PCS 7和WinCC的系统安全概念-基本文档

1.4
Employed products ........................................................................................................................7
2 Aim of the security concept........................................................................................................................ 9
3 References .............................................................................................................................................. 11
Disclaimer of Liability
We have checked the content of this manual for agreement with the hardware and software described. Since deviations cannot be precluded entirely, we cannot guarantee full agreement. The information in this manual is reviewed regularly and any necessary corrections will be included in subsequent editions.
Correct Usage
Note the following:
WARNING The equipment may only be used for the applications described in the catalog and the technical description, and only in conjunction with equipment or components from other manufacturers which have been approved or recommended by Siemens. This product can only function correctly and safely if it is transported, stored, assembled, and installed correctly, and operated and maintained as recommended.
Defense in depth..........................................................................................................................25
5.2
Division into security cells ............................................................................................................28
Qualified Personnel
The equipment/system to which this documentation applies must always be set up and operated in accordance with this manual. Commissioning and operation of a device/system may only be performed by qualified personnel. Qualified personnel, as used in the safety-related information in this documentation, is defined as persons who are authorized to commission, to ground, and to tag equipment, systems and circuits in accordance with established safety practices and standards.
4 Definitions................................................................................................................................................ 13
1.1
Validity............................................................................................................................................5
Trademarks
All product names marked with the ® copyright symbol are trademarks of Siemens AG. Other product names in this document may be trademarks and third parties using these names for their own purposes may infringe upon the rights of the trademark owners.
Preface
1
Aim of the security concept
2
SIMATIC
References
3
Definitions
4
Security concept
Strategies of the security
PCS 7 and WinCC - Basic docContents
1 Preface ...................................................................................................................................................... 5
1.2
Structure and organization of the document..................................................................................5
1.3
Required knowledge ......................................................................................................................6
Siemens AG Automation and Drives P.O. Box 48 48 90327 NUREMBERG GERMANY
Document order number: A5E02128732-01 Ⓟ 04/2008
Copyright © Siemens AG 2008. Modifications reserved
NOTICE indicates that an unwanted result or state may occur if the relevant instruction is not observed.
If several hazard levels are applicable, the warning notice corresponding to the highest level is always used. If a warning notice with a warning triangle relates to the risk of personal injury, a warning relating to material damage may also be added to that same warning notice.
DANGER indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING indicates that death or severe personal injury may result if proper precautions are not taken.
5 Strategies of the security concept............................................................................................................ 23
5.1
4.1
Designations, terms and abbreviations........................................................................................13
4.2
Name conventions in figures and examples ................................................................................20
CAUTION with a warning triangle indicates that minor personal injury may result if proper precautions are not taken.
CAUTION without a warning triangle indicates that property damage may result if proper precautions are not taken.
Implementing the security
strategies in security
6
solutions
Appendix
7
04/2008
A5E02128732-01
Safety instructions
This manual contains instructions intended to ensure personal safety, as well as to protect equipment against damage. Instructions relating to your personal safety are indicated by a warning triangle, which does not appear with instructions solely relating to material damage. Warning notices appear as shown below, in descending order of hazard priority.