SICK C4-RD User Manual

Important information
DANGER
H
azard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of
non-observance.
b
Make sure that the following construction requirements are met so that the safety
light curtain can fulfill its protective function.
°
Sender and receiver must be arranged such that persons or parts of the body
are reliably detected when they enter the hazardous area.
°
Reaching under, over, and around as well as moving the safety light curtain
must be prevented.
°
Check whether additional safety measures (e.g. restart interlocking) are nec‐
essary when it is possible for people to be located between the protection
system and the danger point without being detected.
Further topics
•
"Mount
ing", page 30
4.3.1 Scanning range and protective field width
Important information
DANGER
H
azard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of
non-observance.
b
The safety light curtain can only be mounted on machines on which the protective
field width does not change when the safety light curtain is switched on.
Protective field width
T
he protective field width is the dimension of the light path between sender and
receiver. The maximum protective field width is limited by the scanning range.
The protective field width cannot change during operation.
Scanning range
T
he scanning range limits the maximum protective field width. The protective field width
cannot change during operation.
Further topics
•
"Minimum dis
tance to reflective surfaces", page 19
•
"Technical data", page 61
4.3.2 Minimum distance from the hazardous point
Overview
A minimum dis
tance must be maintained between the safety light curtain and the
hazardous point. This distance is required to prevent a person or part of their body from
reaching the hazardous point before the end of the machine’s dangerous state.
4 PROJECT PLANNING
16
O P E R A T I N G I N S T R U C T I O N S | C4-RD 8025644/19Z2/2021-03-09 | SICK
Subject to change without notice

SICK C4-RD Specifications

General

Brand	SICK
Model	C4-RD
Category	Lighting Equipment
Language	English