Siemens SIRIUS 3RK3 - Critical Safety Warnings; Hazardous Voltage Danger

Table of contents
1 About this manual ............................................................................................................................... 11
1.1 Purpose of this manual ...................................................................................................... 11
1.2 Required basic knowledge.................................................................................................. 12
1.3 Validity range .................................................................................................................... 13
1.4 Topics dealt with................................................................................................................ 14
1.5 Additional documentation ................................................................................................. 15
1.6 Siemens Industry Online Support ....................................................................................... 16
1.7 Siemens Industry App ........................................................................................................ 18
1.8 Con󹪝gurator for safety relays.............................................................................................. 19
1.9 Evaluation of safety functions ............................................................................................ 20
1.10 User responsibility for system design and function.............................................................. 21
1.11 De󹪝nitions ......................................................................................................................... 22
1.12 History............................................................................................................................... 23
2 Product-speci󹪝c information ............................................................................................................... 25
2.1 General safety notes .......................................................................................................... 25
2.2 Recycling and disposal ....................................................................................................... 27
2.3 Intended use...................................................................................................................... 28
2.4 Safety information for hazardous areas............................................................................... 30
2.5 Current information about operational safety ..................................................................... 31
2.6 Security information .......................................................................................................... 32
3 Overview.............................................................................................................................................. 33
3.1 3RK3 Modular Safety System.............................................................................................. 33
3.2 Applications....................................................................................................................... 37
3.3 A typical system con󹪝guration of the MSS 3RK3 main system.............................................. 38
3.4 A typical con󹪝guration of the subsystem with AS-Interface ................................................. 39
3.5 MSS 3RK3 system components........................................................................................... 42
3.6 Features and functions of the MSS 3RK3............................................................................. 47
3.7 Safety systems - General information ................................................................................. 50
3.7.1 Safety function .................................................................................................................. 50
3.7.2 What is safety?................................................................................................................... 51
3.7.3 Basic terminology .............................................................................................................. 51
3.7.3.1 Redundancy/single-channel and two-channel ..................................................................... 51
3.7.3.2 Cross-circuit detection........................................................................................................ 52
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 3