SICK RFU62 Series

8 Operation
8.1 Operating and status indicators
8.1.1 Optical status indicators on the display panel
Ready
LNK TX
microSD
RF CAN Data Result
Table 17: RFU63x/RFU65x: Function of the status indicators
Display LED Color Status
Ready Flashing Yellow Flash frequency 1 Hz.
The device is not ready for use:
Interior temperature of the device below –25 °C (–30 °C ).
Flashing Green Flash frequency 1 Hz.
The device is in the warm-up phase and is not yet opera‐
tional.
For ambient temperatures below –20 °C:
Interior temperature of the device between –30 °C and
–20 °C.
After an approx. 2 min warm-up phase, the device starts
regular operation.
Lights up Green Device ready
Lights up Red Hardware fault
Flashing Green PROFINET operation (single port):
LEDs flash cyclically 4 x red, 1 x green: Trying to establish
a connection to a PLC (I/O controller) or loss of connection
during operation.
Flashing Red
Result Lights up Green Read or write successful
RF Lights up Green UHF field activated
Lights up Red RFU63x:
External antenna(s) faulty. Possible causes:
All antennas deactivated, or reflected, received power too
high.
When additional external antenna(s) used: Activated in the
device, but not connected or cable defective.
RFU65x:
Internal antenna or HF part faulty. Error, for example
reflected, received power too high.
Data Lights up Green Data output via host interface
CAN Lights up Yellow Data traffic via CAN bus (CAN RX)
LNK TX Lights up Green Data traffic via Ethernet
8 OPERATION
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O P E R A T I N G I N S T R U C T I O N S | RFU63x, RFU65x 8014335/ZTL9/2018-10-14 | SICK
Subject to change without notice