FANUC Robot Ethernet Tutorial: Setting Up PLC I/O Communication

Learn how to set up Ethernet/IP communications, including steps for both the FANUC controller and the Studio 5000 environment for a Rockwell PLC. Connecting a PLC to a FANUC robot via Ethernet/IP offers numerous benefits for industrial automation. It gives access to integrated control, allowing coordination between different manufacturing process components. The PLC can send … Read more

Two Common Methods Used for Mapping Robot I/O Communication

There are multiple methods for mapping inputs and outputs to an industrial robot. In this article, we cover two of the most popular methods: letting the robot or the PLC control the I/O signals. There is one unavoidable question to ask during your next robotic design, no matter what brand of robot is used: you … Read more

How MQTT is Used for Industrial Automation

Learn about the background and use of message queue telemetry transport (MQTT) in the industrial automation industry. The History of Message Queue Telemetry Transport (MQTT) MQTT was developed in 1999 by Andy Stanford-Clark with IBM and Arlen Nipper to connect measuring devices on oil pipelines to their SCADA (Supervisory Control and Data Acquisition) system via … Read more

The TLS (Transport Layer Security) Protocol in Secure Modbus/TCP

What is TLS and what is its role in the Modbus-TCP version of the Modbus protocol? Security comes with added protocol complexity. Many industrial control systems rely upon encapsulating Modbus Application Protocol (MBAP) Protocol Data Unit (PDU) messages carried on a TCP/IP network within a “TLS” layer to secure communications. The combined solution is called ‘Modbus/TCP … Read more

Making Sense of Serial Communication Methods

This article provides an introduction to several serial communication methods and how to understand and apply them. Industrial automation systems have always required special communication methods in order to be programmed and to work seamlessly between networked devices. Generations of proprietary and open-source standards have led to a confusing web of related techniques and terms. … Read more

Fundamentals of Industrial Networking: Basic Terms and Concepts

This article includes a list of some common definitions for industrial networking concepts, described in simplified terms to provide a baseline understanding of the concepts. Networking for industrial devices involves many concepts and terms that are uncommon for industrial electrical professionals. Although communication does involve electrical signals, that’s about the end of the list of … Read more