![background image](http://html1.mh-extra.com/html/sick/rfh5-series/rfh5-series_operating-instructions-manual_1264581037.webp)
Range
RSSI
Note
A
RSSI level (transponder) ≥ RSSI
threshold
The transponder is within the recom‐
mended range of the reading field.
B
RSSI threshold (parameterized)
The RSSI threshold can be defined indi‐
vidually (Index: 43h, Sub-Index: 03)
C
RSSI level (transponder) ≤ RSSI
threshold
The transponder is within the maximum
range of the reading field.
D
–
The transponder is outside the reading
field.
1)
RSSI = Received Signal Strength Indication.
Working distance
6
Area B
2
Area A
1
Area C
3
Transponder (Tag)
5
Area D
4
Figure 16: Schematic presentation of the read range of the RFH505 and RFH510 related to RSSI
1
Area A
2
Area B
3
Area C
4
Area D
5
Transponder (tag)
6
Working distance of the transponder
RFH515
The RFH515 cubic device variant has an LED with permanently assigned display function in each of the four
corners at the top of the housing.
Display
LED
Color
Status
POWER
Lights up
Green
•
SIO mode: the device is ready for use.
Flashing (1 Hz)
Green
•
IO-Link mode: the device is ready for use.
Off
–
The device is not ready for use.
Q1 / TAG
Lights up
Yellow
•
IO-Link mode: the transponder is in area A
1)
•
SIO mode: Q1 is active
Flashing (5 Hz)
Yellow
•
IO-Link mode: the transponder is in area C
1)
•
SIO mode: the transponder is in area C
1)
and Q1 is inac‐
tive
Off
–
•
IO-Link mode: the transponder is in area D
1)
Q2 / BUSY
Lights up
Yellow
•
SIO mode: Q2 is active
Flashing (1 Hz)
Yellow
•
IO-Link mode: the device is ready for use
2)
Flashing (5 Hz)
Yellow
•
SIO mode: the transponder is in area C
1)
and Q2 is inac‐
tive
Off
–
•
IO-Link: no outstanding command
OPERATION
8
8025309//2020-12-08 | SICK
O P E R A T I N G I N S T R U C T I O N S | RFH5xx
37
Subject to change without notice