Global competition and the drive for improved operational efficiency have sparked demand for realtime supervisory control and data acquisition (scada) systems that offer advanced alarm management technology. Adroit is about to introduce its newest version 7.0 human machine interface featuring the latest in market driven advanced alarm management technology.
Adroit's version 7.0 with advanced alarm management agent plugs directly into the agent server on top of the existing alarm configurations and enables users, through simple configuration, to construct advanced alarming capabilities.
According to the EEMUA 191 guidelines, an alarm is an event to which an operator must react, respond and acknowledge and no plant should have more than six such alarm occurrences an hour.
EEMUA alarm guidelines
The alarm management agent analyses, manages and monitors alarm systems giving users statistical data of existing alarming configurations that can be used to remove nuisance alarms, adjust noisy alarm limits, and identify problematic process areas or equipment.
Dave Wibberley, managing director of Adroit Technologies, says, "Systems, plants and processes are run by human beings. They are often under pressure working the third shift, late into the night and often short on motivation. It is these operators who need to ensure that the process runs optimally. Adroit assists the process by focusing operators' attention on the areas that will make their lives easier by identifying problems providing access to information that motivates their actions by showing how they perform against targets."
Adroit advanced alarm management screen depicting incidents in the plant per hour
Use of the system improves process efficiencies when the information is used to fix potential and existing problems. By eliminating alarms that are inconsequential the advanced alarm management agent helps monitor operations and operator workload, the information being used to identify process bottlenecks and the impact on operator workload and efficiencies.
The Adroit advanced alarm agent collects alarms and events across the entire enterprise, thereby centralising problem solving via a central database. It also eliminates nuisance alarms via conditional alarming and post analysis repair. "The first step is a well designed relational database. This should contain everything pertinent to the event or alarm. Raw data is not sufficient, it needs to be contextualised," says Wibberley.
By recording alarm time parameters, application of reasons and custom notes the system also enables fast and thorough incident reviews. As part of the solution the user has easy access to many different presentations and analysis of data in both tabular and graphical format.
Adhering to Adroit's strategic philosophy, the new technology has been integrated as part of the Adroit scada software, making deployment and configuration simple.
Incidents can be categorised, making queries related to processes, physical areas or equipment easy. Incident records include time, clearing and acknowledgement for operator accountability.
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