KROHNE H250 M9 Safet V1 EN User Manual
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CONTENTS
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www.krohne.com
02/2012 - 4000656701 MA H250-M9 SIL R02
H250
1 Introduction
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1.1 Fields of application ......................................................................................................... 3
1.2 User benefits .................................................................................................................... 3
1.3 Relevant standards / literature........................................................................................ 3
2 Terms and definitions
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3 Description
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3.1 Functional principle.......................................................................................................... 5
4 Specification of the safety function
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4.1 Description of the failure categories ............................................................................... 6
5 Project planning
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5.1 Applicable device documentations................................................................................... 7
5.2 Project planning, behaviour during operation and malfunction...................................... 7
6 Life time / Proof tests
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6.1 Life time............................................................................................................................ 8
6.2 Proof tests ........................................................................................................................ 9
7 Safety-related characteristics
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7.1 Assumptions ................................................................................................................... 10
7.2 Specific safety-related characteristics .......................................................................... 10
8 Annex
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8.1 Annex 1 ........................................................................................................................... 11
8.2 Annex 2 ........................................................................................................................... 13
9 Notes
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MA_H250_M9_SIL2_R02_en_656701_PRT.book Page 2 Thursday, March 1, 2012 10:26 AM