WARNING:
• Calculate the Safety Distance (Minimum Distance)
• Failure to establish and maintain the safety distance (minimum distance) could result in serious
injury or death.
• Mount the components at a distance from the nearest hazard such that an individual cannot
reach the hazard before cessation of the hazardous motion or situation. Calculate this distance
using the supplied formulas, as described by ANSI B11.19 and ISO 13855. Mount the
components more than 100 mm (4 in) away from the hazard, regardless of the calculated value.
WARNING: Reduced Resolutions increases Dpf (or C). Increase the depth penetration factor to calculate
proper minimum distance when using a Reduced Resolution configuration. Always turn Reduced
Resolution mode off when the larger minimum object detection size is not required.
Hard (fixed) Guarding
Reset Switch
Nearest Hazard Point
Robot
Turn-
Table
Hard (fixed)
Guarding
Safety Light Curtain/Screen
Figure 3. Safety distance (minimum distance) and hard (fixed) guarding
Formula and Examples
U.S. Applications
European Applications
The Safety (Separation) Distance formula for U.S. applications:
Ds = K × (Ts + Tr) + Dpf
The Minimum Distance formula for European applications:
S = (K × T) + C
EZ-SCREEN
®
14/30 mm Safety Light Screen
20
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