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Water monitoring


and level detectors provide temperature sensing that can influence better process control decisions. Flow meters that measure conductivity in the pipe can detect changes over time to indicate that more contamination is present and chemical dosing needs have changed. Flow meters that detect air bubbles caused by


pump cavitation, or that provide vibration readings, can identify needs for preventive maintenance activities. Cloud-based systems using Internet of Things (IoT) technology also make it easier to access data available from diverse sources – including remote installations.


Comprehensive data analysis


As data collection expands, it increases the risk of overlooking specific ‘nuggets’ of information in the mountains of data generated. Modular software solutions that share inputs from sensor, analyser, and control systems in a more holistic view help WTP/WWTP operations benefit from tighter integration across multiple functions, such as: Enterprise asset management/enterprise


resource planning – this can help to optimise operation, facility, and asset management in response to the latest process-related data. Workforce management – workforce


management helps assign employee guidelines for routine maintenance activities as well as responses to system alarms, warnings, and emergencies. Asset Performance Management – protects


process integrity and equipment longevity through continuous assessment of process instrumentation by optimising both predictive and preventive maintenance planning.


Control-oriented data management


Cloud-based infrastructure helps more people and systems access, monitor, and act upon data specific to WTP/WWTP needs. This includes inputs from process-line instrumentation and signals directed to a variety of control equipment – programmable logic control (PLC), supervisory control and data acquisition (SCADA), and distributed control (DCS) systems.


Customisable dashboards


Displaying key performance indicators on large touch screen displays empower plant operators to be more aware of and responsive to process variations. Apps running on mobile platforms (i.e., smartphones and tablets) also make it easier for plant personnel to interact with plant equipment and analytic data.


data-driven deCision-making


Whatever the infrastructure, the value of digitalisation lies in its ability to provide better perspective for informed decisions. Systems running analytic programs designed specifically for water-plant applications provide insights relevant to key operations. This includes the ability to anticipate changing process trends, to identify and react to potential upset conditions in real time, and to support higher-level organisational objectives.


Instrumentation Monthly April 2019 33


reduCed Cost of measurement


Integrating instrumentation readings within digital management systems improves the time- and cost-efficiency of data collection and its practicality for controlling plant operations. Being able to monitor at a high level in real time, yet still analyse process events in specific detail when necessary, puts plant personnel in a better position to streamline plant efficiency.


reduCed Complexity


While more data can be good, more data inputs can bring more complexity. Adopting scalable cloud-based data management systems tailored specifically for water/ wastewater applications satisfies changing data collection and analysis needs without tying up internal IT resources or personnel.


the power of prediCtion


A key benefit of digitalisation is the ability to identify early indications of things that are about to go wrong, rather than simply documenting things that have already gone wrong. The value of this predictive power can be maximised by using historical data trends to program systems to respond at appropriate levels of control needed to maintain optimum performance.


proteCt infrastruCture with prediCtive analytiCs


Squeezing maximum value from aging infrastructure requires a strong commitment to tracking key performance indicators. Doing so can help optimise maintenance schedules, protect aging infrastructure, and minimise the risk of unexpected equipment failure. Predictive maintenance analytics are particularly valuable with key instrumentation required for critical round- the-clock operations.


optimised effiCienCy for ComplianCe and Conservation


Real-time tracking of water streams and equipment performance can indicate shifts in


water quality before a complete process upset occurs. This can save on potential fines for non-compliance and reduce the time and expense of bringing plant operations back into balance. Also, in times of water scarcity, any data that improves efficiency helps preserve precious water and energy resources.


addressing the skills gap


Process instrumentation that can provide analytical summaries alongside detailed readings does a better job of supporting plant personnel with varying levels of experience. Instruments that encrypt device maintenance and operating conditions within dynamic QR codes make it easier for less experienced personnel to streamline troubleshooting processes. They can simply take a picture of the QR code with their smartphone and forward it to the manufacturer to receive remote support. Meanwhile, more proficient plant personnel can still get the details they desire to exercise their years of troubleshooting expertise.


summary


Just as no two sites are ever the same, there is no such thing as a single ‘one-size fits all’ digital solution that can just be fitted and left to run by itself. Consequently, deriving maximum benefit from a digital installation requires careful planning and setting of expectations and goals. In par ticular, it can often be advisable


to take a phased approach, tackling the easiest areas first, before then using the experience gained to find other ways to fur ther integrate the technology into your operations. As an experienced provider of a wide range of


digital instruments and analysers, ABB can help you to find the best way to maximise your plant performance. For more information, call 0870 600 6122 or email enquiries.mp@gb.abb.com ref. ‘Digitalisation’.


ABB www.abb.com


Featuring Near Field Communications (NFC) technology, ABB’s AquaMaster4 flow meter enables users to access a range of configuration and operational data using a mobile phone or tablet


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