6.3 - Detection zone parallel to the direction of approach

Last edit: 31/01/2025

When the direction of approach is parallel to the detection device, the minimum distance S, in millimeters [mm], shall be calculated using the following equation:

S=(K×T)+D_DS+Z

Where:
K=1600 [mm/s]
D_DS=1200 [mm]
Z is a supplemental distance factor, in [mm]

In addition, the height of the detection zone with respect to the reference plane H_D directly related to actual detection capability d_e of the ESPE must respect the following inequality:

H_D ≥ 15∙(d_e-50)

H_D shall neither be less than 0 [mm] nor greater than 1000 [mm]. However, if the height of the detection zone H_D from the reference plane is greater than 200 [mm], there is a risk of inadvertentl undetected access below the detection zone.

10 – Two-hand control devices

Index

EN ISO 13855: Positioning of safeguards with respect to to the approach of the human body 4 – Methodology 5 – Separation distance 8 – Orthogonal approach to a detection zone 9 – Parallel approach to a detection zone 10 – Two-hand control devices 12 – Interlocking guards

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9 - Parallel approach to a detection zone

Index