White Paper: Safety Light Curtains
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© ipf electronic 2015 1
White Paper
Safety Light Curtains
Author: Christian Fiebach (Dipl .-Ing.)
Executive Manager ipf electronic GmbH
White Paper: Safety Light Curtains
_____________________________________________________________________
© ipf electronic 2015 2
Table of contents
1. Introduction 3
2. General functionality 4
3. Classification of safety light curtains and areas of application 4
4. Selecting the right protection system 6
4.1 Resolution of the protective system 6
4.2 Height of the protected area 7
4.3 Minimum safety distance of the system to the danger area 9
4.3.1 Calculation of the minimum safety distance 10
4.3.2 Special relevance of the stopping time 11
4.3.3 Safety distance with horizontally installed systems 13
5. What else is to be taken into account during installation? 14
5.1 Minimum distance from reflective surfaces 15
5.2 Installation of multiple systems next to one another 17
5.3 Alignment of transmitter and receiver 20
5.4 Use of deflection mirrors 20
6. Application examples 22