
Operating Instructions
Light Grids/ Light Curtains LCA 4
74
(translation of the original operating instructions) 2504709-01-06/17
Danger area
L1
L2
L3
S
S
S
Trans-
mitter
Receiver
Mirror
Mirror
Figure 18: Usage of deflection mirrors
1. Determine the working distance from the sum of the lengths of the protected area.
(L1 = transmitter – mirror, L2 = mirror – mirror, L3 = mirror – receiver)
Note that on the usage of a mirror, the max. range between the transmitter and receiver is reduced by 15% for each mirror.
NOTICE
On the calculation of the range, the reduction per mirror must be assumed.
The range can be calculated using the following formula:
Eff. range R
eff
= R
max
˙
0.85
n
Variable
Definition
R
eff
Effective range
R
max
Max. range of the device
n
Number of mirrors
Important!
The signal detection can be checked using the LED indicator.
See chapter: LED displays
2. Position the mirrors taking into account the working distance and the minimum safety distance S around the danger area.
Make sure that no distortion is caused along the longitudinal axis
Tip!
It is recommended not to use more than three deflection mirrors.
Содержание LCA 4
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