Articles & Case Studies

SIPOS software aids Sydney Water filtration scheme

Posted: Wednesday 25th January 2012

Valve operation at an Australian Water Filtration Plant (WFP) at Nepean, 75km south of Sydney, will be supported by SIPOS Aktorik’s variable speed, electric actuators. Advanced actuation communication capability for SIPOS’ 5 Flash actuators was demonstrated to secure the contract for 60 units by local distributor, Barron GJM Pty Ltd.

Located close to two dams, the Nepean WFP, owned by Sydney Water, incorporates a cluster of five filtration plants. Raw water is drawn from the Nepean dam and treated water is supplied to the townships of Bargo, Couridjah, Buxton, Thirlmere, Tahmoor, Picton and adjacent regions.

An upgrade of the scheme’s 12 PLCs and SCADA system, comprising a primary and secondary server, is being implemented to enhance the speed of screen updates and reliability of the communication network. Commenting on how bus technology and software programming support for the plant’s SCADA control system addressed the technical considerations of the project, Weyand Magnaye, Water Products Manager for Barron GJM said:

“With firmware specifically written by SIPOS for Sydney Water, and by conducting in-house testing on a demonstration actuator, we were able to meet the client’s software changes on the fieldbus system.

“Technical competency of the actuation solution demonstrated at the scheme also includes interlocking capability which, via Profibus, enables and disables the local push button functionality. Additionally, a failsafe function has been incorporated which ensures that, if a bus communication fault occurs, the actuation system defaults to an emergency position.”

The order is the latest in a series of actuator commissions secured by Barron. Previous Sydney Water contracts for SIPOS actuators include a $150 million improvement programme at the North Head STP. SIPOS reports that any of its actuator installations for Sydney Water can be updated simply by uploading latest version firmware.

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