Leuze electronic MLC 520 User Manual

Table of contents
Leuze electronic MLC 520 3
Table of contents
1 About this document ............................................................................................5
1.1 Used symbols and signal words ............................................................................................. 5
1.2 Checklists................................................................................................................................ 6
2 Safety .....................................................................................................................7
2.1 Approved purpose and foreseeable improper operation ........................................................ 7
2.1.1 Proper use .............................................................................................................................. 7
2.1.2 Foreseeable misuse ............................................................................................................... 8
2.2 Competent persons ................................................................................................................ 8
2.3 Responsibility for safety..........................................................................................................8
2.4 Disclaimer ............................................................................................................................... 8
3 Device description ................................................................................................9
3.1 Device overview......................................................................................................................9
3.2 Connection technology ......................................................................................................... 10
3.3 Display elements .................................................................................................................. 11
3.3.1 Operating indicators on the MLC500 transmitter ................................................................. 11
3.3.2 Operating indicators on the MLC520 receiver ..................................................................... 11
3.3.3 Alignment display..................................................................................................................13
4 Functions.............................................................................................................14
4.1 Start/restart interlock RES .................................................................................................... 14
4.2 EDM contactor monitoring .................................................................................................... 15
4.3 Transmission channel changeover ....................................................................................... 15
4.4 Range reduction ................................................................................................................... 16
5 Applications ........................................................................................................17
5.1 Point of operation guarding...................................................................................................17
5.2 Access guarding ................................................................................................................... 18
5.3 Danger zone guarding .......................................................................................................... 18
6 Mounting..............................................................................................................19
6.1 Arrangement of transmitter and receiver .............................................................................. 19
6.1.1 Calculation of safety distanceS............................................................................................19
6.1.2 Calculation of safety distance if protective fields act orthogonally to the approach direction. 20
6.1.3 Calculation of safety distanceS for parallel approach to the protective field........................ 24
6.1.4 Minimum distance to reflective surfaces............................................................................... 25
6.1.5 Preventing mutual interference between adjacent devices .................................................. 26
6.2 Mounting the safety sensor................................................................................................... 28
6.2.1 Suitable mounting locations.................................................................................................. 28
6.2.2 Definition of directions of movement..................................................................................... 29
6.2.3 Fastening via BT-NC60 sliding blocks .................................................................................. 29
6.2.4 Fastening with BT-R swivel mount ....................................................................................... 29
6.2.5 Fastening via swiveling mounting brackets .......................................................................... 30
6.2.6 One-sided mounting on the machine table ........................................................................... 30
6.3 Mounting accessories ........................................................................................................... 31
6.3.1 Deflecting mirror for multiple-side guarding .......................................................................... 31
6.3.2 MLC-PS protective screen.................................................................................................... 33
7 Electrical connection..........................................................................................34
7.1 Pin assignment transmitter and receiver .............................................................................. 34
7.1.1 MLC500 transmitter ............................................................................................................. 34
7.1.2 MLC520 receiver ................................................................................................................. 36
7.2 Circuit diagram examples ..................................................................................................... 37

Leuze electronic MLC 520 Specifications

General

Brand	Leuze electronic
Model	MLC 520
Category	Security Sensors
Language	English