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1
About this documentation
1.1
Symbols and notes
The safety notices in this documentation are designed
according to the severity of the danger.
Imminent risk to life!
Notes with the signal word "Danger" warn
you of situations which will result in serious
injury or death if you do not follow the in-
structions given in this manual.
Possible danger to life!
Notes with the signal word "Warning" warn
you of situations which may result in serious
injury or death if you do not follow the in-
structions given in this manual.
Risk of injury!
Notes with the signal word "Caution" warn
you of situations which may result in injury
if you do not follow the instructions given in
this manual.
ATTENTION
Material damage!
Notes with the signal word "Attention" warn you of hazards
which may result in material damage.
Text next to this arrow are notes which are not rel-
evant to safety, but provide important information
about proper and effective work procedures.
2604080000/08/08.2023
DANGER
WARNING
CAUTION
The situation-dependent safety notices may contain the fol-
lowing warning symbols:
Symbol
Meaning
Warning against hazardous electrical
voltage
Warning against explosive atmospheres
Warning against electrostatically charged
components
Warning against automatic startups
Instruction: observe the documentation
▶ All instructions can be identified by the black triangle
next to the text.
– Lists are marked with a tick.
1.2
Complete documentation
– When using I/O modules, please also observe
the Remote-I/O-System u-remote Manual.
– When using safe I/O modules or safe feed-in
modules, please also observe the Modules
for Functional Safety Manual.
– The u-create web and u-OS engineering tools
contain an integrated online help.
All documents are available to download from the
Weidmüller website.
Manual u-control
1 About this documentation | Symbols and notes
3
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