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F3SG-R
User’s Manual
Chapter2 Reduced Resolution
System Operation and Functions
E
2-16. Reduced Resolution
2-16-1. Overview
The reduced resolution function prevents the safety output to turn off by an object moving in a
detection zone. With this function, an object with a size of 1 to 3 beams can be ignored by changing a
detection capability size. Unless the number of interrupted continuous beams exceeds the setting (1 to
3 beams), the total number of interrupted beams has no limit. The response time remains the same
even when the detection capability is changed.
The difference from the Floating Blanking is that the Reduced Resolution keeps the safety outputs ON
even when an object is present discontinuously.
Refer to 2-1. Combination of Functions for more information on the use in conjunction with other functions.
The Reduced Resolution is not available for the F3SG-RE.
Detection capability gets larger when the reduced resolution function is used. When this
function is used, the safety distance calculation must be based on the increased detection
capability for this function. Otherwise, the machine may not stop before a person reaches
the hazardous part, resulting in serious injury.
If detection capability may get larger and a human body may pass a detection zone to
reach a hazardous source, additional safety protection equipment must be installed such
as a safety fence.
The F3SG-RA must be installed, configured, and incorporated into a machine control
system by a sufficiently trained and qualified person. Unqualified person may not be able
to perform these operations properly, resulting in failure of human body detection and
heavy injury.
Detection Capability
Detection capability for F3SG-RA differs based on the number of floating beams as shown below.
F3SG-R LED indicator status
When the Reduced Resolution is being enabled, the Blanking indicator turns on.
Refer to 2-1. Combination of Functions for more information on the use in conjunction with other functions.
F3SG-RA Series X
F3SG-RE Series
Model
Number of beams
configured
Detection capability
Number of blocked beams
to turn safety outputs OFF
Maximum diameter of
object ignored
F3SG-4RA-14
- 14 mm 1 beam -
1 beam 24 mm 2 beams 6.6 mm
2 beams 34 mm 3 beams 16.6 mm
3 beams 44 mm 4 beams 26.6 mm
F3SG-4RA-30
- 30 mm 1 beam -
1 beam 50 mm 2 beams 13 mm
2 beams 70 mm 3 beams 33 mm
3 beams 90 mm 4 beams 53 mm
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