2
Status LED Q
1
(orange)
3
Status LED Q
2
/ Q
A
(orange)
Table 3: Meaning of the indicator lights
Display
Condition
Meaning
Status indicator (1)
Power supply available, sensor ready
for use
Power supply not available
Power supply available, sensor ready
for use, connection to an IO-Link
master available
Output display Q
1
(2)
Switching output active
Switching output not active
Output display Q
2
/Q
A
(3)
Switching output active or measured
value within the scaling range for the
analog output
Switching output not active or meas‐
ured value outside the scaling range
for the analog output
Output displays Q
1
(2) and
Q
2
/Q
A
(3)
simultaneously
Teach-in operation is carried out
5 seconds in alter‐
nation
Teach-in operation has failed
Permanently in
alternation
There is a fault
Does not light up
Flashing
Permanently on
6.2.2
Display
The display with keyboard can be used to call up measurement data and diagnostic
data as well as to modify device parameters. The display is on the top side of the
sensor. After the sensor is switched on it is in RUN mode. Pressing the
pushbutton
switches between the following display values:
Table 4: Displays in
RUN
mode
Display
Symbol in front
of the display
value
Meaning
Distance
Measured distance in millimeters or “NoDist”/“Max”/“Min”,
if a valid measurement is not possible
Signal level
SL
Absolute value (level) of the received measurement signal,
Signal quality SQ
Signal quality in the form of a percentage (stability of the
measurement,
)
Temperature
+/-
Temperature within the sensor in °C.
6
OPERATION
18
O P E R A T I N G I N S T R U C T I O N S | DT50-2 Pro
8017154/1AVV/2021-03-24 | SICK
Subject to change without notice
