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4 4 .3.5
Reciprocal influence of read points
Antenna alignment and resulting antenna spacing
The minimum distance required between antennas that use the same frequency and that are
connected to different readers depends on the maximum transmit power set and the antenna
alignment. The following minimum distances apply with maximum transmit power.
A
B
C
Figure 4-8
Table 4- 1
Antenna alignment and minimum antenna spacing
Antenna
Antenna alignment
c c onfiguration
A
Back to back
B
Pointing at each other
C
Next to each other
A
Back to back
B
Pointing at each other
C
Next to each other
SIMATIC RF600
System Manual, 06/2019, J31069-D0171-U001-A22-7618
Back to back
Pointing at each other
Next to each other
Antenna spacing for different readers/antennas and identical frequencies
RF610R/RF615R
w w ith internal antenna
RF600 reader
w w ith RF640A/RF642A
Minimum distance (D)
with internal antenna
1.0 m
2.0 m
1.0 m
RF600 reader
w w ith RF650A/RF680A
1.0 m
2.0 m
2.0 m
RF600 system planning
4.3 Antenna configurations
RF F 685R
RF600 reader
w w ith RF615A/RF620A
0.3 m
2.0 m
0.5 m
RF600 reade e r
0.3 m
2.0 m
0.5 m
1.0 m
2.0 m
1.0 m
with RF660A
0.5 m
2.0 m
0.8 m
47
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