Siemens COMOS User Manual

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(Page 11)
3.5.2 Determining the component geometry of a pipe part
3.5.2.1 Configuring the geometry attributes
Principle
● The base objects from the pipe part catalog are not multiplied out by nominal diameter.
They do not save the true values for the dimensions.
● The pipe part dimensions are determined in the properties of the pipe part.
On the "3D Geometry" tab in the attributes of the following control groups:
– "General Geometric Description"
● Instead of actual dimensions, calculation formulae are input in the attributes in the base
objects. They determine:
– The source from which the pipe part gets its dimensions
– How the actual values are calculated
– What the actual values are
● The calculation formulae are evaluated in the engineering data.
Reason: Some attributes used for calculation are not set until the engineering data stage;
these include the construction angle or the component length for components with variable
lengths.
Consequence:
If you create a pipe part in the engineering data and set the nominal diameter, COMOS
evaluates the calculation formulae of the geometry attributes to determine which geometry
Preparing for creation and maintenance of pipe specs
3.5 Administering pipe part catalogs
PipeSpec Designer
28 Operating Manual, 09/2014, A5E32076948-AA

Siemens COMOS Specifications

General

Manufacturer	Siemens
Description	COMOS is plant engineering software for the process industry. It manages plant projects and documentation. It covers the entire plant lifecycle from engineering and design to operation and maintenance.
Functionality	Plant design and engineering
Integration	Integrates with Siemens TIA Portal, SIMATIC PCS 7, and other third-party systems
Data Management	Centralized data management
Modules	Includes modules for process engineering, electrical engineering, instrumentation, and automation
Collaboration	Supports multi-disciplinary team collaboration with role-based access
Documentation	Automated generation of documentation (e.g., P&IDs, loop diagrams, instrument lists), document management, version control.
Customization	Highly customizable to meet specific project requirements and industry standards. Allows for scripting and API integration.
Industry Standards	ISO, IEC