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BS IEC 60671 : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL SYSTEMS IMPORTANT TO SAFETY - SURVEILLANCE TESTING
Hardcopy , PDF
31-10-2011
English
01-01-2007
INTRODUCTION
1 Scope
2 Normative References
3 Terms and definitions
4 Basic Principles for Surveillance Testing
4.1 General
4.2 Gradation of Requirements Based on Category
4.3 Extent of Surveillance Testing
4.4 Self-supervision in Lieu of Periodic Testing
4.5 Continuous Operation in Lieu of Periodic Testing
5 General Requirements for Surveillance Testing
5.1 Design Requirements
5.2 Procedures
5.3 Data to be recorded upon detection of a fault
5.4 Other data to be recorded
5.5 Test intervals
5.6 Verification of actuation set-points
5.7 Bypass
5.8 Response time
5.9 Restoration
6 Requirements for Testing of Sensors and Signal Processing
Devices
6.1 General
6.2 Non-tested parts
6.3 Testing devices
6.4 Signals
6.5 Variation of signals
6.5.1 General
6.5.2 Slowly changing signal
6.5.3 Rapidly changing signal
6.5.4 Large change in signal
6.6 Operability
6.7 Sensor response time
6.8 Testing equipment
6.9 Calibration and transfer function
6.10 Surveillance
7 Requirements for Testing of Electromechanical Equipment
7.1 General
7.2 Interface
7.3 Typical functional tests
7.4 Continuous monitoring
7.5 Relays and valves
8 Requirements for Testing of Logic Assemblies
8.1 Scope
8.2 General
8.3 Switching of signals
8.4 Testing signals
8.5 Interface
8.6 Data to be displayed
8.7 Data to be recorded
8.8 Detailed display
8.9 Testing equipment
8.10 Testing equipment using pulses
9 Self-supervision in computer-based I&C systems
9.1 Coverage of self supervision
9.2 Balance of diagnostic versus functional processing
9.3 Watchdog timers
9.4 Action taken on detected fault
9.5 Categorization of self-supervision software
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