After several days training in C&I department, I observe that every time when the engineer going to work, they will bring some kind of drawing which I don’t really understand. Fortunately, Mr. Tawang gave us some introduction about it today. During the design of this plant’s control and instrumental system, they need to have the hardware and software drawing since this system is very complicated. For hardware drawing it explain about the type of transducer, the connection from field to control room, the location and so on. Workers need it to understand the construction of the instrument that they are going to deal with.
On the other hand, software drawing is the digital logic which connected to a particular transducer. These drawing explain the open loop control, close loop control and protection of the instrument.
All this drawings are kept in tick files in the library which I found very interesting. I wish I could explore more about it in the future.
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