Siemens SIMATIC RF600 System Manual page 169

Parameter name
Operating mode
Power
Antenna gain
Cable loss
1. Upload the configured values to the reader by clicking the "Send to reader" button.
SIMATIC RF600
System Manual, 10/2009, J31069-D0171-U001-A8-7618
6.2 Guidelines for selecting RFID UHF antennas
Description
Only Tx
•
Only Rx
•
Tx/Rx
•
Using the drop-down list "Operating mode", you can
select whether the antenna is to only transmit (Tx), only
receive (Rx) or alternately send and receive (Tx/Rx).
The maximum radiated power is defined through
selection of the corresponding country and radio profile
in the welcome screen form.
The radiated power can be reduced if necessary.
The antenna gain must be entered referred to the
isotropic radiator (specified in "dBi").
Software version 1.18 does not permit values <
•
4.0 dBi to be entered. Only a configuration using
XML commands is possible in this case. See
Section .
Enter the cable loss as described in Section Antenna
cable loss (Page 166) .
If you enter a value < 1 dB, the value is automatically
reset to a realistic value.
Antennas
169