Banner AG4 Series Safety Laser Scanner
Product Manual
P/N 144924 05/2009
37
Figure 20. Beam level close to the floor – maximum resolution of
50 mm is required
Figure 21. Beam level at 300 mm – maximum resolution of 70 mm
is required
4.5.8
C for Horizontal Protective Field Applications (parallel approach)
C
, from the minimum separation formula, is an additional distance required to account for the protective field intrusion (finger, hand or arm)
that’s possible. The value for
C
(for horizontal field applications) is a function of the height of the field and is never to be less than 850mm (35in)
C
=
1200 mm – (0.4 x H)
or
C = 48 in. – (0.4 x H)
where
H
is the distance of the protective field above a walking surface and
can never be greater than 1000mm
C
can never be less that 850 mm (34 in).
Figure 22. Beam level H = 300 mm, C = 1080 mm
Figure 23. Beam level H = 875 mm to 1000 mm, C = 850 mm
Response time considerations
WARNING . . . AG4 RESPONSE TIME ADJUSTMENTS
Do not increase the Scanner’s 80 ms response time for vertically positioned protective fields such as work cell access (Entry/
Exit) or perimeter guarding applications where a person could move quickly through the protective field without being detected.
Failure to follow this recommendation could result in serious bodily injury or death.
