IFM OY4**S Series, Operating Instructions Manual

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Contents
1 Preliminary note ...................................................................................................4
1.1 Symbols used ................................................................................................4
1.2 Warning signs used .......................................................................................4
2 Safety instructions ...............................................................................................5
2.1 Safety-related requirements regarding the application ..................................6
3 Items supplied......................................................................................................7
4 Functions and features ........................................................................................7
5 Function ...............................................................................................................8
6 Installation............................................................................................................9
6.1 Installation instructions ..................................................................................9
6.2 Calculation of the minimum safety distance ................................................11
6.3 Vertical installation of the safety light curtains / light grids ...........................12
6.3.1 Safety light curtains: resolution 30 mm ...............................................12
6.3.2 Safety light grids 2, 3 and 4 beams ....................................................13
6.4 Horizontal installation of the safety light curtains .........................................13
6.5 Fixing and optical alignment ........................................................................14
6.5.1 Optical alignment ................................................................................14
6.6 Distance of reflective surfaces .....................................................................15
6.7 Multiple systems ..........................................................................................17
6.8 Use of corner mirrors ...................................................................................18
7 Electrical connection ..........................................................................................19
7.1 Wiring diagram transmitter...........................................................................19
7.2 Wiring diagram receiver ...............................................................................20
8 Operating modes ...............................................................................................21
8.1 Automatic operation .....................................................................................22
8.2 Manual operation .........................................................................................22
8.3 Connection of external feedback contacts ..................................................23
8.4 Test function .................................................................................................23
8.4.1 Internal test function ...........................................................................23
9 Operating and display elements ........................................................................24
9.1 LED indicators for optical alignment ............................................................24
9.1.1 Alignment in the automatic mode .......................................................24