IEC PAS 63328:2020

IEC PAS 63328 ®
Edition 1.0 2020-10
PUBLICLY AVAILABLE
SPECIFICATION
colour
inside
Zhaga interface specification Book 1 and Book 12
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IEC PAS 63328 ®
Edition 1.0 2020-10
PUBLICLY AVAILABLE
SPECIFICATION
colour
inside
Zhaga interface specification Book 1 and Book 12

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.140.99 ISBN 978-2-8322-8944-0

– 2 – IEC PAS 63328:2020 © IEC 2020
CONTENTS
FOREWORD . 10
INTRODUCTION . 12
Subdivision 1 . 13
Zhaga Interface Specification Book 12 . 13
Summary (informative) . 13
Background . 13
Contents . 13
Intended Use . 13
1 General . 14
1.1 Introduction . 14
1.2 Scope . 14
1.3 Conformance and references . 14
1.3.1 Conformance . 14
1.3.2 References . 14
1.4 Definitions. 14
1.5 Acronyms . 15
1.6 Symbols . 15
1.7 Conventions . 15
1.7.1 Precedence . 15
1.7.2 Cross references . 15
1.7.3 Informative text . 15
1.7.4 Terms in capitals . 15
1.7.5 Units of physical quantities . 15
1.7.6 Decimal separator . 15
1.7.7 Limits . 16
2 Overview (Informative) . 16
2.1 General . 16
2.2 Description of the LED Array and the Holder . 16
2.3 Outline of this Book . 17
Part 1: Interface Definition . 18
3 Mechanical interface . 18
3.1 Drawing principles . 18
3.2 Mechanical references and definitions . 18
3.3 Mechanical interface of the LED Array . 18
3.3.1 Mechanical references for a LED Array . 19
3.3.2 Dimensions depending on the LED Array category . 19
3.3.3 Dimensions depending on LED Array category and LES Category . 25
3.4 Mechanical interface of the Holder . 27
3.4.1 Mechanical references for a Holder . 27
3.4.2 Dimensions depending on the LED Array category . 28
3.4.3 Dimensions depending on LED Array category and maximum LES
Category . 30
4 Photometric interface . 31
4.1 Light Emitting Surface . 31
4.2 Operating conditions . 31
4.3 Luminous flux . 31

4.4 Luminous intensity distribution . 31
4.5 Luminance uniformity . 32
4.6 Correlated color temperature . 33
4.7 Color rendering index . 33
5 Electrical interface of the LED Array . 33
5.1 Electrical interface of the LED Array . 33
5.2 Electrical insulation of the LED Array (informative). 33
6 Thermal interface . 33
6.1 Background information (informative) . 33
6.2 Generic thermal interface model . 33
6.2.1 General case . 33
6.2.2 Rated Operating Temperature and safety (informative) . 33
6.2.3 Thermal overload protection (informative) . 34
6.2.4 Thermal compatibility check . 34
6.2.5 Thermal Interface Material . 34
6.2.6 Surface planarity and roughness . 34
6.2.7 Aging of LED Array (informative) . 34
Part 2: Compliance Tests . 35
7 Compliance test tools . 36
7.1 LED Array test tools . 36
7.1.1 Test Fixture PETF . 36
7.2 Holder test tools . 36
7.2.1 Gauges for Holder cavity test . 36
7.2.2 Gauges for Holder contact test . 37
8 LED Array Compliance Tests . 38
8.1 LED Array mechanical interface tests . 38
8.1.1 Test of the demarcation of the LED Array without mounting holes and
without mouse bites . 38
8.1.2 Test of the demarcation of the LED Array C28x28 or C24x24 with
mounting holes . 39
8.1.3 Test of the demarcation of the LED Array C20x24, C19x19, C13.5x13.5
or C12x15 with mouse bites . 39
8.1.4 Test of the electrical contact areas (+) and (-) of the LED Array . 40
8.1.5 Test of the keep-in zone of the LED Array . 40
8.1.6 Test of the thickness of the PCB of the LED Array . 41
8.2 LED Array photometric interface tests . 41
8.2.1 Test on luminous flux . 41
8.2.2 Test on relative partial luminous flux and beam angle . 41
8.2.3 Test on correlated color temperature (CCT) . 41
8.2.4 A.1.2.4 Test on color rendering index . 42
8.2.5 Test on luminance uniformity & LES diameter . 42
8.3 LED Array thermal interface tests . 42
8.3.1 Test on thermal power (𝑷𝑷th) . 42
8.3.2 Temperature stabilization . 42
8.3.3 Position of measurement point for the Reference Temperature . 42
8.4 LED Array electrical interface tests . 42
8.5 LED Array Product Data Set test . 42
9 Holder Compliance Tests . 42
9.1 Holder mechanical interface tests . 42

