Effective from Specification no. RDSO/SPN/153/2011 2014 Revision: 4.1 5 (Draft) LED SIGNAL LIGHTING UNITS FOR RAILWAY SIGNALLING Page 1 of 24 TECHNICAL SPECIFICATION FOR LED SIGNAL LIGHTING UNITS FOR RAILWAY SIGNALLING SPECIFICATION NO. RDSO/SPN/153/2011 2014 Revision: 4.1 5 Number of pages: 23 SIGNAL DIRECTORATE RESEARCH DESIGNS & STANDARDS ORGANISATION LUCKNOW-226011
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Effective from Specification no. RDSO/SPN/153/2011 2014 Revision: 4.1 5 (Draft)
LED SIGNAL LIGHTING UNITS FOR RAILWAY SIGNALLING
Page 1 of 24
TECHNICAL SPECIFICATION
FOR
LED SIGNAL LIGHTING UNITS
FOR
RAILWAY SIGNALLING
SPECIFICATION NO. RDSO/SPN/153/2011 2014
Revision: 4.1 5
Number of pages: 23
SIGNAL DIRECTORATE RESEARCH DESIGNS & STANDARDS ORGANISATION
LUCKNOW-226011
Effective from Specification no. RDSO/SPN/153/2011 2014 Revision: 4.1 5 (Draft)
LED SIGNAL LIGHTING UNITS FOR RAILWAY SIGNALLING
Page 2 of 24
DOCUMENT DATA SHEET
Designation
RDSO/SPN/153/2011 2014
Revision
4.1 5
Title of Document
Technical Specification for LED Signal Lighting
Units for Railway Signalling
Authors
Name: Rajneesh kumar
Designation: Director/Signal/RDSO
Approved by
Name: Shri Mahesh Mangal
Designation: Sr. Executive Director/Signal/RDSO
Abstract
This document specifies technical specification and inspection criteria for LED signal
lighting units for Railway Signalling.
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DOCUMENT CONTROL SHEET
NAME ORGANISATION FUNCTION LEVEL
Rajneesh Kumar
RDSO Member Prepare
Mahesh Mangal
RDSO - Approve
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REVISIONS/AMENDMENTS
Version Amendment Effective date
RDSO/SPN/153/1998 FIRST ISSUE January 1999
RDSO/SPN/153/1999 Revision 1 February 2000
RDSO/SPN/153/2002 Revision 2 April 2002
RDSO/SPN/153/2002 Amendment 1 October 2002
RDSO/SPN/153/2004 Revision 3 January, 2007
RDSO/SPN/153/2004 Amendment 1 July, 2007
RDSO/SPN/153/2004 Amendment : DC
Version withdrawn
07/11.11.2008
RDSO/SPN/153/2011 Revision 4.1 January, 2012
RDSO/SPN/153/2014 Revision 5 (draft)
Changes in para Reason
0.1 Spec. Version no.
New para 0.2(viii), (ix) New spec.
reference
1.2, 4.3, 5.2, 6.1.7, 6.1.14, 6.1.15,
6.1.19, 6.1.20, 7.4.4, 10(i)
Due to inclusion of
A and AG marker
New para 6.1.8, Annex.-III & IV
6.1.18, IP-65 protocol
6.1.22, 6.2, 10(iii), 11, 12 Wordings
corrected
6.2.6 MOV rating
corrected
6.3 & 6.4 Fuse details
specified.
9.1, 9.2, 9.3 Clause no. re-
arranged.
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TABLE OF CONTENTS (to be adjusted in final copy)
Sl. No. Item Page No.
0 Foreword
6
1.0 Scope
7
2.0 Abbreviations Used
7
3.0 Terminology
7
4.0 General Requirements
8
5.0 Technical Requirements
8
6.0 Design Criteria
9
7.0 LED Signal for use in tunnels in Metro Railway,
Kolkata
13
8.0 Tests & Performance Criteria
14
9.0 Inspection Criteria
16
10.0 Information To Be Given By Purchaser
18
11.0 Scope Of Supply
18
12.0 Warrantee
18
13.0 Marking
18
14.0 Documentation
19
15.0 Packing
19
16.0 Infringement Of Patent Rights
20
Annexure I 21
Annexure II
Annexure III
Annexure IV
22
23
24
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Technical Specification
For
LED Signal Lighting Units
For
Railway Signalling 0. FOREWORD
0.1 This specification is issued under the fixed serial number RDSO/SPN/153/2011 Rev. 4.1 4.2
0.2 This specification requires reference to the following Indian Railway Standards / British
Standards / International Standards specifications:
i) RDSO / SPN / 144 / 2006: Safety and reliability requirement of
electronic signalling equipment
ii) STS/E/Relays/AC Lit LED Signal/09-2002: Tentative specification for universal plug-
in type, tractive armature AC lamp proving relay (metal to carbon) for 110V AC LED
signal lamp.
