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Weight and Balance Management ─ Deployment and Administration

Define center of gravity and inertia types for an assembly

As an administrator, you can create custom balance properties. The WNB0_CG_INERTIA_Source preference controls the custom properties. These custom properties must be a subset of Wnb0MethodTypeValues. The precedence for these properties is controlled by the WNB0_MassMaturitySequence preference, which also controls the precedence for mass properties.

This preference defines the Center of Gravity (CG) and inertia types for an assembly. BOM line properties for Center of Mass (CoM), Moment of Inertia (MoI), and Product of Inertia (PoI) are added based on these preference values.

If the values for the CAD-driven properties in the WNB0_CG_INERTIA_Source preference are changed, these changes are not reflected in the template. The template shows the Asserted column with its internal name and no data. For such cases, either you or the user must create (or update) an Excel export template with the required properties.

Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.xid2304664/xid2307661 · retrieved 2026-07-11