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...
by James Powell | Jun 27, 2020 | Troubleshooting
My PROFIBUS troubleshooting tool of choice is ProfiTrace by PROCENTEC – an excellent tool. In my toolbox, I also have a cable tester called the HP-25 by HI-PORT CONTROLS in the UK. If I am working on a new segment, I will take it out and use it. However, up until now,...
by James Powell | Jan 12, 2020 | Troubleshooting
Life as a maintenance person can be very difficult at times. They are presented with mysteries on a daily bases. One of my favorites is when there is a temporary PROFIBUS issue – you are called down to the machine but by the time you get there, everything is working...
by James Powell | Jun 27, 2019 | Uncategorized
Recently, PROCENTEC released an aggregated TAP (Test Access Point) called EtherTAP for use with either Wireshark or Osiris running on Atlas or Mercury. I loved the device! It gave me the sense that I could finally see what was going on. Why did I feel this way? Before...
