Water Plant Cuts Costs with Net Concentrator

Moore Industries has helped a water plant in central New York to maximise its effectiveness and reduce costs through the use of distributed I/O and remote I/O solutions. The company's Net Concentrator system helped the Onondaga County Water Authority (OCWA) modernise the control system at its water treatment plant in Marcellus, New York. The Marcellus facility treats and distributes water from Otisco Lake to roughly half of the OCWA's nearly 350,000 residential customers.

Automation systems at the facility control processes that ensure the quality of the treated water and compliance with state health department and EPA regulations. To update its operations and increase efficiency, the OCWA decided to switch from analogue remote terminal units to digital control systems through an online Scada system powered by Ethernet and Modbus network communications. Moore Industries helped the OCWA in implementing its new system by delivering isolated I/O modules, which eliminate potential signal loop interference from the Ethernet control network.

The I/O modules within the Net Concentrator system contain ground loops or other individual aberrations locally, stopping them from impacting other readings at the site. The system also reduced total wiring by transmitting process control and monitoring signals across a single digital communications link. Geoffrey G Miller, executive engineer at the OCWA, said: 'Having isolated I/O modules was critical to the success of our facility control process upgrades. 'This system allows our technicians to view I/O directly from the plant through a local HMI or laptop.

'Doing this has saved us time and money by reducing trips to the field,' he added. Installing the Net Concentrator system helped the OCWA solve several data collection problems, according to Moore Industries. The ability to monitor the water filtration beds in real time has improved operator reaction time and increased efficiency. In addition, it is said to be a reliable solution in reducing overhead related to hard wiring and maintenance.

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