
Chapter
1
Operating Instructions
UE 440/470
8
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
8 010 432/P097/14-03-05
About this document
1.6
Symbols used
Recommendations are designed to give you some assistance in your decision-making
process with respect to a certain function or a technical measure.
Notes provide special information on the device.
Display indicators show the status of the 7-segment display:
/
Constant display of characters, e.g. 8
Flashing display of characters, e.g. 8
2
O
*
Changing display of characters, e.g. A and 3
LED symbols describe the state of a diagnostics LED. Examples:
,
The LED is illuminated constantly.
+
The LED is flashing.
-
The LED is off.
Instructions for taking action are shown by an arrow. Read carefully and follow the
instructions for action.
Warning!
A warning indicates concrete or potential dangers. They save you from harm.
Read warnings carefully and abide by them!
Software notes show the location in the CDS (Configuration & Diagnostic Software) where
you can make the appropriate settings and adjustments.
The term "dangerous state"
In the figures in this document, the dangerous state of the machine is always represented
as a movement of a machine part. In practical operation, there may be a number of
different dangerous states, e.g.:
$
Machine movements
$
Electrical conductors
$
Visible or invisible radiation
$
A combination of several risks and hazards
Recommendation
Note
/
,
,
2
O
*
,
,
+
,
-
Take action …
%
ATTENTION
!