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Chapter
4
Operating Instructions
C4000 Select
28
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
8012247/RI61/2007-11-30
Configuration
When floating blanking has been implemented with a C4000 Select device,
a hole is pro-
duced in the protective field
. With the aid of Tab. 14 you can determine the effective
resolution of the safety light curtain at this point and the corresponding minimum object
size that ensures that the C4000 Select safety outputs switch to inactive (low) (i.e. red
state).
Physical resolution
Size of the blanked
area
Blanked beams
(= reduction)
Effective resolution/
size of the hole
20 mm
1 beam
50 mm
30 mm
40 mm
2 beams
70 mm
Mark the effective resolution on the information label “Warning: During operation with
Floating blanking …” on the related sender and receiver.
Tab. 14: Effective resolution
for C4000 Select with
floating blanking
Fig. 17: Marking the effective
resolution on the device label
Warning:
During operation with “Floating blanking” the safety distance that
corresponds to the modified effective resolution is to be observed.
Reduction
Effective resolution/minimum object size
No blanking
30 mm
Floating blanking – 1 beam
50 mm
Floating blanking – 2 beams
70 mm
Mark the effective resolution here