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F F unctions of the "PRE" LED (RF610R/RF615R/RF650R)
SIMATIC RF600
System Manual, 06/2019, J31069-D0171-U001-A22-7618
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 RF610R/RF615R readers, errors are displayed by means of a red flashing
"PRE" LED.
9.1 Diagnostics via the LED displays of the reader
System diagnostics
469
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