IEC 60671:2007 ED2

Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing

Publication date:   May 23, 2007

General information

60.60 Standard published   May 23, 2007

IEC

TC 45/SC 45A

International Standard

27.120.20   Nuclear power plants. Safety

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Scope

Lays down principles for testing I&C systems performing category A, B and C functions, per IEC 61226, during normal power operation and shutdown, so as to check the functional availability especially with regard to the detection of faults that could prevent the proper operation of the functions important to safety. Covers the possibility of testing at short intervals or continuous surveillance, as well as periodic testing at longer intervals. It also establishes basic rules for the design and application of the test equipment and its interface with the systems important to safety. The main change with respect to the previous edition includes an extension of the scope to cover all systems important to safety, and a requirement gradation for systems and equipment performing category A, B and C functions.

Life cycle

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IEC 60671:1980 ED1

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PUBLISHED
IEC 60671:2007 ED2
60.60 Standard published
May 23, 2007