107026-11-EN FR26 ROW 302 Printed in France 5
3.2 Protected height
The FF-SB14 is guaranteed to detect any opaque object with dimensions ≥ 35 mm.
• Nominal protected height (NPH)
This is the rounded off protected height, used to simplify the specification.
• Real protected height for an object of 35 mm (PH 35)
This is the height of the zone, in which an object of 35 mm is certain to be detected.
• Practical protected height (minimum height to be left free)
Height in which no obstacle may obstruct the beams.
ø
35
ø
35
Possible
obstacle
Possible
obstacle
Beam
beam
Protected
height
Protected
height 35
PH 35
PH
15.9
15.9
7.2
18.3
ø 9.5
Hb
Ht
Beam
43.6
Dimensions in mm
NPH Nominal Protection Height
400 600 800 1000 1200 1400
PH Protected Height
415,9 619,1 822,3 1025,5 1228,7 1431,9
PH35 Real protected Height for a 35 mm object
466,7 669,9 873,1 1076,3 1279,5 1482,7
Hb Barrier Height
477,8 681 884,2 1087,4 1290,6 1493,8
Ht Total Height incl plastic connectors.
547,8 751 954,2 1157,4 1360,6 1563,8
Ht Total Height incl. metal connectors
569,8 773 976,2 1179,4 1382,6 1585,8
Note: Detection sensitivity (35 mm) and protected height are fully independent of the scanning distance (range).
FSB14_9
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