Abbreviation often used in Isodraft PDMS

By about Aveva PDMS Software | PDMS Tutorial | PDMS Training | Tuesday October 4th, 2016

This page is a abbreviation often used in Isodraft PDMS.

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Symbol Keys

Refer to User Guide ISODRAFT Section 3.2

Each type of component has a two-dimensional symbol which is used to represent it on the isometric drawings. Each symbol is referred to by a text attribute, known as the symbol key (SKEY) attribute, of a DTEXT element.

The overall relationship between a pipe component and its descriptive elements is shown by the following structure:

symbol-keys

symbol-keys

The chapter Symbol Keys of the ISODRAFT Reference Manual contains a complete list of the standard symbols and their associated symbol keys, grouped together by generic type (ELBO, FLAN, PCOM, VALV, etc.).

You can usually select any symbol listed under the relevant generic type. For example, the following symbol keys are valid for a CAP (see Section CAP Symbol Keys of the ISODRAFT Reference Manual):

KABW    KACP    KASC    KASW
If an incorrect SKEY is specified, a default rectangle will be drawn at the corresponding component position.

Note:   It is essential to comply with the p-point configurations for the given symbol. The chapter, Symbol Keys of the ISODRAFT Reference Manual shows the configuration for each symbol.

The SKEY attribute of a DTEXT element is set by using the syntax

SKEY symbolkeytext
where symbolkeytext is the symbol key attribute code enclosed between closing quotes. For example:

SKEY ‘KABW’
The default SKEY symbols should be suitable for most applications. For specialised needs it is possible to redefine existing symbols, or to create new symbols, for some types of component. This is described in the chapter Symbol Keys.

Base Symbol Key ( Base Key / BKEY)

Refer to DRAFT User Guide Section 19.1.2

If a new SKEY is being defined, the BKEY must be set to a standard SKEY. Wildcards can be used, can use the * character as a wildcard to define a symbol for several similar SKEYs. For example:

SKEY ‘VB**’

This illustrates the use of the ** characters to cover all end conditions, i.e. BW (butt weld), CP (compression), SW (socket weld), FL (flanged), SC (screwed) and PL (plain), when defining a new range of SKEYs. This sequence therefore defines the SKEYs VBBW, VBCP, VBSW, VBFL, VBSC and VBPL in a single operation.

Note:   The wildcard option applies only to the definition of SKEYs. You must specify a particular end condition when you set the SKEY attribute of a DTEX element in the Catalogue DB; for example, by setting it to VBBW or VBCP but not to VB**.

2 thoughts on “Abbreviation often used in Isodraft PDMS

  1. Pingback: Create New SKEY for Isometric Drawing in PDMS DRAFT | PDMSid

  2. pranathi

    1.For example,for Skey we will take VCBB n Bkey VC**.
    2.if i want to create new Skey with new name like Skey VZBB,Bkey VZ** will PDMS accept it?
    3. Aveva has supplied some specified keys only those keys we need to use?and what is the difference between Skey and Bkey.

    Reply

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