Success Story

Mining

Bulletin SS0317 - 01AU

 Mining Evolution Mining / Australia

Cowal’s mining and processing The gold process plant control system
Plant Information
► Location: West Wyalong, NSW Australia The mining operation produces from a number of different The complete gold processing plant from the primary
faces within the single pit. Its benches are 9m in height and crusher through to the gold refinery is controlled and
► Order date: 2005
are mined as 3m x 3m flitches. Ore is then hauled by truck monitored using an incredible array of distributed control
► Completion: 2006 from the pit face to either a stockpile area or directly fed system technology. More specifically using Yokogawa’s
► Upgraded: 2016 into the primary crusher, which forms the start of the gold CENTUM VP DCS, designing in 9x high availability CPU’s
processing plant. Commissioned in 2006, the Cowal gold pairs (18 CPU’s in total) which processes in access of
processing plant consists of crushing, two stage grinding, 4200 hardwired IO points. Not including a surplus of 20
sulphide flotation, regrind and Carbon In Leach (CIL) CENTUM VP communication modules talking to a mix of
recovery. The gold processing plant currently processes an Profibus DP, Ethernet/IP, Modbus TCP and Serial (RS-485)
impressive 7.5 Mtpa and in June 2016 approximately protocols that allow external peripheral field devices and

Evolution Mining
2.7 million ounces of gold had been produced as a result. switchgear to be brought into the CENTUM VP eco system.
The plant system is fully visualised over 6 CENTUM Human
Since 2006, Cowal has continuously optimised their Interface Stations, allowing operators a complete insight
process automation system, increasing their production into day to day operations. In addition, remote monitoring
Zero unplanned downtime of the complete process control system is achieved using
CENTUM VP HIS-TSE, accessible by both fixed and mobile
devices.

The business If the Australian Governments Bureau of Statistics are a

measure to go by, Australia ranked as the second largest
In the space of 5 years, Evolution Mining has become the 350km west of Sydney lies a small town known for its gold gold producer in the world. Taking this into consideration,
second largest gold mining company listed on the Australian discovery heritage, dating back to 1893- West Wyalong NSW. Yokogawa’s CENTUM VP Distributed Control System is
Stock Exchange, with six wholly owned operations spanning This is where Evolution’s flagship site - Cowal gold mine is currently being used to process over 30% to Australia’s
the east and west coasts of Australia and holding an located. Where it produces a staggering 240,000 ounces of total gold output, placing it in the enviable position as the
economic interest in a seventh operation. Evolution gold per year, equating to about 30% of Evolution’s total
Mining produced an astounding 804,000 ounces of gold gold output. This impressive amount of gold production
in the financial year of 2016 and, despite the divestment places the Cowal operations, as one of the largest open pit
of a seventh wholly owned operation in September 2016, gold mines in Australia and one of the core operations for
with the recently acquired economic interest, Evolution the business.
is extending its commitment to the Australian mining
industry, forecasting a production high of 860,000 ounces
of gold in FY 2017.

Customer Testimonial

"The unprecedented reliability and availability of

the system, ensured zero unplanned downtime,
since the site was commissioned 10 years ago.

This allowed our site engineers to focus on

continuously enhancing the system and ensure
the maximum can be extracted from the process
plant. Which directly contributed to the year on
year increase in production”

- Site Image - - Andrew Harland

Senior Electrical Engineer, Evolution Mining
Please Supply

2 Success Story - Mining 3

Yokogawa Electric Corporation
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