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Programmer's Guide
Beams which when interrupted,
Zone 1-4
cause the corresponding zone
output to be activated
Carrier height
Beams representing the carrier
zone.
This
important for Overhang moni-
toring (see chapter 4.10)
4.3.
Measurement reference point
All measurements are made from the reference point to the respective beam numbers. For the standard beam
counting direction this reference point is at the cable end of the light curtain. For the reverse beam counting
direction this point is the opposite end of the light curtain housing. The reference point is defined as the end of
the red light curtain housing (see Figure 11).
Figure 11: Example of a 25 mm pitch Object100 light curtain. (p = pitch, h
In an Object100 light curtain with a 25 mm pitch, only every 2
Note:
4.4.
Pitch and height measurement
The light curtain is designed with an active beam pitch of 10 mm or 25 mm. In either case the lens closest to the
connector end of the light curtain will always contain an active beam. The beam positions are a function of the
beam number and can be calculated as follows:
h = h
+ (n-1) x p
off
Examples:
Object100 with pitch = 10 mm (Standard beam counting direction)
h
= 5 mm
off
p
= 10 mm
© CEDES Safety & Automation AG
Z1L
Z1H
"zc"
information
is
Standard beam counting direction
Reverse beam counting direction
h
active beam position [mm] with respect to the reference point at the end
of the light curtain housing
h
Beam offset
off
n
Beam number
p
Pitch
n
1
2
h
5
15
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Zone 1 low beam (incl.)
Zone 1 high beam (incl.)
Top beam carrier zone (incl.)
= Beam offset)
off
nd
physical lens is "active"!
3
4
5
25
35
45
ObjectC 100
6
7
...
55
65
...
[mm]
25
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