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BSI PD IEC TS 62998-1:2019:2023 Edition

BSI PD IEC TS 62998-1:2019:2023 Edition

$215.11

Safety of machinery. Safety-related sensors used for the protection of persons

Published By Publication Date Number of Pages
BSI 2023 96
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 Blank Page
5 CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
13 2 Normative references
3 Terms and definitions
14 3.1 Characteristics and performance criteria
15 3.2 Dependability
Figures
Figure 1 – Measurement accuracy and measurement uncertainty
17 3.3 Procedures and architectural deliberations
19 3.4 Terms related to system
21 3.5 Fusion
3.6 Safety related information
23 3.7 Test
25 3.8 User groups
3.9 Verification and validation
27 4 Lifecycle and interconnection to safety-related electrical control systems (SCS)
4.1 General
Figure 2 – Example 1 of SRS architecture
28 Figure 3 – Example 2 of SRS architecture
Figure 4 –Example of SRSS architecture
29 4.2 Hazard and risk analysis
4.2.1 General
30 4.2.2 Hazard caused by SRS/SRSS
Figure 5 – Interconnection of an SRS/SRSS into hazard and risk analysis
31 4.2.3 Required SRS/SRSS performance class
4.3 Correspondence SRS/SRSS performance class
32 5 Design and development phase
5.1 General
5.2 SRS/SRSS functions
Tables
Table 1 – Correspondence between level of safety performance and minimum required SRS/SRSS performance class
33 5.3 Design analysis
Table 2 – Functions of an SRS/SRSS as applicable
34 5.5 Sensing zone(s)
5.6 Safety related zone
5.7 Automation related zone
5.8 Detection capability and dependability
5.8.1 General
35 5.8.2 Object classes and physical properties
36 5.8.3 Environmental influences
38 Table 4 – Limits for failure to danger condition (loss of the detection capability) due to environmental interference for high demand mode
40 5.9 User interface
5.9.1 General
5.9.2 Mounting
5.9.3 Safety related information
41 Figure 6 – Safety related information of an SRS/SRSS
42 Table 5 – Minimum required coverage probability/decision probability at high demand rate
43 6 Integration and installation phase
6.1 General
6.2 Fusion of SRS into an SRSS
6.2.1 General
44 6.2.2 Limits of use after fusion
6.2.3 Detection capability after fusion
45 6.2.4 Sensing zone(s) after fusion
6.2.5 Dependability under environmental condition after fusion
6.2.6 Safety related information after fusion
46 6.2.7 SRSS performance class after fusion
47 6.2.8 Response time after fusion
6.2.9 Verification and validation after fusion
6.3 Calibration at user side
6.3.1 General
Table 6 – Maximum applicable SRSS performance class after fusion using two SRS
48 6.3.2 Calibration procedure and equipment
6.3.3 Verification and validation of calibration
7 Operation, maintenance and modification phases
49 8 Verification and validation
8.1 General
8.2 Verification of an SRS/SRSS
50 8.3 Validation of an SRS/SRSS
Table 7 – Means to be used for evaluation of verification measures and verification results
51 8.4 Analysis
52 8.5 Test
8.5.1 General
8.5.2 Test classification
53 8.5.3 Test method and test setup
54 8.5.4 Test piece
8.5.5 Test plan and test results
55 9 Information for use
Table 8 – Overview of information for use to be provided
57 Annexes
Annex A (informative) Examination of systematic capabilities
Figure A.1 – Example for examination of systematic capabilities using safety related sensor standards
58 Annex B (informative)User groups
B.1 User groups of SRS/SRSS and groups addressed by this document
B.2 User groups addressed by fusion
Table B.1 – Roles and task of addressed user groups
59 Table B.2 – Addressed user groups for different integration types using sensing unit, SRS/ SRSS as element or SRS as subsystem
61 Annex C (informative) Functional decomposition and/or integration
Figure C.1 – Interconnection of functions and objects
Figure C.2 – Example of functions performed in an SRSS
62 Annex D (normative) Generation and application of simulation models
D.1 General
D.2 Recommendations for use
D.3 Simulation objectives and measures to achieve them
63 Table D.1 – Simulation objectives and measures for SRS/SRSS of low complexity
64 Table D.2 – Simulation objectives and measures for SRS/SRSS of high complexity
65 D.4 Verification
Figure D.1 – Verification process
67 Annex E (informative) Child properties and behaviour
E.1 General
E.2 Sizes of parts of body
Table E.1– Body height children
68 Figure E.1 – Body height children
Table E.2 – Chest depth children
69 Figure E.2 – Chest depth children
Figure E.3 – Head width children
Table E.3 – Head width children
70 Figure E.4 – Head length children
Table E.4 – Head length children
71 Annex F (informative) Environmental influences
F.1 General
F.2 Example 1 for application of environmental influences
72 Table F.1 – Example 1 of environmental influence and classes according to IEC 60721-3-5
73 F.3 Example 2 for application of environmental influences
Table F.2 – Example 2 of environmental influence and classes according to IEC 60721-3-3
74 Annex G (informative) Faults, failures and influences resulting in a loss of SRS/SRSS safety related function
G.1 General
75 Figure G.1 – Combination of faults, failures or errors resulting in additional risk throughloss of safety function or bypassing
76 Figure G.2 – Analysis of systematic capabilities during design and development to prevent systematic faults resulting in failure to danger
77 G.2 Failure to danger
Table G.1 – Demand rates used for the calculation of Table G.2 values
Table G.2 – Limits for failure to danger condition (loss of the detection capability) due to environmental influence for high demand mode
78 G.3 Normal operation
G.4 Signal to initiate the fault reaction function and confidence information as part of safety related information
79 Figure G.3 – Mode of action for systematic fault resulting in fault reaction function
Figure G.4 – Mode of action for errors resulting in appropriate confidence information
80 Annex H (informative) Test aspects
H.1 General
H.2 Mechanical influence test
81 Table H.1 – Example of test plan and test result for mechanical influence test
84 Annex I (informative) Examples of functions, safety related information and fusion
I.1 Example of functions
Figure I.1 – Example of SRS applied on driveway intersection
85 I.2 Example of safety related information
Figure I.2 – Example of SRS/SRSS providing decision and confidence information
86 I.3 Example of fusion
Figure I.3 – Example of SRS/SRSS providing measurement and confidence information
87 Figure I.4 – First example of fusion of 2 SRS into an SRSS with combined sensing zones
Figure I.5 – Fusion of SRS safety related information
88 Figure I.6 – Approach of verification and validation based on SRS Information for use and SRSS Safety Requirement specification
89 Figure I.7 – Second example of fusion of 2 SRS into an SRSS with combined sensing zones
90 Bibliography

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BSI PD IEC TS 62998-1:2019
$215.11