The control room staff fill in the data form related to it
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The control room staff must fill out the forms with key production data at the end of each shift. Are these paper records subject to any further processing or verification? It’s more convenient to monitor trends directly on the DCS. Even inspections are quite labor-intensive. Moreover, the intervals between filling in these data are long, so they represent relatively static data
For non-production positions, is task recording merely a necessary measure to ensure that operators pay attention to what they are doing?
This is a habit that has persisted from before the existence of DCS systems.
This is a habit that has persisted from before the existence of DCS systems.
This is a practice that has continued from the time when there were no computer-based DCS systems.
This is a practice that has continued from the time when there were no computer-based DCS systems.
This is a practice that has continued from the time when there were no computer-based DCS systems.
This is a practice that has continued from the time when there were no computer-based DCS systems.
This is necessary; it is used for various inspections and verifications.
1. The production records kept by the control room follow the management practices that have been in use for many years, and they also meet the needs of various inspections and documentation processes; for example, accident investigations require the use of various production records for comparison with the DCS data. Actually, there is another aspect, which is forcing operators to monitor the screens. 2. After the emergence of DCS systems, due to concerns regarding the instability of electronic systems and fear that losing files would result in a lack of records, the original management methods were maintained unchanged. 3. In recent years, as DCS systems have become more stable, occurrences of system crashes and similar issues have decreased. Moreover, historical data files are regularly exported from the system for storage, such as on optical discs; as a result, the possibility of data loss is very low. However, it cannot be guaranteed that data will not be lost at all. Therefore, various units believe it is still necessary to keep records.
1. DCS data logging is primarily intended to force those in charge to check the data regularly and keep an eye on the system’s operation； Otherwise, there is a possibility that if the system does not issue any alerts, some operators may not pay any attention to how the system is operating ； 2. The main purpose of DCS data monitoring is to enable employees to pay attention to subtle trends in the data and identify issues promptly.