Operating Instructions Chapter 3
C4000 Palletizer Std./Adv.
C4000 Fusion
8012249/YT69/2016-02-25 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 15
Subject to change without notice
Product description
3.2 Operating principle of the device
The C4000 Palletizer and the C4000 Fusion safety light curtains provide access protection
if, e.g., packages or goods on a pallet have access to a system or machine.
The C4000 Fusion also provides access protection when geometrically even objects with-
o
ut undercutting have access to a system or machine. It also provides hazardous point
protection with up to five blanked areas.
3.2.1 Horizontal applications
The pattern-detecting operating modes for goods detection, for pallet detection or for
object pattern recognition represent an alternative muting.
Muting temporarily mutes the protection provided by a safety device. In this way it is
possible to move material to or from a machine without the need to interrupt the work
process.
During muting a differentiation is made between people and material with the aid of
additional sensor signals. In the event of a valid muting condition the protective device is
overridden on the basis of a logical evaluation of these external sensor signals so that the
material to be transported can pass through the protective device. As soon as anything
other than material enters the hazardous area, the work process is interrupted.
Self-teach dynamic blanking for goods detection, for pallet detection or for object pattern
recognition uses this principle in that an object (good, pallet, mesh crate etc.) is briefly
frozen based on the static pattern and movement through the field/conveying allowed.
Conversely, a person will dynamically interrupt the beams.
Safety considerations are therefore comparable to muting.
In comparison to muting, there are the following differences: C4000 is always active, never
“muted”, i.e. a part of the protective field is always monitored for whether a person is
entering the hazardous point.
Standard/Advanced and
C4000 Fusion used
horizontally for hazardous
area protection or access
protection
Fig. 2: C4000 Fusion used
vertically for hazardous area
protection, access protection
or hazardous point protection
WARNING
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