Water Management
connection between the MAPS I/O server and the PLC in the field, without the need to poll or establish a connection to the device. The operator will be notified if the link goes down. The operator will also be notified when the communications link is healthy again. Information on communications is available for any device on the M2M network.
simple matter of adding the appropriate data-logging hardware and one or more communications options. When the data is collected, the software can then convert this raw information into reports, each formatted appropriately for the intended user. For instance, a maintenance engineer would look at current temperatures and total run times; a process engineer would focus on flow rates and volume; while an environmental scientist would check the turbidity. Once the data is transferred to the
central server, it is integrated with data from other pumping stations to produce management level reports and to update business systems. Imagine similar scenarios for
every aspect of a water industry’s assets and we can see that the amount of data involved is massive. M2M communications mean that
collecting that data, even in real time, is simple and affordable; the storage of the largest amounts of data is virtually free and software packages such as Mitsubishi MAPS are powerful enough to mine that data, analyse it, highlight relationships within it and provide operators with the information they need to predict the behaviour of the complex systems that the data represents, so optimising performance.
The Mitsubishi Electric M2M solution is built on the MAPS SCADA software and Mitsubishi FX/L/Q series PLCs, for both control and data acquisition, to and from remote sites.
The Mitsubishi M2M solution offers efficient communications with cost- effective data transfer. The PLC can be configured to send data on a time interval, on an alarm event, when the storage buffer limits are reached, or when it is manually polled. Event and alarm data is transmitted to the SCADA simultaneously. Communications can also be set to live mode, which will show real-time data as the site changes. For example, at a remote pumping
station engineers might want to monitor the temperature of three different bearings, a motor’s load and its run time, the flow rate of the water and its turbidity. Retrieving this data is a
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Improved management By embracing M2M communications, the water industry has the ability to implement new and vastly improved water management strategies for drinking water provision and security, wastewater treatment and pollution control, bathing water quality, the management of waterways and reservoirs and the provision of flood defences – all against a picture of increasingly stringent standards and legislation. n
Jeremy Shinton is product manager – Business Solutions & Software for Mitsubishi Electric,Hatfield, Hertfordshire, UK.
https://gb3a.mitsubishielectric.com
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