It is a drawing that reflects the layout of connection pipes used for transferring pressures and differential pressures from process to field instrumentation devices. One can find materials used, the quantity of each and every specific material on the same drawing.
What is hook-up in instrument?
It is a detailed drawing showing typical installation of an instrument in a correct manner so that the instrument operates properly and prevent issues which could potentially affect the measurement such as liquid trap in gas impulse.
What are hookup drawings?
Hook-up drawing is a detailed drawing showing typical installation of instrument in a correct manner so that instrument operates properly (gives accurate indication and prevent any issued which could potentially affect the measurement such as liquid trap in gas impulse line).
What is I O list in instrumentation?
I/O List is a document containing list of instrumentation which serve as an input or output of control system. Therefore, only the tag number that physically has a cable which connects to the control system appears on I/O List.
What is AI and AO in PLC?
Wiring Diagrams of PLC and DCS. Digital Input (DI) Signals. Digital Output (DO) Signals. Analog Input (AI) Signals. Analog Output (AO) Signals.
What is loop checking in DCS?
The Loop checking is defined as pre-Commissioning activity which is initiated after installation of instruments in the field and carry out the instrument loop checks between installed field instrument and respective control system i.e. PLC or DCS.
What is logic diagram?
logic diagram A diagram that displays graphically, by interconnection of logic symbols, the digital design of a logic circuit or system.
What is ISA in instrumentation?
The International Society of Automation (ISA), formerly known as The Instrumentation, Systems, and Automation Society, is a non-profit technical society for engineers, technicians, businesspeople, educators and students, who work, study or are interested in automation and pursuits related to it, such as instrumentation