factory or production line is of utmost importance. This communication can take many different forms, but some of the most common protocols are TCP/IP, UDP, OPC-UA and MQTT.

TCP/IP

TCP/IP

TCP/IP: The Transmission Control Protocol is a communication protocol used to connect devices in a network. It is the most widely used network protocol and is responsible for the transmission of data packets between devices.

UDP

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UDP

User Datagram Protocol is another communication protocol used to connect devices in a network. It is similar to TCP/IP, but faster and less reliable.

OPC-UA

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OPC-UA

OPC Unified Architecture is a communication protocol used to connect devices in industrial automation. It provides a standard method for communication between devices and can be used to transmit data, commands and status updates.

MQTT

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MQTT

Message Queuing Telemetry Transport is a communication protocol designed for use in IoT applications. It allows devices to communicate with each other using small data packets, making it ideal for applications with limited bandwidth or battery power.

MQTT bridges are used to connect different types of MQTT brokers. There are different types of bridges that can be used to connect different MQTT brokers. The main purpose of using a bridge is to provide a communication protocol for the two brokers. The Bridge acts as a translator between the two brokers and ensures that communication between them is seamless.

Using a Bridge has several advantages. Firstly, it allows you to link different brokers together, which can be useful if you want to combine data from multiple sources. Secondly, it offers an easy way to migrate from one broker to another. Finally, it can help improve performance by ensuring that messages are routed through the most efficient broker.