System diagnostics
9.1 Diagnostics via the LED displays of the reader
SIMATIC RF600
452 System Manual, 11/2018, J31069-D0171-U001-A21-7618
• RECEIVE/TRANSMIT 2
(R/T2)
- only with
RF680R/RF685R
Indicates that data is being sent and/or received via Ethernet
interface "2".
Figure 9-1 LED displays of the RF61xR, RF650R and RF68xR readers
Functions of the "PRE" LED (RF615R/RF650R)
● Display of RF activity
Indicates whether the reader is sending via the antenna (constant green), whether
transponders were detected by the reader (flashing yellow) and whether a transponder
was sent to the user application (constant yellow).
● Indication of the quality of the antenna alignment (RSSI)
When aligning the antenna using the WBM, the "PRE" LED indicates the RSSI value with
which the transponder was detected:
– Red: Low RSSI value
– Yellow: Medium RSSI value
– Green: High RSSI value
● Error displays
With the RF615R reader, errors are displayed by means of a red flashing "PRE" LED.
Functions of the LED status bar (RF680R/RF685R)
With the LED operating display, you can read out the various operating statuses of the
readers. The LED status display of the RF680R and RF685R readers has several functions.
Among other things, the status display provides the following functions:
● Startup of the reader
The startup process of the reader is displayed by a status bar lit yellow. As soon as the
startup is completed, the reader requires several seconds before it is operational. This
phase is indicated by a status bar flashing yellow. During a firmware update, the startup
takes longer.
The reader is ready for operation when the "R/S" LED is lit/flashes green. If the "R/S"
LED is flashing, the reader is waiting for a connection. If the "R/S" LED is lit constantly,
the reader is connected to the controller or PC.
● Error display
If there is an error, the actual error is indicated by the lighting/flashing pattern. The "ER"
LED of the LED operating display also flashes. You will find more information on error
messages in the section "XML/PLC error messages (Page 456)".
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