SICK miniTwin4, Operating Instructions Manual

Page: 3 / 112

Contents
1 About this document........................................................................ 6
1.1 Scope......................................................................................................... 6
1.2 Target groups and structure of these operating instructions................ 6
1.3 Additional information.............................................................................. 7
1.4 Symbols and document conventions...................................................... 7
2 Safety information............................................................................ 9
2.1 General safety notes................................................................................ 9
2.2 Intended use............................................................................................. 9
2.3 Requirements for the qualification of personnel.................................... 10
3 Product description........................................................................... 11
3.1 Structure and function............................................................................. 11
3.2 Product characteristics............................................................................ 13
3.2.1 Device overview....................................................................... 13
3.2.2 Absence of blind zones........................................................... 14
3.2.3 Beam coding............................................................................ 14
3.2.4 Restart interlock...................................................................... 14
3.2.5 External device monitoring (EDM).......................................... 14
3.2.6 Cascading................................................................................. 15
3.2.7 System plug.............................................................................. 15
3.2.8 Flexible control cabinet cabling and status indication on
both sides.................................................................................
16
3.2.9 Status indicators...................................................................... 17
3.3 Example applications............................................................................... 19
4 Project planning................................................................................ 21
4.1 Manufacturer of the machine.................................................................. 21
4.2 Operator of the machine.......................................................................... 21
4.3 Design........................................................................................................ 21
4.3.1
Scanning range and protective field width............................. 22
4.3.2 Minimum distance from the hazardous point....................... 23
4.3.3 Minimum distance from reflective surfaces.......................... 25
4.3.4 Minimum distance for cascaded systems............................. 26
4.3.5 Protection against interference from systems in close prox‐
imity to each other...................................................................
28
4.4 Integrating the equipment into the electrical control............................. 29
4.4.1 Protective operation without reset and/or without EDM...... 31
4.4.2 Restart interlock...................................................................... 32
4.4.3 External device monitoring (EDM).......................................... 34
4.4.4 Cascading................................................................................. 35
4.4.5 Connection diagrams.............................................................. 38
4.5 Testing plan............................................................................................... 40
4.5.1 Test rod check.......................................................................... 41
CONTENTS
8012624/10OM/2018-08-09 | SICK O P E R A T I N G I N S T R U C T I O N S | miniTwin4 3
Subject to change without notice