KEYENCE SL-CHS Series - Manual (Page 27)

Chapter 2 Installation and Assembly
2-5
2
ENGLISH
2-2 Safety Distances
Install the SL-CHS after calculating and verifying the necessary safety distances.
• Minimum safety distance
The minimum safety distance refers to the minimum distance that the light curtain must be separated from
the hazardous zone or hazard in order to stop the machine before people or objects can reach the
hazardous zone or hazard. The centerline at the beam axis surface of the SL-CHS Series is used as the
origin when calculating the minimum safety distance.
4
3
2
1
ON/OFF
FUNCTION
Center line
The safety distance for normal approach against the detection zone of the SL-CHS Series is calculated
as shown on the following page.