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Single-Loop Controller Qualifies for "Seismic" Applications

The company announces the YS1700 single-loop controller, which currently provides control for the petrochemical, water and pulp/paper industries, is now qualified for nuclear safety and seismic applications.
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The import of this product announcement rose significantly with recent announcement of two, new nuclear licenses being issued by the Nuclear Regulatory Commission (NRC) last week. A new nuclear facility has not been built in the United States for more that 30 years and these two new buildouts—one in Georgia and South Carolina—could mark a move forward in the nation's energy policy. At the very least, nuclear is in the energy policy mix. 

Based on the EPRI TR-107330 qualitication, this single loop-controller from Yokogawa offers dual central processing units (CPU). The CPU archictecture allows for automatic fail-over and offers manual control cability if an abnormality occurs in one of the CPUs. Other benefits include a hard manual backup, battery-free memory backup and backwards compatibility with all previous YS control products. 

Key control capabilities for nuclear facilities are many and the YS1700 meets quite a few, including feed water control, feed water heater, heater drain control, heat exchanger temperature control and other flow, level and pressure applications. 

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