Configuring with the WBM
7.3 The menu items of the WBM
SIMATIC RF600
82 Configuration Manual, 11/2018, C79000-G8976-C386-07
In this area, you can select the antenna whose alignment needs to be optimized. With the
"Start/Stop adjustment" buttons (
/ ), you can control the measurement of the RSSI
values.
By clicking the
button, a new measurement is started. Cyclic reads are performed on the
selected antenna and the measured values obtained are displayed. Any existing measured
values from a previous measurement are deleted. By clicking the
button, the
measurement is stopped.
After you have started measuring the RSSI values, all the transponders identified by the
reader are listed in the table. Select the "EPC-ID in ASCII format" check box to display the
EPC-IDs of the transponders in ASCII code.
Table 7- 21 Displayed properties of the recognized transponders
ID of the identified transponder
RSSI Last measured RSSI value of the transponder
RSSI min. Minimum RSSI value of the transponder. Calculated over all successful inven-
RSSI max. Maximum RSSI value of the transponder. Calculated over all successful inven-
Number of inventory replies (scans) of this transponder.
Time stamp when the transponder was identified the first time.
You can select the transponders individually in the table. The selected transponder is
highlighted in color and its measured values shown in the "RSSI display" area.
If the By clicking the "Apply" button, you transfer the value entered in the field to the
"Radiated power" input box of the "Settings - Read points" menu item. This change is
transferred directly to the reader. To store this change on the reader so that it is safe against
failure, you need to click the "Transfer configuration to reader" button.
This area shows the measured RSSI values of the selected transponder. The bar chart
shows the maximum measured and the current or last measured RSSI value of the
transponder. The current RSSI value of the selected transponder is also displayed as a
numeric value. Using the arrow symbols, you can expand or reduce the window for the
numeric RSSI value. This allows you to read the current RSSI value even from greater
distances so that you can find the optimum alignment for the highest RSSI value quickly and
simply by varying the antenna position.
The RSSI value is also displayed by the status LEDs of the RF680R/RF685R readers and by
the "PRE" LED of the RF615R/RF650R readers. Low RSSI values are shown in red, medium
RSSI values in yellow and high RSSI values in green.
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