Omron F3SG-RA, Руководство пользователя

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77
F3SG-R
User’s Manual
Chapter
2
Fixe
d Bla
n
king
System Operation and Functions
E
2-14. Fixed Blanking
Install protective structure for all zones of disabled zone so that a worker should not be able to
approach hazardous zone of a machine without passing through zones disabled by the fixed
blanking function.
Otherwise it may result in serious injury.
If allowable beams are designated for fixed blanking, detection capability gets larger near an
object that interrupts beams. Calculate a safety distance based on the setting. Otherwise, the
machine may not stop before a person reaches the hazardous part, resulting in serious injury.
Responsible Person must ensure that a test rod should be detected in all zones where it should
be detected after setting the fixed blanking function. Failure to do so may result in serious injury.
2-14-1. Overview
 Fixed Blanking Function
This function disables a part of F3SG-RA detection zone. The safety output stays in the ON state even
if an object exists in the disabled zone.
One zone consists of continuous beams for the fixed blanking setting, and the number of zones can be
configured up to three zones, from fixed blanking zone 1 to 3. Note that you cannot configure fixed
blanking for all beams. In addition, fixed blanking cannot be configured for both beams of the ends
(synchronization beams) of the primary sensor at the same time.
The Fixed Blanking is not available for the F3SG-RE.
 Fixed Blanking Zone Setting
A zone for fixed blanking zone must be configured. It is possible to perform teaching and set the
designated beams manually with the interrupting object placed in the appropriate position. In this
example shown below, the 5th and 10th beams are set as bottom and top beams respectively.
For details of the teach-in setting with the DIP Switch, see 3-3-1. Setting Fixed Blanking by Teach-in .
F3SG-RA Series X
F3SG-RE Series
Fixed blanking zone
10th beam
5th beam
Upper Upper
Lower Lower