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NR - SSIDIS137 ISSUE 3 - DIRECTIONAL INTERLOCKING Organization: NR
Date: 2007-03-21
Description: PURPOSE OF PAPER The purpose of this paper is to obtain approval from SSISPG for the data intended to control directional interlocking of bidirectional sections on the Trent Valley Four Track, Colchester-Clacton and other resignalling schemes.
DOT - 49 CFR PART 1185 - INTERLOCKING OFFICERS Organization: DOT
Date: 2016-10-01
Description: (b) When a person is an officer of a Class I railroad and seeks to become an officer of another Class I railroad, an application under 49 U.S.C. 11328(a) (or petition for individual exemption under 49 U.S.C. 10502) must be filed. All other ‘‘interlocking directorates’’ have been exempted as a class from the prior approval requirements of 49 U.S.C. 11328(a), pursuant to 49 U.S.C. 10502 and former 49 U.S.C. 10505.
NR/L2/SIG/11201/MODB11 ISSUE 4 - SIGNALLING DESIGN HANDBOOK: INTERLOCKINGS - ELECTRONIC INTERLOCKING GUIDELINES - COMPLIANCE DATE: 3 SEPTEMBER 2011 Organization: NR
Date: 2011-06-04
Description: INTRODUCTION This module describes the factors for consideration in the design and selection of electronic interlocking systems. NR/L2/SIG/11201, Module B7, Section 3 laid down the requirements for interlocking controls and specified their tabulation in control tables.
LUL - RBS02 - INTERLOCKING MACHINE ROOM LOCATIONS - VERSION 1 Organization: LUL
Date: 2007-05-31
Description: Introduction An Interlocking Machine Room (IMR) is a signal cabin without a signaller that has the equipment to operate signals in a defined area.
NG SCT 08.01 - SITE COMMISSIONING TESTS - INTERLOCKING - ISSUE 3 Organization: NG
Date: 2013-11-01
Description: PURPOSE AND SCOPE This document contains the site commissioning checks and tests to be performed on the installation of electrical and mechanical interlocking in National Grid (NG) substations.
NR - SSI8003-10B ISSUE 4 - SSI INTERLOCKING - INTRODUCTORY INFORMATION - COMPLIANCE DATE: 01 SEPTEMBER 2012 Organization: NR
Date: 2012-03-03
Description: Introduction One of the basic design objectives of the Solid State Interlocking Project was to create a system which would not require the signal engineer to use computer programming techniques in order to define the Interlocking logic. This has been achieved by the provision of an Interlocking program which remains the same for any application.
LUL - S2504 - SIGNALLING INTERLOCKING SYSTEMS - ISSUE A3 Organization: LUL
Date: 2012-03-01
Description: This standard does not cover specific application design or configuration issues, which shall be described in the Systems Requirement Specification or other associated project documents. 2.2 For the purpose of this standard, the interlocking system shall mean the interconnected vital and non-vital sub-systems which provide the following functions: a) interpretation of inputs from, and provision of outputs to, trackside equipment; b) acceptance of commands from, and delivery of indications to, the various control systems and panels to which it is attached.
NR/L2/SIG/11201/MODB10 ISSUE 4 - SIGNALLING DESIGN HANDBOOK: INTERLOCKINGS - GEOGRAPHICAL RELAY INTERLOCKING GUIDELINES - COMPLIANCE DATE: 3 SEPTEMBER 2011 Organization: NR
Date: 2011-06-04
Description: Figures:1 to 6 identify how the standard controls are applied to some common geographical interlockings and enable a comparison with the other interlocking systems.
NR/L2/SIG/11201/MODB09 ISSUE 4 - SIGNALLING DESIGN HANDBOOK: INTERLOCKINGS - FREE-WIRED ROUTE SETTING INTERLOCKING GUIDELINES - COMPLIANCE DATE: 3 SEPTEMBER 2011 Organization: NR
Date: 2011-06-04
Description: Figures:1 and 2 identify how the standard controls are applied to free-wired interlocking and enables a comparison with the other interlocking systems. Other relay configurations are possible, particularly where it is not necessary to store the state of interlocking functions in the event of a power failure, in which case lock relays can be dispensed with altogether.
