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MEI Online: Plant Operation News: Australasia: April 2nd 2014


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:: MIPAC's Innovative Network Upgrade Means Zero Downtime For Newcrest's Telfer Gold Mine


Newcrest has engaged MIPAC to perform a technically challenging upgrade of the distributed control network at the Telfer gold mine in Western Australia. The site is experiencing network loading issues.

A typical solution would be to perform a complete DCS system upgrade involving considerable costs and lengthy shutdown periods. However, after conducting an initial audit, MIPAC's Yokogawa specialists suggested an unconventional staged approach to improvements which satisfies Newcrest's need for zero down time. The interim solution will be to cut over the Yokogawa Vnet control network to the latest gigabit Vnet/IP network.

"This upgrade involves a significant amount of forward planning and, while tricky, aims to reduce current Vnet network loading problems affecting Telfer's operations team," MIPAC business development manager Darren Hill says. "While unusual, we will move the operator and engineering work stations in a staged process to the Vnet/IP system while continually monitoring network performance.

"Our staggered approach will initially standardise the network on site and later allow Newcrest to undergo a full system upgrade to the latest version of Yokogawa DCS, the Centum VP R5 system." The Vnet/IP upgrade is expected to be completed by end May this year.




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