ISO 1219-2 PDF

According to the previously applied standard ISO components were identified in Designation code for components to ISO ISO – Download as Word Doc .doc), PDF File .pdf), Text File .txt) or read online. Two new technical documents have recently been published by ISO and are now available from the National Fluid Power Association (NFPA). ISO

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Reference identification to ISO and/or EN

Circuit diagram of a pneumatic control system — components identified to ISO oso For pneumatic 12199-2 electric circuit diagrams the designation rules are printed in the standards ISO and EN Unfortunately different designations are used in the two aforementioned standards. Every component with the exception of connecting cables and hoses is identified as in the following figure.

The designation code contains: System designation If several systems and electropneumatic control systems are present in a plant, the system designation must be integrated into the designation code.


All pneumatic components in a control system are identified by the same system number.

The medium code consists of letters. If only one medium isl used, it can be left out. Medium code for fluid-related systems Circuit number All components for supplying energy are preferably identified by the circuit number 0.

Component number Each component in an electropneumatic control system is assigned a component identifier and a component number in the circuit diagram.

Within a circuit, components with the same component identifier are numbered consecutively from bottom 2119-2 top and from left to right.

This mixed identification code is displayed in the following figure. Circuit diagram of an electro-pneumatic control 121-92 — components identified to ISO The identification letters are supposed to be used in conjunction with the rules for forming reference identifiers in accordance with EN Product-related reference identifiers are used below.

The components in the circuit diagrams of a control system are identified by letters. Components with the same identification are numbered consecutively. Sensors and solenoid coils must be represented both in the pneumatic diagram and in the circuit diagram.


In order to ensure clarity and good legibility, the circuit symbols in both diagrams should be identified and numbered in the same way. For this reason, the identification letters of products or the reference identifiers equipment identifiers are being used in circuit diagrams in Festo Didactic documents as per EN The circuit symbols are ios as per ISO Do you have any questions, suggestions or criticism regarding this representation?

If so, please send an e-mail to: EE Mark Randall Lab This task covers D1 Compare three techniques used to construct.