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  • CPU 31xC and CPU 31x: Technical specifications
    • General technical specifications
      • Standards and certifications
      • Electromagnetic compatibility
      • Transportation and storage conditions for modules
      • Mechanical and climatic environmental conditions for S7-300 operation
      • Specification of dielectric tests, protection class, degree of protection, and rated voltage of S7-300
      • Rated voltages of S7-300
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    Entry type: Manual, Entry ID: 12996906, Entry date: 04/07/2011

    SIMATIC S7-300 CPU 31xC and CPU 31x: Technical specifications

    Document: CPU 31xC and CPU 31x: Technical specifications (03/2011, English)
    Type of topic: Fact

    Standards and certifications

    Introduction

    Contents of general technical specifications:

    • standards and test values satisfied by modules of the S7-300 automation system
    • test criteria of S7-300 modules.

      Note

      Information about the nameplate

      You will find the current identifiers and approvals on the rating plate of the respective product.



    Safety information



    Warning

    Personal injury and damage to property may occur.

    In potentially explosive environments, there is a risk of personal injury and damage to property if you remove S7-300 connectors in runtime.

    In potentially explosive environments, always isolate the S7-300 before you remove any connectors.





    Warning

    Explosion hazard

    If you replace components, compliance with Class I, DIV. 2 could be compromised.





    Warning

    This device is only appropriate for use in Class I, Div. 2, Group A, B, C, D, or in non-hazardous areas.



    Test logos and their meaning

    The section below describes the test logos attached to the module and explains their meaning.

    CE Label

     

    The S7-300 automation system satisfies requirements and safety-related objectives according to EC Directives listed below, and conforms with the harmonized European standards (EN) for programmable controllers announced in the Official Journals of the European Community:

    • 2006/95/EC "Electrical Equipment Designed for Use within Certain Voltage Limits" (Low-Voltage Directive)
    • 2004/108/EC "Electromagnetic Compatibility" (EMC Directive)
    • 94/9/EC "Equipment and protective systems intended for use in potentially explosive atmospheres" (Explosion Protection Directive)

    The EC declaration of conformity is held on file available to competent authorities at:

    Siemens AG
    Industry Sector
    I IA AS R&D DH A
    P.O. Box 1963
    D-92209 Amberg

    These files are also available for download on the Customer Support Internet pages, keyword "Declaration of Conformity".

    UL approval

     

    Underwriters Laboratories Inc., complying with

    • UL 508 (Industrial Control Equipment)

    CSA approval

     

    Canadian Standards Association to

    • C22.2 No. 142 (Process Control Equipment)

    or

    cULus approval

     

    Underwriters Laboratories Inc., complying with

    • UL 508 (Industrial Control Equipment)
    • CSA C22.2 No. 142 (Process Control Equipment)

    or

    cULus HAZ. LOC approval

     

    Underwriters Laboratories Inc., complying with

    • UL 508 (Industrial Control Equipment)
    • CSA C22.2 No. 142 (Process Control Equipment)
    • UL 1604 (Hazardous Location)
    • CSA C22.2 No. 213 (Hazardous Location)

    APPROVED for use in
    Class I, Division 2, Group A, B, C, D Tx;
    Class I, Zone 2, Group IIC Tx

    FM approval

     

    Factory Mutual Research (FM) to
    Approval Standard Class Number 3611, 3600, 3810
    APPROVED for use in Class I, Division 2, Group A, B, C, D Tx;
    Class I, Zone 2, Group IIC Tx

    ATEX approval

     

    In accordance with EN 60079-15 (Electrical Apparatus for Potentially Explosive Atmospheres; Type of Protection "n") and EN 60079-0 (Electrical apparatus for potentially explosive gas atmospheres - Part 0: General Requirements)



    Warning

    Personal injury and damage to property may occur.

    In potentially explosive environments, there is a risk of personal injury and damage to property if you remove S7-300 connectors in runtime.

    In potentially explosive environments, always isolate the S7-300 before you remove any connectors.



    Tick mark for Australia and New Zealand

     

    The S7-300 automation system meets requirements of standards to
    AS/NZS CISPR 16.


    Note

    The UL/CSA or cULus approvals for your product are specified by the identifiers on the rating plate.



    IEC 61131

    The S7-300 automation system satisfies requirements and criteria to
    IEC 61131-2 (Programmable Controllers, Part 2: Equipment requirements and tests).

    Marine approval

    Classification societies:

    • ABS (American Bureau of Shipping)
    • BV (Bureau Veritas)
    • DNV (Det Norske Veritas)
    • GL (Germanischer Lloyd)
    • LRS (Lloyds Register of Shipping)
    • Class NK (Nippon Kaiji Kyokai)

    Use in industrial environments

    SIMATIC products are designed for industrial applications.

    Table: Use in industrial environments

    Field of application

    Noise emission requirements

    Noise immunity requirements

    Industry

    EN 61000-6-4: 2007

    EN 61000-6-2: 2005

    Use in residential areas


    Note

    The S7-300 is intended for use in industrial environments and can cause interference on radio/television reception if operated in residential areas.



    To operate an S7-300 in a residential area, it's RF emission must comply with Limit Value Class B to EN 55011.

    Suitable measures for achieving RF interference level Class B include, for example:

    • S7-300 installation in grounded switch cabinets / cubicles
    • Use of noise filters in the supply lines


     

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