INOR IPAQ C520, Дополнительное руководство по инструкции

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CONTENTS
2 www.inor.com 02/2019 - 86B520S001 - AD 520 SIL R1.4 en
IPAQ C520/R520
1 Introduction 3
1.1 Field of application ........................................................................................................... 3
1.2 User benefits .................................................................................................................... 3
1.3 Manufacturer’s safety instructions.................................................................................. 3
1.4 Relevant standards / Literature....................................................................................... 4
2 Terms and definitions 5
3 Description of the subsystem 6
3.1 Functional principle.......................................................................................................... 6
4 Safety function 8
4.1 Description of the failure categories ............................................................................... 8
4.2 Specification of the safety function .................................................................................. 8
4.3 Redundancy ...................................................................................................................... 9
4.3.1 Sensor drift ........................................................................................................................... 10
4.3.2 Sensor backup ...................................................................................................................... 10
5 Project planning 11
5.1 Applicable device documentation .................................................................................. 11
5.2 Project planning, behaviour during operation and malfunction.................................... 11
5.2.1 SIL data ................................................................................................................................. 11
6 Periodic checks / Proof tests 12
6.1 Periodic checks .............................................................................................................. 12
6.2 Proof tests ...................................................................................................................... 12
7 Safety-related characteristics 14
7.1 Assumptions ................................................................................................................... 14
7.2 Specific safety-related characteristics .......................................................................... 15
8 Appendix 20
8.1 Declaration of conformity for Functional Safety (SIL) ................................................... 20
8.2 exida / FMEDA management summary ......................................................................... 21
8.3 Type Examination Certificate ......................................................................................... 24
8.4 Return / maintenance form............................................................................................ 26
9 Notes 27