During my studies I learned a lot about Governors. (Regulators) Governing is my specialty. I do also controls for sequencing, process, auxiliaries and protection, which in my opinion is not so challenging as the governors.
Applications are all different and the user friendliness is depending on application engineers who build them. When more engineers work on the same application, the amount of mistakes and double logic is increasing. The best applications are made by formerly field Engineers!
There must be a good co-operation between the Control and the HMI. The HMI is a good tool to find issues in the control logic. A modbus address can guide me to the correct place in the logic without studying the whole program.
The field engineering work on site is mainly correcting mistakes, improvements and add additional logic. I have been on sites though were I had to build a control application and the HMI from scratch. If I have the manuals and the tools, I can do it!
I have made logic with Relays, Pneumatics, PLC’s and DCS systems.
