Siemens SIMATIC ET 200S - Page 603

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Use of subassemblies/modules 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 Explosion Hazard Example
2 Explosive gas atmosphere
occurs only seldom and for a
short time
Areas around flange joints with flat
gaskets in pipes in enclosed spaces
Safe area No
• Outside zone 2
• Standard distributed I/O applications
Below you will find important information on the installation of the
subassemblies/modules in a hazardous area.
Further Information
You will find further information on the subassemblies/modules in the
corresponding manual.
Production Location / Certification
II 3 G EEx nA II T3 .. T6 to EN 50021 : 1999
Test number: see table below
Production Location Subassemblies/Modules Test Number
ET-200S
ET 200S fault-tolerant modules
KEMA 01
ATEX 1238X
Siemens AG, Bereich A&D
Werner-von-Siemens-Straße 50
92224 Amberg
Germany
S7-300
ET-200M
DP/PA bus interface
Diagnostics repeater
S7-300 fault-tolerant modules
KEMA 02
ATEX 1096X
S7-400 KEMA 03
ATEX 1125X
S7-300 CP
TS Adapter II
KEMA 03
ATEX 1228X
Siemens AG, Bereich A&D
Östliche Rheinbrückenstr. 50
76187 Karlsruhe
Germany
SIMATIC NET KEMA 03
ATEX 1226X
Note
Subassemblies/modules with II 3 G EEx nA II T3 .. T6 certification can only be
used in SIMATIC systems rated as category 3 equipment.
Product Information on the Use of subassemblies/modules in a Zone 2 Hazardous Area 5
A5E00352937-02