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8.4.2
Use of the Diagnostic Repeater in a Zone 2 Hazardous Area
Zone 2
Hazardous areas are divided up into zones. The zones are distinguished according to the
probability of the existence of an explosive atmosphere.
Zone
2
Safe area
Below you will find important information on the installation of the diagnostic repeater in a
hazardous area.
Further Information
You will find further information on the diagnostic repeater and the various components in
the manual.
Production Location
Siemens AG, Bereich A&D
Werner-von-Siemens-Straße 50
92224 Amberg
Germany
Certification
II 3 G
Test number:
Note
Modules with
SIMATIC S7-300/ET 200M automation systems belonging to equipment category 3.
8-14
Explosion Hazard
Explosive gas atmosphere
occurs only seldom and for a
short time
No
EEx nA II T4
KEMA 02ATEX1096 X
II 3 G EEx nA II T3 .. T6 certification can only be used in
Example
Areas around flange joints with flat gaskets
in pipes in enclosed spaces
Outside zone 2
•
Standard distributed I/O
•
applications
to EN 50021 : 1999
Répéteur de diagnostic pour PROFIBUS-DP
A5E00103901-02
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