Emerson AVENTICS AV Notice D'instruction page 13

Contents
1 About this documentation.................................................................................................................................................................................................
1.1 Documentation validity ....................................................................................................................................................................................................
1.2 Required and supplementary documentation ...................................................................................................................................................................
1.3 Presentation of information ..............................................................................................................................................................................................
1.3.1 Warnings............................................................................................................................................................................................................
1.3.2 Symbols .............................................................................................................................................................................................................
1.4 Designations.....................................................................................................................................................................................................................
1.5 Abbreviations....................................................................................................................................................................................................................
2 Safety instructions.............................................................................................................................................................................................................
2.1 About this chapter ............................................................................................................................................................................................................
2.2 Personnel qualifications ....................................................................................................................................................................................................
2.3 Use in safety-related control chains...................................................................................................................................................................................
3 AV valve system in a safety-related control chain ...............................................................................................................................................................
3.1 General preamble (disclaimer) ..........................................................................................................................................................................................
3.2 Towards safe machinery: Risk assessment.........................................................................................................................................................................
3.3 Information about the examples .......................................................................................................................................................................................
3.3.1 Systematics of the examples ..............................................................................................................................................................................
3.3.2 Technical safety measures..................................................................................................................................................................................
3.4 Example 1 with PLr = e.......................................................................................................................................................................................................
3.4.1 Implementation of example 1 ............................................................................................................................................................................
3.4.2 Safety functions .................................................................................................................................................................................................
3.4.3 Calculation of the MTTF for the electrical and pneumatic part of the valve system .............................................................................................
3.4.4 Diagnosis ...........................................................................................................................................................................................................
3.4.5 Verification of the diagnostic bit.........................................................................................................................................................................
3.5 Example 2 with PLr = c.......................................................................................................................................................................................................
3.6 Example 3 with PLr = d ......................................................................................................................................................................................................
3.6.1 Fault exclusion ...................................................................................................................................................................................................
3.7 Overview of various options for supply..............................................................................................................................................................................
3.8 Assignment of the supply voltages in the valve system .....................................................................................................................................................
3.9 Wiring concepts of the valve system .................................................................................................................................................................................
3.10 Instructions for wiring .......................................................................................................................................................................................................
3.11 Description of UAoff / UAon monitoring............................................................................................................................................................................
4 Conversion and repair........................................................................................................................................................................................................
5 Technical data ...................................................................................................................................................................................................................
6 Reliability values................................................................................................................................................................................................................
AVENTICS™ AV | R412018148-BAL-001-AB | English
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