Siemens Simatic ET 200S Operating Instructions Manual page 337

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
2
Safe area
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
Test number: see table below
Production Location
Siemens AG, Bereich A&D
Werner-von-Siemens-Straße 50
92224 Amberg
Germany
Siemens AG, Bereich A&D
Östliche Rheinbrückenstr. 50
76187 Karlsruhe
Germany
Note
Subassemblies/modules with
used in SIMATIC systems rated as category 3 equipment.
Product Information on the Use of subassemblies/modules in a Zone 2 Hazardous Area
A5E00352937-02
English
Explosion Hazard
Explosive gas atmosphere
occurs only seldom and for a
short time
No
EEx nA II T3 .. T6
ET-200S
ET 200S fault-tolerant modules
S7-300
ET-200M
DP/PA bus interface
Diagnostics repeater
S7-300 fault-tolerant modules
S7-400
S7-300 CP
TS Adapter II
SIMATIC NET
II 3 G EEx nA II T3 .. T6 certification can only be
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
Subassemblies/Modules Test Number
KEMA 01
ATEX 1238X
KEMA 02
ATEX 1096X
KEMA 03
ATEX 1125X
KEMA 03
ATEX 1228X
KEMA 03
ATEX 1226X
5