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Obsolescence Management of Station Control Computers at ... - IAEA

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Design approach for Process Computer<br />

replacement project<br />

<strong>Control</strong> Programs<br />

Real Time<br />

Executive<br />

Processor 50%<br />

board<br />

SSCI125<br />

Peripheral<br />

devices<br />

Plant process<br />

Comp<strong>at</strong>ibility <strong>of</strong> control<br />

functions code with new<br />

hardware<br />

Rewrite <strong>of</strong> the Real Time<br />

Executive to solve all<br />

incomp<strong>at</strong>ibilities<br />

There is no comp<strong>at</strong>ibility<br />

to U1 SSCI125 or U2<br />

SSCI890 Executive<br />

Comp<strong>at</strong>ibility with<br />

peripheral devices is<br />

SSCI890 design key

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