Explosion Protection - Siemens SIMATIC ET 200SP HA System Manual

Use in the industrial environment
SIMATIC products are designed for use in industry.
Area of applica‐
tion
Industry
Use in residential areas
Note
The distributed I/O system is intended for use in industrial environments; when used in
residential areas, it can affect radio/television reception.
If you use the distributed I/O system in residential areas, you must ensure that the emission of
radio interference complies with EN / IEC 61000‑6‑3.
Suitable measures for achieving RF interference level Class B include, for example:
• Installation of the ET 200SP HA distributed I/O system in grounded control cabinets/boxes
• Use of filters in the supply lines
11.1.3

Explosion protection

Certification
The approved Ex I/O modules may be installed in the following areas in compliance with the
specific conditions of use:
• In the safe area
• In Zone 2 (category 3G)
The certificates of conformity and the explanations of the designations can be found on the
Internet
US).
ATEX Approval
Table 11-1
Type Examination Certificate Number
Standards
Marking for Ex-PM-E
Marking for Ex I/O modules
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA
Interference emission requirements Interference immunity requirements
EN / IEC 61000-6-4
(https://support.industry.siemens.com/cs/products?dtp=Certificate&mfn=ps&lc=en-
Certification according to the following standards:
Technical specifications
11.1 Standards and approvals
EN / IEC 61000-6-2
Several certificates
EN 60079-0
EN 60079-7
EN 60079-11
II 3 G (1) Ex ec [ia] IIC T4 Gc
II 3 G (1) G Ex ec [ia Ga] IIC T4 Gc
II 3 G (1) D Ex ec [ia IIIC Da] IIC T4 Gc
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