KROHNE H250 M40 Safety V1 EN User Manual
Page 2
CONTENTS
2
www.krohne.com
02/2012 - 4000904201 MA H250 M40 SIL R01 en
H250 M40
1 Introduction
3
1.1 Field of application ........................................................................................................... 3
1.2 User benefits .................................................................................................................... 3
1.3 Relevant standards / Literature....................................................................................... 3
2 Terms and definitions
4
2.1 Description of the considered profiles............................................................................. 4
3 Description
5
3.1 Description of the subsystem........................................................................................... 5
3.2 Functional principle.......................................................................................................... 6
4 Specification of the safety function
7
4.1 Description of the failure categories ............................................................................... 7
5 Project planning
8
5.1 Applicable device documentation .................................................................................... 8
5.2 Project planning, behaviour during operation and malfunction...................................... 8
6 Life time / Proof tests
9
6.1 Life time............................................................................................................................ 9
6.2 Proof tests ...................................................................................................................... 10
7 Safety-related characteristics
11
7.1 Assumptions ................................................................................................................... 11
7.2 Specific safety-related characteristics .......................................................................... 12
8 Annex
18
8.1 Annex 1 ........................................................................................................................... 18
8.2 Annex 2 ........................................................................................................................... 19
MA_H250_M40_SIL2_R01_en_904201_PRT.book Page 2 Thursday, March 1, 2012 10:08 AM