Update and Compare Construction Orders
In complex manufacturing environments, you often need to compare and synchronize similar technical structures without rebuilding them from scratch. The Construction BOM Compare & Update feature lets you compare a source structure with a target structure and then decide how to proceed.
With this feature, you can:
- Detect insertions, deletions, modifications, and movements based on configured fields and hierarchy context.
- Review all changes in a structured dialog with clear visual indicators.
- Apply selected changes to the target while retaining full control over each step, when updates are allowed for the selected target.
The comparison supports:
- BOM structure (Construction Lines and sub-lines).
- Manufacturing data (e.g., dimensions, attributes, quality, tools, personnel, and skill sets).
- Field-level differences based on BOM compare field configuration.
- Recursive comparison for nested Construction Lines (via the Belongs to Entry No. field).
- Movement consolidation: uniquely detectable parent changes are shown as "Move" (instead of "Insert" and "Delete").
- User-confirmed updates for full control.
Comparison can be initiated from several sources and applied to the selected target:
- Master data (Production BOM and Routing / Master BOM)
- Construction Order
- Construction Order Archive
- Document BOM
- Document BOM Archive
- Service BOM
- Service BOM Archive
A common scenario is Construction Order ↔ Construction Order. The same compare mechanism also supports master data → Construction Order, Document BOM ↔ Construction Order/archive combinations, and archive ↔ archive for historical version comparison.
Important
Changes are applied only when the selected target supports updates.
If the selected target is an archive (Document BOM Archive, Construction Order Archive, or Service BOM Archive), comparison runs in compare-only mode. In this mode, no changes are written to the archived document and update actions (such as Apply Changes, Move, Skip Modify, etc.) are not available. When comparing two archived versions, both are in compare-only mode.
The scope and usage model of the Construction BOM Compare & Update feature includes:
- Compare scope: Compares a defined source with a defined target and identifies insertions, deletions, modifications, and move-related changes.
- Recommended practice for growing BOMs: Model structural decisions in master data and adopt them into Construction Orders at defined milestones or batches.
- Move usage: Movement (re‑parenting) is user‑initiated through Auto Move or Move. Only uniquely matchable "Insert"/"Delete" pairs are converted; ambiguous cases remain "Insert"/"Delete" for user decision.
- Out of scope: A generic, rule‑based auto‑adoption engine and fully simultaneous change management across master data and existing Construction Orders.
The following table outlines related tasks, with links to the topics that describe them.
| To | See |
|---|---|
| Configure the fields to be included in the compare and update process. | BOM Compare Field Configuration |
| Learn how the Insert, Delete, Modify, and Move actions are determined and applied during BOM compare and update. | Action Types in BOM Compare |
| Use the Construction BOM Compare & Update feature. | Compare and Update Construction Orders |
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