Routed Systems Design

Routed Systems Design.
Connect the logic. Resolve the route.

Bring electrical and fluid connections into the mechanical product. Connect schematic intent, 3D routing, electrical-separation review and harness documentation within a deliberate Creo workflow.

The connection is only the beginning

Understand the connections.
Design the route in context.

Routed systems design connects the intended electrical or fluid circuit to the space available in a product. In Creo, related tools support the logical definition, the physical cable or pipe route, electrical-separation analysis and the harness manufacturing deliverable.

These are connected engineering tasks, with different inputs and outputs. A schematic describes what should connect; the assembly determines where it can go. The team still needs to review route assumptions, changes and manufacturing requirements before releasing the result.

Cabling routed inside a mechanical assembly in PTC’s PCX datasheet.
Cabling in a mechanical assembly, pictured in PTC’s 2024 PCX datasheet. Source imagery illustrates the documented workflow rather than a current interface guarantee.
SchematicsDefine the connections
Capture the logical relationships and properties that the routing designer needs.
PCXResolve the physical route
Develop supported cable and pipe paths in the context of the 3D assembly.
CCXReview electrical separation
Investigate clearance through air and creepage along surfaces against the defined criteria.
HMXPrepare harness documentation
Develop the flattened representation and manufacturing information for the selected harness scope.

Avoid late surprises

Review route space, interfaces and design changes while the surrounding product can still be adjusted.

Make review explicit

Check the model against the intended connections and the criteria appropriate to the task.

Prepare a usable handoff

Agree the drawings, tables and model identity the next team needs.

Logical intent. Physical context.

Creo Schematics.
Logic that guides the route.

Creo Schematics provides the logical starting point for supported routing workflows. It organizes connectivity and component information so that PCX can use that information when developing the physical cable or piping system.

Official Creo Piping and Cabling Extension product film poster.

Official PTC film: Creo Piping and Cabling Extension · 4:23 · published 2021. It demonstrates PCX routing directly in 3D or driven by 2D schematic information; it is not a Schematics-only authoring tutorial.

Process and instrumentation, process flow, HVAC, block, circuit and wiring diagrams describe different kinds of systems. Choose the diagram around the information it must communicate, and agree how component identities and properties will map into the 3D work.

Connection identity
Which component and port does each end refer to?
Routing properties
Which cable, pipe or connection properties must the receiving model use?
Change responsibility
Who reviews the logical and physical definitions after a change?
A deliberate tool for each task

Route. Analyze. Document.
Put Creo extensions to work.

Choose the extension around the engineering task. Explore routing, electrical separation and harness documentation one at a time, then confirm how the proposed products and release support your complete workflow.

PTC PCX piping illustration with valves and routed pipework.
Piping example from the 2024 PCX datasheet.
From connectivity to physical geometry

Piping and Cabling Extension (PCX)

Develop 3D cable and piping routes in the context of the mechanical assembly. Supported schematic-driven workflows can reuse logical information, while routing and editing tools help refine the path around the product.

Review component designations, connection information, route space and applicable design rules. Associative relationships can support updates, but a changed assembly still requires the appropriate consistency and engineering checks.

2024 technical reference · PDF · 4 pages

Review documented routing, fittings, consistency checks and manufacturing outputs.

Download the PCX datasheet
Electrical component illustration from PTC’s Clearance and Creepage datasheet.
Electrical component from the 2017 CCX reference. Confirm current scope.
Electrical separation in the 3D design

Clearance and Creepage Extension (CCX)

Investigate electrical clearance and creepage paths on the digital model. Define the relevant conductive and insulating information and the required distances before interpreting the analysis.

The result depends on the model, setup and review criteria. Use the reported paths to investigate the design, and keep product-safety decisions, applicable requirements and verification with the responsible engineering team.

2017 technical reference · PDF · 2 pages

Review model setup, path investigation and analysis-result handling in this dated reference.

Download the CCX datasheet
Flattened harness manufacturing drawing from PTC’s HMX datasheet.
Flattened harness example from the 2024 HMX datasheet.
From the 3D harness to a manufacturing deliverable

Harness Manufacturing Extension (HMX)

Prepare a flattened harness representation and manufacturing documentation from the 3D definition. PTC’s reference describes drawing, wire-list, connector and bill-of-material information across different HMX offerings.

Agree the required drawing standard, templates, harness complexity and deliverables before choosing an offering. Check the generated information and retained relationships after a routing change; not every documented function belongs to every package.

2024 technical reference · PDF · 5 pages

Review the documented offering differences and manufacturing deliverables.

Download the HMX datasheet
Industry Applications

Different industries.
Critical connections.

Illustrative applications connect routed-system decisions to the physical product and the people responsible for its review.

Scroll or swipe to explore all 5 industries. Use Tab to reach each industry link.

Routed Systems Design FAQ

Before the first route.
Get clear answers.

Clarify tool responsibilities, model inputs and deliverables before evaluating a representative system.

Do all routed-systems tasks use the same Creo product?

No. Schematics focuses on logical connectivity, PCX on physical routing, CCX on electrical separation and HMX on harness manufacturing documentation. Establish the required tasks and confirm the proposed products, release and entitlements together.

Does Creo Schematics create the physical route by itself?

The schematic provides logical information for supported downstream workflows. The physical route is developed in the 3D environment using the relevant routing capabilities, with the assembly context and engineering checks still required.

What is the difference between clearance and creepage?

Clearance concerns separation through air; creepage concerns distance along an insulating surface. Define the applicable criteria and model setup, then review the resulting paths. An analysis result alone does not establish product certification.

Does an associative update remove the need to review a change?

No. Associativity can keep connected model information responsive to supported changes, but the team must inspect the affected routes, connections, analysis assumptions and documentation before release.

Are all HMX functions available in every offering?

No. The linked reference differentiates offerings and their supported complexity and deliverables. Confirm the current package and evaluate a representative harness rather than assuming every listed function is included.

What should we bring to a routed-systems evaluation?

Bring an assembly, a representative schematic or connection list, typical routing changes, relevant design criteria and an example manufacturing deliverable. Include the people who own the logical definition, physical design and final review.

Your routed-systems discussion

Your assembly. Your connections.
Let’s plan the next step.

Show us the connections, the physical constraints and the deliverable your team needs to produce.
TriStar can help frame an evaluation and clarify the Creo products, licenses and review workflow involved.

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