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Dear seniors and colleagues: I would like to ask: Under what operating conditions is it sufficient for the thermometer to only display the reading on-site? Under what operating conditions does the thermometer only need to be displayed on the DCS? Under what operating conditions is it necessary to display the temperature on both the field thermometer and the DCS?
These are the conditions for process optimization; they determine whether a temperature value should be transmitted remotely or displayed locally, based on the importance of that process parameter. The instrument technicians are responsible only for design, configuration, and installation
What are the standards for this process? Here, we rely on experience for it; there’s no clear reason, and it seems like it’s not really necessary.
It depends on the importance of the temperature at the monitoring point for the manufacturing process. If the temperature at that point is crucial and affects the quality of the final product, then it’s definitely necessary to install a remote transmission system there
Principle: 1. Quantities that require occasional attention can be indicated on-site ; 2. Quantities that require regular attention are indicated in the central control room ; 3. Quantities that require frequent monitoring, as well as those that need to be observed during on-site inspections, are indicated both in the central control room and on site.
According to the requirements of the process package, the design institute will take overall control
I just want to know under what circumstances on-site inspections are generally necessary; could you give some examples?