Every method of connecting to an industrial device—USB, serial, or Ethernet—poses challenges. For Ethernet, we often must adjust the IP address of our PC, not only the device itself. The story is familiar. You find yourself configuring a new networked device to find that it only contains a single or double Ethernet port. No familiar … Read more
Learn about Modbus security in industrial automation, including vulnerabilities, fixes, and alternative solutions. There are many pros and cons associated with the integration of security on existing Modbus systems. The primary driver for security introduction is the addition of TCP/IP networking to utilize cloud networking, and this brings with it many potential vulnerabilities. Concern for … Read more
High-level IT/OT integration in a manufacturing environment involves skills in networking communication and field equipment. This example involves automating remote connections between computers. A modern SCADA/DCS system environment comprises IT and OT infrastructure, including servers, workstations, network switches/routers, PLCs, RTUs, and IEDs that can be configured and tuned with a central software platform. Ansible is … Read more
Controlling an industrial robot can be done through the use of well-crafted signal handshakes. Follow along as we dive into several robot-to-PLC communication strategies. In an automated environment, we use program instructions, oftentimes in ladder logic or structured text, to command robots and other equipment to do work. However, external devices like those robots and … Read more
Networked remote I/O allows us to work with a machine center separately from the rest of the system, and drop the solution right in place. If you are worried about the distance between machines or the age of an old machine becoming a hindrance to bringing your operation into the 21st century, don’t worry. Computer … Read more
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