Contents
1 About this document........................................................................ 6
1.1 Purpose of this document........................................................................ 6
1.2 Scope......................................................................................................... 6
1.3 Target groups and structure of these operating instructions................ 7
1.4 Symbols and document conventions...................................................... 7
1.5 Further information................................................................................... 8
2 Safety information............................................................................ 9
2.1 General safety note.................................................................................. 9
2.2 Intended use............................................................................................. 9
2.3 Requirements for the qualification of personnel.................................... 9
2.4 Safe state.................................................................................................. 10
3 Product description........................................................................... 11
3.1 Product identification............................................................................... 11
3.2 Application description............................................................................. 11
3.3 Components of the safety system........................................................... 11
3.4 Components required............................................................................... 11
3.4.1 Requirements for hold to run device...................................... 12
3.4.2 Reset pushbutton requirements............................................. 12
3.4.3 Requirements for Flexi Soft safety controller........................ 12
3.4.4 Requirements for the higher-level control.............................. 13
3.4.5 Requirements for the electro-sensitive protective device..... 13
3.5 Construction and function........................................................................ 14
3.6 Limits of the safety system...................................................................... 14
3.7 Functions................................................................................................... 15
4 Project planning................................................................................ 16
4.1 Manufacturer of the machine.................................................................. 16
4.1.1 Calculation of the performance level..................................... 16
4.2 Operating entity of the machine.............................................................. 17
4.3 Safety Functions....................................................................................... 17
4.3.1 Identifying hazards.................................................................. 17
4.3.2 Enabling material throughput................................................. 17
4.4 Design........................................................................................................ 17
4.4.1 Type 4 electro-sensitive protective device.............................. 17
4.4.2 Minimum distance between the Type 4 electro-sensitive
protective device and the hazardous point............................ 18
4.4.3 Design of the material opening............................................... 18
4.4.4 Conveyor speed........................................................................ 19
4.4.5 Calculating response times and stopping times................... 19
4.5 Integrating the equipment into the electrical control............................. 20
4.5.1 Circuit diagram......................................................................... 20
4.5.2 Testing plan.............................................................................. 21
CONTENTS
8021675/ZV26/2019-05-13 | SICK O P E R A T I N G I N S T R U C T I O N S | Safe Entry Exit 3
Subject to change without notice
