
Operating Instructions
miniTwin2
4©SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013482/YT85/2016-02-23
Subject to change without notice
Contents
Contents
1About this document ........................................................................................................ 6
1.1 Function of this document ................................................................................... 6
1.2 Target group.......................................................................................................... 6
1.3 Scope..................................................................................................................... 6
1.4 Information depth................................................................................................. 6
1.5 Abbreviations ........................................................................................................ 7
1.6 Symbols used........................................................................................................ 7
2On safety ............................................................................................................................ 8
2.1 Qualified safety personnel ................................................................................... 8
2.2 Applications of the device .................................................................................... 8
2.3 Correct use............................................................................................................ 9
2.4 General safety notes and protective measures.................................................. 9
2.5 Environmental protection................................................................................... 10
2.5.1 Disposal............................................................................................. 10
2.5.2 Separation of materials.................................................................... 10
3Product description ........................................................................................................ 11
3.1 Special features.................................................................................................. 11
3.2 Operating principle of the device....................................................................... 12
3.2.1 Device components .......................................................................... 12
3.2.2 Operating principle safety light curtain ........................................... 13
3.2.3 Cascading.......................................................................................... 14
3.3 Application examples ......................................................................................... 15
3.4 Status indicators................................................................................................. 16
3.5 Configurable functions ....................................................................................... 18
3.5.1 Reset ................................................................................................. 19
3.5.2 External device monitoring (EDM) ................................................... 21
4Mounting.......................................................................................................................... 22
4.1 Determining the minimum distance.................................................................. 22
4.1.1 Minimum distance from the hazardous point................................. 22
4.1.2 Minimum distance to reflective surfaces........................................25
4.1.3 Minimum distance for cascaded systems.......................................26
4.2 Steps for mounting the device........................................................................... 27
4.2.1 Mounting direction of the Twin Sticks ............................................. 28
4.2.2 Mounting possibilities ...................................................................... 28
4.2.3 Mounting with OAFix bracket ............................................................ 29
4.2.4 Mounting with CAFix bracket............................................................. 31
4.2.5 Mounting with LAFix bracket ............................................................. 33
4.2.6 Mounting with CAFix bracket and LAFix bracket ............................... 35
4.2.7 Mounting with CAFix-Flex bracket ..................................................... 37
4.3 Resolution at the end of the Twin Sticks........................................................... 40
5Electrical installation ..................................................................................................... 41
5.1 System connection ............................................................................................. 43
5.1.1 Pin assignment system connection................................................. 44
5.2 Cascading............................................................................................................ 45
5.2.1 Changes to cascaded systems ........................................................ 46
5.3 Protective operation without Reset and/or without EDM ................................ 47
5.4 Reset button ....................................................................................................... 48
5.5 External device monitoring (EDM) ..................................................................... 49
5.6 Connection diagrams ......................................................................................... 50