1107200
Shadow VI User Manual
page 36
Chapter 2
Installation and Checkout
Table 2-2. OSHA Table 0-10
Distance of opening
from pinch point
Maximum Dimension
of Opening
1/2" to 1 1/2"
1/4"
1 1/2" to 2 1/2"
3/8"
2 1/2" to 3 1/2"
1/2"
3 1/2" to 5 1/2"
5/8"
5 1/2" to 6 1/2"
3/4"
6 1/2 to 7 1/2"
7/8"
7 1/2" to 12 1/2"
1 1/4"
12 1/2" to 15 1/2"
1 1/2"
15 1/2" to 17 1/2"
1 7/8"
17 1/2" to 31 1/2"
2 1/8"
Using Mirrors with Shadows
NOTICE
MIRRORS DECREASE SCANNING DISTANCE AND ANGLE OF DIVERGENCE
•
Allow for a reduction in scanning range of 10% for each mirror you use. For example, if your
extended range unit normally scans 50’ and you use two mirrors, it will now scan 40’ (50’
minus 10’).
•
Allow for a reduction in angle of divergence if you use mirrors. This greatly reduces the light
curtain’s tolerance of vibration and makes alignment more critical.
You can use mirrors with Shadow VI for two- or three-sided guarding. Wintriss offers front-
reflective mirrors that provide optimal light transmission or reflection. Mirrors can be
optionally purchased from Wintriss. Dimensions for mirrors are shown in Figure 2-9.
Wintriss does not recommend the use of other mirrors or other reflective surfaces as they
may severely reduce vibration tolerance or scanning distance. The Shadow transmitter and
receiver are aimed at the mirrors. The light beam is reflected from the transmitter to the
receiver by way of the mirrors. This method could be used on any type of machinery where
three-sided guarding is needed. When using mirrors, your setup will look similar to the
drawing in Figure 2-10. You do not have to arrange the Shadow light curtains and mirrors in
a rectangle as shown, however.
You can adjust the mirrors to reflect light from the Shadow VI transmitter at other angles
besides right angles. Shadow VI aligns in the same way using mirrors as without them. Even
though the transmitter and receiver will not be pointed at each other, the units and the mirrors
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