Installation Manual Part 2

Installation manual Reader 65
Modications, misprints and errors excepted
English
6. Operating the reader
6.6.1.2. Antenna multiplex conguration
6.6.1.3. RF settings
6.6.1.4. Selektionsparameter
The sequence in which the antennas are used to read the tag can be set under this header. If this antenna is not
activated, the system proceeds to the next entry on the multiplex list. For asynchronous operation of the reader,
the exposure time on the antenna can also be specied. See section ((B)) „congurational manual reader“,
sections MultiplexingAntennaport and MultiplexingExposureTime for more details.
Depending on the approval region, the reader transmits in the frequency range 865 MHz to 868 MHz for Europe or
902 MHz to 928 MHz for USA / Canada.
In Europe the number of channels to be used can be limited. For this purpose the related check box
for each channel the reader is to use must be selected on the Available channels list. In this manner
it is possible to avoid from the start the usage of specic channels on which there is interference.
Each read command connects the channels under country-specic conditions and in accordance with the selected
communications standard. The reader then starts to search through the channels in ascending order.
In the Communication standard drop-down menu, when necessary and when permitted by the reader, the reader can
be switched to a different country-specic communications standard.The device version governs the communications
standards that are permitted.
The modulation type can be switched between double sideband and PR-ASK modulation in this drop-down menu.
The communications prole is critical for the data rate and the read reliability. This option allows the technician to
directly inuence the performance of the reader and the spectrum of the signal. The prole names contain basic
orientation on the transmission and reception data rates.
Note
A special data rate may be necessary, depending on the tag used. Please contact Kathrein (r[e-mail]) for
further details.
The “Time until carrier stand-by” parameter species how long the carrier of the reader remains active on the air
interface after the last action. Once this time has elapsed the carrier is switched off.
Under this heading the user can congure the singularisation of the tags to the EPC standard ((E)). The parameters
can be selected in the drop-down menu, and have the following meanings:
1 Initial Q value – reects the number of tags expected in the eld. (see ((B)) capital2.4.2. “InitialQ”)
2 Sel – species whether other parameters are of interest for an inventory of the tag population, or not. (see ((B))
capital 2.4.10. “QuerySel”)
3 Sessions - this conguration parameter instructs the reader the session with which it should work. (see ((B))
capital 2.4.3. “Sessions”)
4 Target – species which tags in the population should participate in the inventory. (see ((B)) capital 2.4.9.
“QueryTarget”)