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30
Cross Talk Mitigation
Section 10-2
The interruption is not detected because of the reflection. Reflective surface
interference may also appear above and below the sensing field.
Worst case alignment example
This example shows the minimum distance from the reflective surface, d, to
one side of the beam center line
10-2 Cross Talk Mitigation
To mitigate interference from other light curtains, the MS2800 system has two
possible scan codes, A and B. The transmitter and receiver units must be set
to the same scan code for the receiver to enter the MACHINE RUN state.
Transmitter
Receiver
Approach direction
Central beam
Light beam interrupted
d
Reflective Surface
Perimeter of danger area
Reflection
Interruption
a
Beam Angle, a
Transmitter
Receiver
Approach direction
Central beam
Light beam interrupted
d
Reflective Surface
Perimeter of danger area
Reflection
Interruption
a
Beam Angle, a
0
0,2
0,4
0,6
0,8
1
1,2
1,4
1,6
1,8
2
0,1 0,2 0,5 1 2
3
4 5
6 7
8
9 10 11 12 13 14 15 16 17 18 19 20
Range [m]
M
in
im
u
m
D
ist
an
ce d
[
m
]
Scan Code A
Scan Code B
Summary of Contents for MS2800E
Page 3: ...iv ...
Page 5: ...vi ...
Page 19: ...2 Section ...
Page 25: ...8 MS2800FS Cascaded Series Section 4 3 ...
Page 33: ...16 Optical Synchronization Section 5 4 ...
Page 39: ...22 Selecting Scan Codes Section 7 7 ...
Page 41: ...24 Auxiliary Output Section 8 2 ...
Page 51: ...34 General Mounting Considerations Section 10 3 ...
Page 57: ...40 Using the test object Section 13 3 ...
Page 59: ...42 Section ...
Page 85: ...68 Accessories Section 15 9 ...
Page 87: ...70 Section ...
Page 91: ...74 Receiver Error Codes Section 17 5 ...
Page 95: ...78 ...