Table Of Contents - Mitsubishi Electric MELSEC-QS Series Safety Application Manual

Thank you for purchasing the Mitsubishi Electric safety programmable controller MELSEC-QS series.
Before using the equipment, please read this manual carefully to develop full familiarity with the functions
and performance of the QS series programmable controller you have purchased, so as to ensure correct
use.
When applying the program examples introduced in this manual to the actual system, ensure the
applicability and confirm that it will not cause system control problems.
SAFETY PRECAUTIONS ................................................................................................................................ A - 1
CONDITIONS OF USE FOR THE PRODUCT..................................................................................................A - 9
REVISIONS.....................................................................................................................................................A - 10
INTRODUCTION.............................................................................................................................................A - 11
CONTENTS ....................................................................................................................................................A - 11
MANUAL .........................................................................................................................................................A - 13
HOW THIS MANUAL IS ORGANIZED ...........................................................................................................A - 15
HOW TO USE THIS MANUAL........................................................................................................................A - 15
GENERIC TERMS AND ABBREVIATIONS.................................................................................................... A - 16
TERMINOLOGY..............................................................................................................................................A - 17
CHAPTER 1 OVERVIEW
CHAPTER 2 APPLICATION EXAMPLE
CHAPTER 3 RISK ASSESSMENT AND SAFETY LEVEL
3.1 Risk Assessment ............................................................................................................................. 3 - 1
3.1.1 Risk reduction........................................................................................................................... 3 - 2
3.2 Safety Category ............................................................................................................................... 3 - 3
3.3 PL .................................................................................................................................................... 3 - 5
3.4 SIL ................................................................................................................................................... 3 - 7
CHAPTER 4 PRECAUTIONS FOR USE OF SAFETY PROGRAMMABLE CONTROLLER
4.1 Precautions for Designing Safety Application.................................................................................. 4 - 1
4.2 Precautions for Programming .......................................................................................................... 4 - 9
4.3 Precautions for Startup .................................................................................................................. 4 - 18
4.4 Precautions for Safety Functions Maintenance ............................................................................. 4 - 19
CHAPTER 5 SAFETY APPLICATION CONFIGURATION EXAMPLE
(USING A SINGLE SAFETY PROGRAMMABLE CONTROLLER)
5.1 System Configuration ...................................................................................................................... 5 - 1
INTRODUCTION
CONTENTS
1 - 1 to 1 - 2
2 - 1 to 2 - 2
3 - 1 to 3 - 7
4 - 1 to 4 - 19
5 - 1 to 5 - 85
A
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