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Chapter
3
Operating Instructions
C4000 Select
14
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
8012247/RI61/2007-11-30
Product description
The benefits of cascading include:
no additional external circuitry required making connection of additional protective
devices easy to implement
the protective field height may differ among the individual C4000 Select devices
a combination of hazardous point (i.e. C4000 Select) and area protection devices (e.g.
SICK S300/S3000 safety laser scanners) can be realized in a single safety system.
The following sections describe the different configurations supported by the C4000
Select. For ease of understanding, only the receiver units have been shown in subsequent
figures.
Ensure that you set the Extended I/O DIP switch correctly for your application!
When cascading additional protective devices to the C4000 Select, you must ensure that
the Extended I/O DIP switch has been set to
Enabled
. Failure to enable the Extended I/O
function in cascaded applications will expose personnel to risk of the associated hazard!
Please refer to chapter 4 “Configuration” on page 21 for additional details regarding
extended I/O DIP switch settings and functionality.
Standalone operation
Standalone operation can be realized with all C4000 Select variants. Regardless of vari-
ant, DIP switch configuration can be set for standalone operation (refer to chapter 4 “Con-
figuration” on page 21 for additional information).
Cascade of multiple C4000 Select systems
The C4000 Select supports the cascade of up to three 1800 mm protective height C4000
Select sender and receiver pairs. This may be realized only when the extended I/O connec-
tion is available. When three light curtains are cascaded together, a physical barrier may
be necessary to prevent optical interference between the two light curtains configured with
the same beam code if they are positioned too closely together. Refer to section 4.2
“Beam coding” on page 23 for additional information regarding this requirement.
WARNING
Fig. 2: C4000 Select recei-
vers used in standalone
operation (shown without
extended I/O capability)