Siemens COMOS User Manual

formula "CatPC". In this case, the pipe spec element uses the local dimensions of the pipe
spec and the table is purely informational in character.
Note
● Do not configure the table until you have finished defining the nominal diameter range on
the "PipeSpec limits" tab.
Reason: Clicking on the "Update NDs" button to forward new values can mix up the
assignment between nominal diameters and other parameters.
● Do not configure the "Nominal diameter" row manually.
Reason: The "Nominal diameter" row must always show the nominal diameter range
defined on the "Application limits" tab.
When you click the "Update NDs" button on the "Application limits" tab, the current nominal
diameter range is written to the characteristic-dependent table. This can mix up the
assignment between nominal diameters and the other characteristics.
Requirement
●
Observing the workflow for configuration of pipe specs. See also chapter Overview for
configuring pipe specs (Page 79).
● You have opened the "Characteristics" tab.
Procedure
Enter the characteristics depending on the nominal diameter.
You have two options when configuring the "Outside diameter" and "Wall thickness" rows:
● Take the values from a geometry table. To do this, set a reference to a geometry table on
the "Application limits" tab and specify a row.
● Enter the outer diameter for the pipe spec members manually.
When you set a reference to a geometry table in the "Application limits" tab and specify a
row, your entries are overwritten.
Table parameters
Column name Function
"Nominal size"
● The nominal diameter range of the pipe spec
●
Do not set manually
"Outside diameter" Is evaluated if a pipe spec element gets the outer diameter via the "CatPC"
formula
"Thickness" Same as "Outside diameter"
"Calculated wall thick‐
ness"
Calculated by PROBAD in the case of a connection to PROBAD
"Minimum wall thickness" For COMOS Inspection
"Corrosion allowance" For the nominal wall thickness
"Minimum length" For constructing with COMOS Isometrics.
Configuring pipe specs
8.3 Configuring the "Characteristics" tab
PipeSpec Designer
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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