by James Powell | Apr 29, 2024 | Troubleshooting
Have you ever wondered what would happen if you took the cable at the end of a PROFIBUS network and connected it back to the beginning of the network? Well, I have. Being involved with Troubleshooting, I have thought of all the different ways you could mess up a...
by James Powell | Feb 21, 2024 | Troubleshooting
Introduction: When PROFINET was first released, almost all the nodes communicated at 100 Mbps. You had the odd device that communicated at 10 Mbps, but that was non-PROFINET and was not a big deal. In the last few years, things have changed. We now have 1,000 Mbps...
by James Powell | Jun 15, 2023 | Troubleshooting
Looking at the PROFIBUS DP waveforms and signal levels are key to determining if there is a problem and identifying that problem. In the last update of both our PROFIBUS Troubleshooting and Maintenance course and our Certified PROFIBUS Network Engineering course, JCOM...
by James Powell | May 24, 2023 | General
Modbus is the Grand-daddy of industrial protocols. It has been around since the mid-70s. One would think it had gone the way of the Eight-track tape by now. I have heard, ‘Oh Modbus, it is dead – isn’t it?’ Well, No, it is not. As I have...
by James Powell | Mar 9, 2023 | Troubleshooting
There has been a lot of talk about ChatGPT. My colleague Cambel Lai has been playing with it, and it is certainly impressive technology. However, as others have noted, it should be used cautiously. This is especially true when applied to industrial communications. We...
