SICK nanoScan3

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Figure 12: Overrun of the protective field in front of an opening
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Tolerance band of the reference contour field
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Distance of the protective field from the contour, to ensure availability
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o = overrun of the protective field over the opening
Protective field and reference contour field for access protection
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If t
he reference contour represents the edge of the protected opening, its distance
from the protective field must not exceed 100mm. A distance equal to the
TZ value is recommended for high availability and sufficient protection. (TZ =
tolerance zone of the safety laser scanner, see "Data sheet", page 117.)
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If the reference contour does not represent the edge of the protected opening, the
protective field must be larger than the protected opening. The required overrun
(o) is calculated using the same formula as for hazardous point protection.
PROJECT PLANNING 4
8027909/2023-02-22 | SICK O P E R A T I N G I N S T R U C T I O N S | nanoScan3 – EtherNet/IP™
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Subject to change without notice