ABB DCS8 Series, Original User Manual

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Table of contents
3ADW00050Q957 Prevention of unexpected start-up en c
Table of contents
List of related manuals 2
Table of contents 3
Safety Instructions 4
Introduction to the manual 5
Contents of this chapter ............................................................................................................................................. 5
Applicability .................................................................................................................................................................... 5
Target audience ............................................................................................................................................................. 5
Contents .......................................................................................................................................................................... 5
Related documents ....................................................................................................................................................... 5
Abbreviations ................................................................................................................................................................. 6
Exclusion of liability ...................................................................................................................................................... 6
Quick reference guide for implementing a safety system .................................................................................. 7
Option description and instructions 8
Contents this chapter .................................................................................................................................................. 8
+Q957 basic function description ............................................................................................................................. 8
Operation principle ....................................................................................................................................................... 9
+Q957 Fault reaction function ................................................................................................................................. 10
Parameter settings ..................................................................................................................................................... 10
Hardware settings ...................................................................................................................................................... 11
Wiring ............................................................................................................................................................................. 11
+Q957 Start-up and acceptance test ..................................................................................................................... 12
Use of the safety function ......................................................................................................................................... 13
Activating .................................................................................................................................................................. 13
Resetting ................................................................................................................................................................... 13
POUS indications ......................................................................................................................................................... 13
+Q957 Fault tracing .................................................................................................................................................... 13
+Q957 Maintenance .................................................................................................................................................... 14
Proof test interval ................................................................................................................................................... 14
Diagnostic test interval ......................................................................................................................................... 15
Competence ............................................................................................................................................................. 15
Residual risk ............................................................................................................................................................. 15
Intentional misuse .................................................................................................................................................. 15
Decommissioning ................................................................................................................................................... 15
Safety data .................................................................................................................................................................... 16
Safety data values................................................................................................................................................... 16
Safety component types ....................................................................................................................................... 16
Safety block diagram ............................................................................................................................................. 16
Relevant failure modes .......................................................................................................................................... 16
Fault exclusions ....................................................................................................................................................... 16
Operation delays ..................................................................................................................................................... 16
General rules, notes and definitions ....................................................................................................................... 16
Validation of the safety functions ...................................................................................................................... 16
Ambient conditions ................................................................................................................................................ 17
Reporting problems and failures related to safety functions...................................................................... 17
Related standards and directives............................................................................................................................ 18
Compliance with the European Machinery Directive ..................................................................................... 18
Further information 19