(iii) IRS:S23: Indian Railway Standard specification for electrical and electronic based
signaling and interlocking equipment
(iv) BS 1376:1974: Specification for colours of light signals
(v) CENELEC Standard EN 50126: Railway applications – The specification and
demonstration of Reliability, Availability, Maintainability and Safety (RAMS)
(vi) CENELEC Standard EN 50129: Railway applications – Communication,
signalling and processing systems – Safety related electronic systems for
signaling
(vii) IEC 60127: International Standard for miniature fuses
(vi) Output current regulation of current regulator (Clause 6.2.4)
(vii) Compatibility with ECR (Clause 4.4, 6.1.1, 6.1.3, 6.1.4, 6.1.6)
(viii) Insulation resistance test (Clause 8.3 (a))
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(ix) Minimum lighting voltage(Clause 6.1.10)
(x) Dispersion Angle test (Clause 6.1.9)
9.3.2 Tests as per Cl. 9.3.1 (iv) to (ix) shall be conducted after Burning in test.
10.0 INFORMATION TO BE GIVEN BY PURCHASER
(i) Type of LED signal lighting unit –
Main signal-Red Aspect Main LED signal, Yellow Aspect Main LED signal or Green Aspect
Main LED signal,
Calling ON LED signal lighting unit, Route LED signal lighting unit, Shunt LED signal
lighting unit,
(Five route LED signal lighting units are required for one Direction type route indicator &
three shunt LED signal lighting units are required for a Position light shunt signal)
Metro Railway, Kolkata tunnel use - LED signal Red, and Yellow and Green aspect.
Type of LED Markers- ‘A’ Marker or ‘AG Marker.
(ii) Type of housing (Ref. Cl. 4.3)
(iii) In case of requirement of spare current regulators for Main LED Signals, details of vendor
shall also be specified, as the design of current regulators is vendor specific may not be
interchangeable among different vendors.
11.0 SCOPE OF SUPPLY
Scope of supply shall include the following material, if not asked otherwise by the purchaser –
In case of Main signal aspect- One LED signal lighting unit (of desired colour), one current
regulator and one fuse blown indicator as per cl. 6.3 with one spare fuse per Main signal
aspect.
One spare current regulator shall be supplied with every 8 current regulators with a minimum
of one per order.
In case of use in tunnels in Metro Railway, Kolkata- every aspect shall be supplied with built
in current regulator, fuse blown indicator as per cl.6.3 with one spare fuse and any additional
circuit module (if its part of the design). In such case, one LED signal lighting unit with built
in current regulator, one additional circuit module for ECR operation shall be supplied with
every 6 modules with a minimum of one per order.
In case of Route/Shunt or Calling ON Signal Aspects- as per details of purchase order.
In case of ‘A’ and ‘AG Markers- as per details of purchase order.
12.0 WARRANTEE
The supplier shall give a warrantee of 60 months for all types of LED signal lighting units,
current regulators & other supplies except fuse terminal blocks & fuses.
13.0 MARKING
13.1 Clauses 12.1 and 12.2 of specification RDSO / SPN / 144 / 2006 shall be complied.
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13.2 The words Indian Railway Property shall be engraved /embossed on every unit in letters of
5mm size (minimum) at a conspicuous place.
13.3 The anodized name plate shall be firmly attached to every unit and shall show the following
information:
(a) Name or trademark of the manufacturer
(b) Serial number of the unit
(c) Version No. of the unit*
(d) RDSO’s specification number
(e) Name and aspect of the signal
(f) Operating voltage- 110V AC
(g) Month and year of manufacture
*In case of an alteration in the design of a unit, new version number shall be assigned.
14.0 DOCUMENTATION
Following documents shall be supplied with each set of 10 units subject to a minimum of 1 set
of documents: -
(a) Two copies of Installation and maintenance manual. This should also include following
information:
(i) Guaranteed performance data, technical and other particulars
(ii) Schematic block diagram showing mounting arrangement of various components &
details of each type of assembled PCB
(iii) Details of Hardware e.g. schematic diagrams of the system circuits/ components,
details for each type of assembled PCB and part list
(iv) Mechanical drawings of every unit
(v) Part no. and manufacturer’s data sheet of LEDs used
(vi) Trouble shooting procedure alongwith test voltages and waveforms at various test
points in the PCBs
(vii)Dos & Don’ts (Pocket size laminated cards)
(b) Pre-Commissioning check list
15.0 PACKING
15.1 All the units and their sub assemblies shall be individually wrapped in bubble sheet and
packed in individual card board boxes. The empty spaces shall be filled with suitable filling
material. Alternatively, these may be packed in thermocole boxes. The units shall be finally
packed in a wooden case or card boxes of sufficient strength so that it can withstand bumps
and jerks encountered in a road/ rail journey.
