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S a f e t y
PAG E 1 0
1.3
Appearance of the safety instructions
All safety instructions include a signal word that classifies the danger and a
text block that contains descriptions of the type and cause of the danger, the
consequences of ignoring the safety instruction and the measures that can be
taken to minimise the danger. In some safety instructions, a warning symbol
is placed underneath the signal word (see also CHAPTER 1.3.2):
Signal Word
Type and cause of danger
Possible consequences of ignoring the safety instruction
Measures to minimise the danger
1.3.1
Classification of safety instructions
There are five classes of safety instructions: "Danger", "Warning", "Caution",
"Notice" and "Important". The classification is shown in the following table.
TAB. 1
SIGNAL WORDS AND THE RESULTS OF IGNORING THE SAFETY INSTRUCTIONS
Result
Death
Signal word
c
DANGER
WARNING
CAUTION
NOTICE
IMPORTANT
a
Damage to product or product environment
b
Considerable impairment to operation
c
This danger class is not required for this system
The signal word "Note" is also used in this Hardware Description. Text pas-
sages marked in this way do not describe a danger, but rather contain remind-
ers, tips and general information to ensure optimum operation of the system.
1.3.2
Symbols
The following warning symbols are used:
TAB. 2
Symbol
!
i
Serious
Minor
injury
injury
WARNING SYMBOLS
Meaning
General warning about a danger
Warning about a dangerous electrical voltage
Remark, Tip
b
Material
Fault
a
damage
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