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Digital Instrumentation and Controls
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History of Digital I&C
Key Issues
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Regulatory References
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Contact Us About Digital I&C

Regulatory References

This page lists regulatory references related to digital instrumentation and controls (I&C).

On this page:

Some links on this page are to documents in our Agencywide Documents Access and Management System (ADAMS), and others are to documents in Adobe Portable Document Format (PDF). ADAMS documents are provided in either PDF or Tagged Image File Format (TIFF). To obtain free viewers for displaying these formats, see our Plugins, Viewers, and Other Tools page. If you have questions about search techniques or problems with viewing or printing documents from ADAMS, please contact the Public Document Room staff.

Inspection Guidance

Document Number Description
IP-52001 Digital Retrofits Receiving Prior NRC Approval
IP-52002 Digital Retrofits Not Receiving Prior NRC Approval

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Generic Letters

Document Number Description
GL 95-02 Use of NUMARC/EPRI Report TR-102348, Guideline on Licensing Digital Upgrades in Determining the Acceptability of Performing Analog-to-Digital Replacements under 10 CFR 50.59

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Information Notices

Document Number Description
IN 07-15 Effects of Ethernet-Based, Non-Safety Related Controls on the Safe and Continued Operation of Nuclear Power Stations
IN 07-08 Potential Vulnerabilities of Time-Reliant Computer-Based Systems Due to Change in Daylight Saving Time Dates
IN 03-14 Potential Vulnerability of Plant Computer Network to Worm Infection
IN 99-20 Contingency Planning for the Year 2000 Computer Problem
IN 99-12 Year 2000 Computer Systems Readiness Audits
IN 98-30 Effect of the Year 2000 Computer Problem on NRC Licensees and Certificate Holders
IN 96-62 Potential Failure of the Instantaneous Trip Function of General Electric RMS-9 Programmers
IN 96-56 Problems Associated with Testing, Tuning, or Resetting of Digital Control Systems While at Power
IN 94-20 Common-Cause Failures Due To Inadequate Design Control and Dedication
IN 94-04 Digital Integrated Circuit Sockets with Intermittent Contact
IN 93-75 Spurious Tripping of Low-Voltage Power Circuit Breakers with GE RMS-9 Digital Trip Units
IN 93-57 Software Problems Involving Digital Control Console Systems at Non-Nuclear Reactors
IN 93-49 Improper Integration of Software into Operating Practices

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Regulatory Issue Summaries

Document Number Description
RIS 2002-22 Use of EPRI/NEI Joint Task Force Report, ‘Guideline on Licensing Digital Upgrades: EPRI TR-102348, Revision 1, NEI-01-01: A Revision of EPRI TR-102348 to Reflect Changes to the 10 CFR 50.59 Rule’

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