– 4 – IEC PAS 63328:2020 © IEC 2020
9.1.1 Test of the outline of the cavity of the Holder . 42
9.1.2 Test of the electrical contacts (+) and (-) of the Holder . 43
9.1.3 Test of the keep-out zone of the Holder . 44
9.2 Holder Product Data Set test. 45
Annexes . 46
Annex A Product Data Set requirements . 47
A.1 LED Array Product Data Set . 47
A.2 Holder Product Data Set . 47
Annex B Definition of the cavity outline and mechanical reference of the Holder . 48
Annex C Guidelines for LES and Luminance measurements (informative) . 49
C.1 Test equipment . 49
C.2 Test conditions . 49
C.3 Test procedure . 49
Annex D History of Changes . 51
Subdivision 2 . 52
Zhaga Interface Specification Book 1 . 52
Summary (informative) . 52
Background . 52
Contents . 52
Intended Use . 52
1 General . 53
1.1 Introduction . 53
1.2 Scope . 53
1.3 Conformance and references . 53
1.3.1 Conformance . 53
1.3.2 Normative references . 53
1.3.3 Informative references . 54
1.4 Common definitions . 54
1.5 Common acronyms . 56
1.6 Common symbols . 57
1.7 Common conventions . 57
1.7.1 Cross references . 57
1.7.2 Informative text . 57
1.7.3 Terms in capitals . 57
1.7.4 Units of physical quantities . 57
1.7.5 Decimal separator . 58
2 Overview of Zhaga (informative) . 58
2.1 About Zhaga . 58
2.2 Zhaga building blocks and interfaces . 58
2.3 Compatibility and Interchangeability . 60
2.4 Product Data Set . 61
2.5 Compliance testing . 61
2.5.1 Certification . 61
2.5.2 Market surveillance . 62
2.6 Compatibility check . 62
2.7 Zhaga product certification . 63
3 Mechanical interface . 63
3.1 Drawing principles . 63

3.2 Mechanical interface between Separate ECG and Luminaire. 63
3.3 Thermal expansion . 63
3.4 Demarcation (Informative) . 63
4 Photometric interface . 65
4.1 Light Emitting Surface . 65
4.1.1 LES categories . 66
4.2 Operating conditions for measuring photometric parameters . 66
4.3 Luminous flux . 67
4.4 Luminous intensity distribution . 68
4.4.1 Beam angle and beam angle categories . 69
4.5 Luminance uniformity . 69
4.6 Correlated color temperature (CCT) . 69
4.7 Color rendering index (CRI) . 70
4.8 Luminaire Optics (informative) . 70
5 Electrical interface . 70
5.1 Electrical insulation (informative) . 70
6 Thermal interface . 70
6.1 Background information (informative) . 70
6.2 Generic thermal interface model . 71
6.2.1 General case . 71
6.2.2 Test Fixture TPTF . 72
6.2.3 Rated Operating Temperature and safety (informative) . 73
6.2.4 Thermal overload protection (Informative) . 73
6.2.5 Ambient Temperature . 73
6.2.6 Luminaires with multiple LLEs or multiple LED Modules . 74
6.2.6.1 Separate heat sinks . 74
6.2.6.2 One heat sink . 74
6.2.7 Thermal compatibility check . 74
6.2.8 Thermal uniformity . 75
6.2.9 Thermal Interface Material . 76
6.2.10 Surface planarity and roughness . 76
6.2.11 Aging of LED Light Engine or LED Module/LED Array (informative) . 76
6.2.12 Empty . 76
6.2.13 Ambient Temperature and thermal resistance (𝑹𝑹th) . 76
6.3 Simplified thermal interface model . 77
6.3.1 General case . 77
6.3.2 Rated Operating Temperature and safety (informative) . 77
6.3.3 Thermal overload protection (informative) . 77
6.3.4 Thermal compatibility check . 77
6.3.5 Thermal Interface Material . 78
6.3.6 Surface planarity and roughness . 78
6.3.7 Aging of LED Light Engine or LED Module/LED Array (informative) . 78
7 Control interface . 78
Annex A  Compliance tests . 79
A.0 LED Module/LED Array compliance tests . 79
A.0.1 LED Module/LED Array mechanical interface test . 79
A.0.1.1 Test in the mechanical interface or the LED Module/LED Array . 79
A.0.1.1.1 Test equipment . 79

