I have got more than 25 years experience with Siemens equipment. Ranging form S5 to PCS7. One of my greatest project was the the upgrade of the PCS7 system and Palabora Mining Company. I was the team lead who started and and completed the upgrade with team of instrumentation technicians. the project consisted of the following components 45 AS, 40 clients, 5 server pairs, historian, Data Monitor, Data Bridge and Down Time Monitor. the project was upgrade form version for to version 7. A lot of custom blocks had to be re-written to enable us to build a custom library. Other projects included the design, built, installation commissioning of mine winders and other plants on mines.