8
Operation
8.1
Operating and status indicators
8.1.1
Optical status indicators on the display panel
R
e
a
d
y
L
N
K
T
X
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ro
S
D
R
F
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AN
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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
76
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