– 6 – IEC PAS 63328:2020 © IEC 2020
A.0.1.1.2 Test conditions . 79
A.0.1.1.3 Test procedure . 79
A.0.1.1.4 Pass criteria . 79
A.0.2 LED Module/LED Array photometric interface tests . 79
A.0.2.1 Test on Luminous Flux. 79
A.0.2.1.1 Test equipment . 79
A.0.2.1.2 Test conditions . 79
A.0.2.1.3 Test procedure . 79
A.0.2.1.4 Pass criteria . 80
A.0.2.2 Test on Relative Partial Luminous Flux and beam angle . 80
A.0.2.2.1 Test equipment . 80
A.0.2.2.2 Test conditions . 80
A.0.2.2.3 Test procedure . 80
A.0.2.2.4 Pass criteria . 80
A.0.2.3 Test on correlated color temperature (CCT) . 81
A.0.2.3.1 Test equipment . 81
A.0.2.3.2 Test conditions . 81
A.0.2.3.3 Test procedure . 81
A.0.2.3.4 Pass criteria . 81
A.0.2.4 Test on color rendering index . 81
A.0.2.4.1 Test equipment . 81
A.0.2.4.2 Test conditions . 82
A.0.2.4.3 Test procedure . 82
A.0.2.4.4 Pass criteria . 82
A.0.2.5 Test on Luminance Uniformity . 82
A.0.3 LED Module/LED Array thermal interface tests. 82
A.0.3.1 Test on thermal power (𝑷𝑷th) . 82
A.0.3.1.1 Test equipment . 82
A.0.3.1.2 Test conditions . 82
A.0.3.1.3 Test procedure . 82
A.0.3.1.4 Pass criteria . 83
A.0.4 LED Module/LED Array electrical interface tests . 83
A.0.5 LED Module/LED Array Product Data Set test . 83
A.0.5.1 Test . 83
A.0.5.2 Pass criteria . 83
A.1 LLE compliance tests. 83
A.1.1 LLE mechanical interface tests . 83
A.1.1.1 Test of the mechanical interface of the Integrated LLE . 83
A.1.1.1.1 Test equipment . 83
A.1.1.1.2 Test conditions . 83
A.1.1.1.3 Test procedure . 83
A.1.1.1.4 Pass criteria . 84
A.1.2 LLE photometric interface tests . 84
A.1.2.1 Test on Luminous Flux. 84
A.1.2.1.1 Test equipment . 84
A.1.2.1.2 Test conditions . 84
A.1.2.1.3 Test procedure . 84
A.1.2.1.4 Pass criteria . 84
A.1.2.2 Test on Relative Partial Luminous Flux and beam angle . 84

A.1.2.2.1 Test equipment . 84
A.1.2.2.2 Test conditions . 85
A.1.2.2.3 Test procedure . 85
A.1.2.2.4 Pass criteria . 85
A.1.2.3 Test on correlated color temperature (CCT) . 85
A.1.2.3.1 Test equipment . 85
A.1.2.3.2 Test conditions . 85
A.1.2.3.3 Test procedure . 86
A.1.2.3.4 Pass criteria . 86
A.1.2.4 Test on color rendering index . 86
A.1.2.4.1 Test equipment . 86
A.1.2.4.2 Test conditions . 86
A.1.2.4.3 Test procedure . 86
A.1.2.4.4 Pass criteria . 87
A.1.2.5 Test on Luminance Uniformity . 87
A.1.3 LLE thermal interface tests . 87
A.1.3.1 Test on thermal power (𝑷𝑷th) . 87
A.1.3.1.1 Test equipment . 87
A.1.3.1.2 Test conditions . 87
A.1.3.1.3 Test procedure . 87
A.1.3.1.4 Pass criteria . 87
A.1.3.2 Test on Thermal power through the Thermal Interface Surface (𝑷𝑷th,rear) . 87
A.1.3.2.1 Test equipment . 88
A.1.3.2.2 Test conditions . 88
A.1.3.2.3 Calibration of 𝑷𝑷th,rear test setup . 89
A.1.3.2.4 Measurement of 𝑷𝑷th,rear of the LLE . 90
A.1.3.2.5 Pass criteria . 90
A.1.3.3 Empty . 90
A.1.3.4 Empty . 91
A.1.3.5 Temperature stabilization . 91
A.1.3.6 Position of measurement point for the temperature 𝒕𝒕r. 91
A.1.4 LLE electrical interface tests . 91
A.1.5 LLE control interface tests . 91
A.1.6 LLE Product Data Set test . 91
A.1.6.1 Test . 91
A.1.6.2 Pass criteria . 91
A.2 Luminaire compliance tests . 92
A.2.1 Luminaire mechanical interface tests . 92
A.2.1.1 Test of the mechanical dimensions of the Luminaire . 92
A.2.1.1.1 Test equipment . 92
A.2.1.1.2 Test conditions . 92
A.2.1.1.3 Test procedure . 92
A.2.1.1.4 Pass criteria . 92
A.2.2 Luminaire photometric interface tests . 92
A.2.3 Luminaire thermal interface tests . 92
A.2.3.1 Empty . 92
A.2.4 Luminaire electrical interface tests . 92
A.2.5 Luminaire control interface tests . 92
A.2.6 Luminaire Product Data Set test. 93

