Explanation of the Symbols
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161936 / 941160310020
2015-09-15·BA00·III·en·08
Zone 1 Ex e field device coupler
Series 9411/11
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2
Explanation of the Symbols
2.1
Symbols in these Operating Instructions
2.2
Warning Notes
Warnings must be observed under all circumstances, in order to minimize the risk due to
construction and operation. The warning notes have the following structure:
• Signalling word: DANGER, WARNING, CAUTION, NOTICE
• Type and source of danger/damage
• Consequences of danger
• Taking countermeasures to avoid the danger or damage
Symbol
Meaning
Tips and recommendations on the use of the device
Danger due to explosive atmosphere
Danger due to live components
DANGER
Danger to persons
Non-compliance with the instruction results in severe or fatal injuries to
persons.
WARNING
Danger to persons
Non-compliance with the instruction can result in severe or fatal injuries
to persons.
CAUTION
Danger to persons
Non-compliance with the instruction can result in light injuries to
persons.
NOTICE
Avoiding material damage
Non-compliance with the instruction can result in material damage to the device
and / or its environment.