NR/L2/SIG/11201/MODB08 ISSUE 4 - SIGNALLING DESIGN HANDBOOK: INTERLOCKINGS - LEVER FRAME INTERLOCKING GUIDELINES - COMPLIANCE DATE: 3 SEPTEMBER 2011 Organization: NR
Date: 2011-06-04
Description: INTRODUCTION This module describes the design of lever frames and associated interlocking. See also the mechanical handbook, NR/GN/SIG/19014.
NR - NB 077 ISSUE 1 - SSI INTERLOCKING MPM MOD STATES Organization: NR
Date: 2007-08-01
Description: Purpose This NB is to bring attention to a requirement of RT/E/C/17901, to ensure that all three Interlocking MPMs within a Central Interlocking are of the same type and modification state, and running the same version of main, trackside communications, and internal communications software.
NG TS 3.24.43 - NATIONAL GRID TECHNICAL SPECIFICATIONS - INTERLOCKING - ISSUE 1 Organization: NG
Date: 2000-12-01
Description: This specification describes the functional performance and safety requirements for software based interlocking schemes on the National Grid 400, 275 and 132 kV systems.
NR - TI 141 ISSUE 1 - SSI INTERLOCKING MPM MOD STATES Organization: NR
Date: 2009-05-01
Description: Purpose This TI is to give notification of recently issued MPM Mod States that amend those listed in NR/GN/SIG/17901 Issue 3, noting the requirement that all three Interlocking MPMs within a Central Interlocking are of the same type and modification state, and running the same version of main, trackside communications, and internal communications software.
NR/L2/SIG/11201/MODB07 ISSUE 6 - SIGNALLING DESIGN HANDBOOK: INTERLOCKINGS - GENERAL - COMPLIANCE DATE: 6 SEPTEMBER 2014 Organization: NR
Date: 2014-09-06
Description: For the presentation and use of mechanical locking charts, interlocking circuit diagrams and central interlocking data listings within the design process, see NR/L2/SIG/11201, Module A2. and NR/L2/SIG/11201, Module A19.
NR - RT/E/WI/00012 ISSUE 1 - SIGNALLING MAINTENANCE WORK INSTRUCTION SOLID STATE INTERLOCKING Organization: NR
Date: 2001-02-01
Description: The maintenance tasks shall be applied to all signalling infrastructure solid state interlocking equipment. PURPOSE This work instruction defines the best practice signalling maintenance tasks for Solid State Interlocking Equipment.
ECIA - EIA-704 - MECHANICALLY-INTERLOCKED COMPONENT PACKAGING FOR AUTOMATIC HANDLING Organization: ECIA
Date: 2013-08-01
Description: This Standard provides requirements for packaging components for automatic handling using mechanically-interlocking cover tape and carrier tape.
EIA/ECA-704-A - MECHANICALLY-INTERLOCKED COMPONENT PACKAGING FOR AUTOMATIC HANDLING Organization: EIA
Date: 2007-10-01
Description: This Standard provides requirements for packaging components for automatic handling using mechanically-interlocking cover tape and carrier tape.
NR - SSI8003-52 ISSUE 8 - TIMING CONSTRAINTS ON INTERLOCKING DATA COMPLEXITY - COMPLIANCE DATE: 6 DECEMBER 2015 Organization: NR
Date: 2015-09-05
Description: When the capacity of a single SSI Central Interlocking is exceeded, the controlled area shall be subdivided between a number of Interlockings. There are three major limitations on the capacity of a Central Interlocking: • The number of TFMs which can be connected.
NR - BR 1905 ISSUE A - SOLID STATE INTERLOCKING MULTIPROCESSOR MODULE (MKII) Organization: NR
Date: 1991-01-01
Description: GENERAL This specification states the specific engineering requirements for a Solid State Interlocking (SSI) Multiprocessor Module (MPM).
NR - BR 1901 ISSUE A - SOLID STATE INTERLOCKING LINESIDE POINTS MODULE Organization: NR
Date: 1986-04-01
Description: GENERAL Points modules from the power interface between the serial data distribution system of a solid state interlocking and the lineside points which it controls. The modules also enable the input of detection position, track circuit state and other signaling information to be made available to the central interlocking.

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