– 8 – IEC PAS 63328:2020 © IEC 2020
A.2.6.1 Test . 93
A.2.6.2 Pass criteria . 93
Annex B  Guidelines for Demarcation measurement . 94
Annex C  History of changes . 96

Figure 2-1 – 3D-drawings of a Book 12 LED Array and Holder (informative) . 16
Figure 3-1 – Positions of the reference point and the reference plane of the LED Array . 18
Figure 3-2 – Definition of the LED Array Border and mechanical references . 19
Figure 3-3 – Demarcation model for the outline of the LED Array without mounting
holes and without mouse bites . 20
Figure 3-4 – Demarcation model – top view for the outline and mounting holes of the
LED Array in one of the categories C28x28 or C24x24 . 21
Figure 3-5 – Demarcation model – top view for the outline of the LED Array with
mouse bites in one of the categories C20x24, C19x19, C16x19, C13.5x13.5 or C12x15 . 22
Figure 3-6 – Definition of the minimum electrical contact area for the (+) and (-)
contacts – top view . 23
Figure 3-7 – Requirement on the minimum size contact area for the (+) and (-) contacts . 23
Figure 3-8 – Requirement on the overlap area for the (+) and (-) contacts – top view . 24
Figure 3-9 – Definition of the keep-in zone . 25
Figure 3-10 – Definition of the maximum electrical contact area – top view . 26
Figure 3-11 – Definition of the Cavity Border and mechanical references . 27
Figure 3-12 – Demarcation model for the outline of the cavity for the LED Array . 28
Figure 3-13 – Definition of the position of the electrical contacts of the Holder . 29
Figure 3-14 – Definition of the keep-out zone . 30
Figure 4-1 – Luminance property evaluation areas . 33
Figure 7-1 – Definition of the gauges for the holder cavity compliance test . 36
Figure 7-2 – Definition of the gauges for the holder contacts compliance test . 37
Figure 9-1 – LED array in ‘Concept 1’ Holder . 43
Figure 9-2 – LED array in ‘Concept 2’ Holder . 44
Figure B-1 – Examples of cavity outlines in a Holder . 48
Figure B-2 – Definition of the effective cavity outline of a Holder . 48
Figure C-1 – Set-up for measurement of luminance uniformity and LES diameter . 49
Figure 2-1 – Schematic overview of a Luminaire and one or more non-integrated LED
Light Engines . 59
Figure 2-2 – Schematic overview of a Luminaire and one or more integrated LED Light
Engines . 59
Figure 2-3 – Schematic overview of a LED Light Engine with Integrated ECG . 60
Figure 2-4 – Schematic overview of a LED Light Engine with Separate ECG . 60
Figure 2-5 – Overview of test and certification of Zhaga products . 62
Figure 2-6 – Compatibility check . 63
Figure 3-1 – Example of a Demarcation Model (2-dimensional) . 64
Figure 3-2 – Example of a product which is compliant with the Demarcation Model . 64
Figure 3-3 – Example of a product which is not compliant with the Demarcation Model . 64
Figure 3-4 – Example of a product which is not compliant with the Demarcation Model . 65

Figure 4-1 – Rotationally symmetric solid angle bounded by the polar angles 𝛄𝛄𝛄𝛄 and
𝛄𝛄𝛄𝛄 which is used to define the Relative Partial Luminous Flux . 69
Figure 6-1 – Thermal model of a LLE – Luminaire or a LED Module – Luminaire
combination . 71
Figure 6-2 – Power conversion . 72
Figure 6-3 – Position of the Thermal Interface Surface in case of a configuration with
TIM . 76
Figure A-1 – Heat sensor equipment with Test Fixture and LLE-under-test . 88
Figure A-2 – Calibration of the heat flux measurement setup . 89
Figure A-3 – Position of measurement point for the temperature 𝒕𝒕r . 91
Figure B-1 – Example of a LED Array . 94
Figure B-2 – Example of a LED Array with sections . 94
Figure B-3 – Example of a LED Array with measurement points . 95

Table 3-1 – Values of dimensions for the Book 12 LED Array categories . 25
Table 3-2 – Values of dimension Øke
...