1 About this safety manual 5
1.1 Target groups 5
1.2 Explanation of symbols 5
1.3 Abbreviations and terms 5
1.4 Document history 6
2 Notes on devices 6
2.1 Device variants 6
2.2 Scope of delivery 6
2.3 Manufacturer and service 7
3 For your safety 7
3.1 Intended use 7
3.2 Obvious misuse 7
3.3 SIL registration card 7
3.4 General safety regulations 8
4 Device specic information on safety applications 8
4.1 Safety function 8
4.2 Safe state 8
4.3 Functions and operating modes 8
4.3.1 Supply of transmitters 8
4.3.2 Signal transmission 9
4.3.3 Signal doubling 9
4.3.4 Line monitoring 9
4.3.5 Fault acknowledgement 9
4.4 Types of faults and failures 9
4.5 Safety characteristic values 9
4.5.1 FMEDA assumptions 9
4.5.2 Hardware architecture 10
4.5.3 Characteristic values for IM33-… isolating transducers 10
4.6 Recurrent function tests 10
4.7 Useful life 10
4.8 Special regulations and restrictions 11
5 Installation and commissioning 11
5.1 Mounting 11
5.2 Connection 11
5.2.1 Wiring diagrams 11
5.3 Commissioning 13
5.3.1 Selecting transmitters 13
6 Operation, maintenance and repair 13
6.1 Troubleshooting 13
6.2 Maintenance 13
6.3 Repair 14
6.3.1 Returning devices 14
7 Decommissioning and withdrawal from service 14
7.1 Decommissioning 14
7.2 Withdrawing from service 14
8 Appendix – EXIDA FMEDA report Turck 04/07-14 R001 15
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