Safety Light Curtain
97
Physical resolution
(see ESPE data sheet)
Number of blocked
beams
Effective resolution
Undetected object
size *
14 mm
0
14 mm
–
1
24 mm
≤
3 mm
2
34 mm
≤
13 mm
3
44 mm
≤
23 mm
4
54 mm
≤
33 mm
5
64 mm
≤
43 mm
6
74 mm
≤
53 mm
7
84 mm
≤
63 mm
8
94 mm
≤
73 mm
30 mm
0
30 mm
–
1
50 mm
≤
9 mm
2
70 mm
≤
29 mm
3
90 mm
≤
49 mm
4
110 mm
≤
69 mm
* Objects of the specified size are not detected if they are moving along the safety field at a speed of 0.2 m/s.
5.2.5.5.2 Example Reduced Resolution
• ESPE with 14 mm resolution
• 2 consecutive blanked beams are tolerated
effective resolution 34 mm
• Beams 1 and 15 are synchronization beams
Beam no.
OSSD status
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
No obstruction,
no penetration
ON
1 obstruction
ON
2 obstructions
ON
3 obstructions
ON
2 obstructions
ON
1 obstruction and
penetration
E
E
E
OFF (penetration
safety field)
