KKS CODE SIEMENS PDF

Format of Code. Types of Code and Breakdown Levels. In consideration of the various requirements placed on the identification of plants, sections of plants and . Assignment of System Codes to Mechanical Equipment and Measuring Circuits. .. Brüter – Kernkraftwerkgesellschaft mbH • Siemens AG, Corporate Groups E. The Siemens Kraftwerk-Kennzeichen-System (KKS), abridged version, stations , KKS has three different types of code: Process-related code Process-related.

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Main machine sets common to L. However the following principles apply: Further applications are subject to agreement between the parties to the project.

G — Water supply and disposal Equipment Unit Code Equipment Unit Code consists of two letters, three digits and sometimes one additional letter data siiemens A3 which can be omitted. Mechanical Supports Supports may be identified using the system code or the structure code.

A Grid and distribution systems B Power transmission and auxiliary power supply C Instrumentation and control equipment D Instrumentation and control equipment for use only when function codes CM to CT are insufficient for the identification of system combinations The subdivisions in F2 and F3, are given in the applicable Function Key. It is a common practice to apply a grouping numbering of equipment units: Contents of Data Characters I – 3.

System isolation valves for measuring circuits are identified on the level of the equipment unit code by the classifying letters AA.

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APPENDIX I: KKS SYSTEM

Assignment of System Codes to Mechanical Equipment and Measuring Circuits Equipment units are identified according to the system within the interfaces of which they are located. Rules on the Keys Installation Space Code Serial no.

These three types of code use the same identification scheme, which is subdivided into four breakdown levels. General Notes Siemenss – 5. If the letters available are insufficient, FN may be used. In this application, however, a suitable identifier such as a prefixed Y should be used to indicate that a software coding unit is concerned, thus to rule out confusion with process-related codes. This code unit can be combined with any breakdown level as necessary for identification.

Structure-related identification is expedient where different systems are held by shared supports.

Coxe this type of code, the breakdown level 2 contains equipment unit code. EZ Protection For example: If this is not the case, all floor numbering codes of the total plant must be written uniformly with three data characters in AN.

Special structures, ducting structures are designated in main group F1 with coding letter U and in subgroup F3 with following coding letters: System numbering must consist of two digits.

Junction Boxes On breakdown level 1, junction boxes receive the code of the structure and floor on which they are installed.

Generally valid rules on the use of FN numbering are not expedient. Process-Related Identification Coe identification of systems and items of equipment according to their function in mechanical, civil, electrical and control and instrumentation engineering. Format of Breakdown Levels The code is made up of breakdown levels. For example maximum of a few direct measured variables: The alphabetical symbols of this breakdown level are used to classify and divide the overall plant into subsystems, systems or building structures.

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APPENDIX I: KKS SYSTEM

Subsequent isolation and pressure equalization valves in the measuring circuit are components of the measuring circuit and therefore classified as KA. Increased unit sizes, higher rates of automation and further developments in power-plant technology, coupled with the demands made on classification systematics by power plant operators, all called for a uniform and total solution of the classification problem. D — Control systems Equipment unit classification Serial no. When creating in DCS systems secondary variables of the same technical installation that differs with counting sign for breakdown level 2, the same rules are to apply as for this variables created from the same installation.

The direction of numbering is vertical from the lowermost floor upwards. Where signals or measured data are used to limit or suppress the original measured data, the processed output signals retain the code of the original measured data.