15.2 Every box shall be marked with code numbers, contents and name of manufacturer. The
upside shall be indicated with an arrow. Boxes should have standard signages to indicate the
correct position and precaution “Handle with Care’’ with necessary instructions.
15.3 The units and their sub assemblies shall be so packed as to permit convenient handling and to
protect against loss or damage during transit and storage.
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16.0 INFRINGEMENT OF PATENT RIGHTS
Indian Railways shall not be responsible for infringement of patent rights due to similarity in
design, manufacturing process, use of components used in design, development of
manufacturing of LED signal and any other factor which may cause such dispute.
-----X-----
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Annexure I
BS 1376 : 1974
y
x
Chromaticity limits for signal colours
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Annexure II
Measurement procedure for Dispersion Angle
1. Light up the aspect at the nominal voltage on 110 V and place it on the test
bench.
2. The Dispersion Angle shall be calculated by measuring the half intensity
points of the dominant wavelength at 1.5 m from LED signal lighting unit in
axial direction on both the sides and taking average of the distances, d1 & d2
in metres
(d = (d1 + d2) / 2)
3. The half intensity, point is where half of the normal illumination at rated
voltage falls. The Dispersion Angle shall be calculated using the formula
tan-1
d – r = Ø/2 1.5
4. ‘r’ is the distance from centre of the unit to the outer most LED provided in
the unit.
d1 d2
Ø/2 1.5 m
Face
Ø/2
5. Dispersion Angle = Ø
r
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Annexure-III
0mm 200mm 1 0mm
2 mm
100 mm. 50mm NOTE:
1. THE HOUSING SHALL BE OF 1.2 MM THICK PODER COATED STAINLESS STEEL.
2. A STENCIL ‘AG’ AS PER DIMENSIONS ABOVE SHALL BE CUT IN THE FRONT OF THE HOUSING ON A POLYCARBONATE DIFFUCER. THE DIFFUSER SHALL BE FIRMELY FIXED ON REAR.
3. IN THE HOUSING THERE SHALL BE PROVISION TO OPEN IT FROM FRONT.
4. OPENING SHALL HAVE ADEQUATE RUBBER GASKETING TO PREVENT WATER INGRESS. THE HOUSING SHOULD BE IP-65 COMPLIANT.
5. THE HOUSING SHALL HAVE SUITABLE ARRANGEMENT FOR ENTRY OF THE CABLES AND MOUNTING ON BRACKET AS PER RDSO DRAING NO.
6. SUITABLE FIXING ARRANGEMENT FOR MARKER LIGHT SHALL BE THERE INSIDE THE HOSUING.
7. MINOR VARIATIONS IN DIMENSIONS PERMITTED
SCHEMATIC FOR ‘A’ MARKER
20mm
10
0 m
m.
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Annexure-IV
250mm 150mm 160mm
100
mm
POLYCARBONATE
COVER
20mm
50mm 80 mm 80 mm NOTE:
1. THE HOUSING SHALL BE OF 1.2 MM THICK PODER COATED STAINLESS STEEL. 2. A STENCIL ‘AG’ AS PER DIMENSIONS ABOVE SHALL BE CUT IN THE FRONT OF THE HOUSING ON A POLYCARBONATE DIFFUCER. THE DIFFUSER SHALL BE FIRMELY FIXED ON REAR. 3. IN THE HOUSING THERE SHALL BE PROVISION TO OPEN IT FROM FRONT. 4. OPENING SHALL HAVE ADEQUATE RUBBER GASKETING TO PREVENT WATER INGRESS. THE HOUSING SHOULD BE IP-65 COMPLIANT. 5. THE HOUSING SHALL HAVE SUITABLE ARRANGEMENT FOR ENTRY OF THE CABLES AND MOUNTING ON BRACKET AS PER RDSO DRAING NO. 6. SUITABLE FIXING ARRANGEMENT FOR MARKER LIGHT SHALL BE THERE INSIDE THE HOSUING.
7. MINOR VARIATIONS IN DIMENSIONS PERMITTED. SCHEMATIC FOR ‘AG’ MARKER