Operating Instructions Chapter 5
C4000 Palletizer Std./Adv.
C4000 Fusion
8012249/YT69/2016-02-25 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 41
Subject to change without notice
Configuration of blanking
Blanked areas require a separate risk analysis!
A blanked area is in principle a hole in the protective field. Check in detail whether and
where blanking is actually required. You must protect the blanked area in another way, e.g.
mechanically. Otherwise you must take the blanked area into consideration in the calcula-
tion of the safety distance and mount the safety light curtain appropriately.
In vertical applications, check the protective field with the test rod after each modifica-
tion of the blanking. Instructions can be found in chapter 8.3.3 “Daily functional checks
of the protective device” on page 86.
Check the protective field in horizontal applications by inserting an invalid object into
the protective field. The C4000 must shut down its OSSDs.
In horizontal applications, make sure to limit the velocity of the objects in the protective
field to maximally 2 m/s.
Also pay attention to the warnings in the related chapter.
5.1 Object entry monitoring
The beams on the C4000 are aligned with the pallet feet or the freight on the pallet for
object entry monitoring. Using this function all goods and pallets that leave a system can
be blanked.
If other objects, in particular people, enter the protective field in the direction opposite to
that allowed, the C4000 shuts down its output signal switching devices.
This object entry monitoring can be used for example if pallets are to be monitored that do
not meet the precise parameters for pallet detection or goods detection. These could be,
e.g. partially wrapped pallets or pallets on which only one foot is continuously visible in the
protective field (e.g. the Duesseldorfer or the CHEP pallet on which the wooden blocks
have been replaced with steel plates).
You can configure the object entry monitoring function in the CDS on the C4000
(receiver).
For object entry monitoring you configure:
the direction of entry into the beam path:
– object entry only adjacent to display
– object entry only remote from display
if necessary, the maximum size allowed for the objects
W
ARNING
mechanical protection of a
fixed blanking
Blanked area, sides protected by
mechanical barriers
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