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Connecting an antenna to the reader
The SIMATIC RF642A antenna must be connected to the reader using an antenna cable.
Preassembled standard cables (Page 2) in lengths of 3 m, 10 m, and 20 m are available for the connection.
The range of the antenna is limited by the cable loss. The maximum range can be achieved with the cable 6GT2815-0BH30
(length 3 m), since this has the lowest cable loss.
Requirement
Note
Use of Siemens antenna cable
To ensure optimum functioning of the antenna, it is recommended that a Siemens antenna cable be used in accordance with
the list of accessories.
Strain relief
The antenna cable is provided with strain relief as shown in the following diagram:
①
RF642A antenna connection (30 cm connecting cable)
②
RF600 antenna cable
③
Strain relief (should take place at this position)
Figure 1
Strain relief
Bending radii of the cables
Cable designation
RF642A antenna
connection
Antenna cable
Antenna cable
Antenna cable
Antenna cable
SIMATIC RF642A
J31069-D0226-U001-A2-7618, 12/2010
Order No.
Fixed connection to
antenna
6GT2815-0BH30
6GT2815-1BN10
6GT2815-0BN10
6GT2815-0BN20
Length [m]
Cable loss [dB]
0,3
-
3
1
10
2
10
4
20
4
Bending radius [mm]
-
51
77
51
77
3
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