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...
by James Powell | Jun 25, 2021 | Troubleshooting
Chapter 1 Introduction to Diagnostics in Operational Technology Operational Technology (OT) deals with all the technology used to control a factory or process plant. In the last 30 years, it has seen three significant changes. The first was the introduction of...
by James Powell | Jun 21, 2021 | Uncategorized
Highway Addressable Remote Transducer (HART) has had a long history and is used extensively in process automation. In the early days of HART, the protocol was mainly used to set up instruments in a point-to-point manner using a HART Modem. Now, these HART instruments...
