Preface

Note

There you can obtain the descriptions of all current modules. For new modules, or modules of a more recent version, we reserve the right to include a Product Information containing latest information.

Approvals

The SIMATIC S7-300 product series has the following approvals:

Underwriters Laboratories, Inc.: UL 508 (Industrial Control Equipment)

Canadian Standards Association: CSA C22.2 No. 142, (Process Control Equipment)

Factory Mutual Research: Approval Standard Class Number 3611

CE label

The SIMATIC S7-300 product series satisfies the requirements and safety specifications of the following

EC Directives:

EC Directive 73/23/EEC "Low-voltage directive"

EC Directive 89/336/EEC "EMC directive"

C tick mark

The SIMATIC S7-300 product series is compliant with AS/NZS 2064 (Australia).

Standards

The SIMATIC S7-300 product series is compliant with IEC 61131-2.

iv

CPU 31xC and CPU 31x, Technical data

Manual, Edition 08/2004, A5E00105475-05

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Siemens appendix Approvals, CE label, Tick mark, Standards, Simatic S7-300 product series is compliant with IEC