
Operating Instructions
Chapter
3
UE 440/470
8 010 432/P097/14-03-05
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
15
Product description
$
ESPE e.g.:
–
S 3000 safety laser scanner
–
PLS safety laser scanner
–
C 4000 safety light curtain
–
FGS safety light curtain
–
C 2000 safety light grid
–
M 2000 or MSL multi-beam safety light barriers
$
Signal lamps e.g.:
–
for "Waiting for PSDI interruption"
–
for "Reset required"
3.3
Display elements
3.3.1
LEDs and 7-segment display
The LEDs and 7-segment display indicate the operational status of the UE 440/470. They
are found on the front of the safety controller.
The LEDs are grouped into two blocks. The left block indicates the conditions of outputs
02.0 and 02.1, and the right block deals with outputs 02.2 and 02.3. If the dual channel
outputs are used as OSSDs, they have the following meaning:
Display
Meaning
,
red
OSSD (02.0 AND 02.1) switched off
,
green
OSSD (02.0 AND 02.1) switched on
+
yellow
Reset of the application configured above in the CDS required
Display
Meaning
,
red
OSSD (02.2 AND 02.3) switched off
,
green
OSSD (02.2 AND 02.3) switched on
+
yellow
Reset of the application configured below in the CDS required
Fig. 3: Status indicators of
the UE 440/470
Tab. 3: Meaning of the LEDs
of the left block (A)
Tab. 4: Meaning of the LEDs
of the right block (B)
(O2.0, O2.1)
(O2.2, O2.3)
7-segment display