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Examples

Shielded cable wiring

Document two signal conductors and a shield connected at one end.

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Shielded cable wiring rendered with WireViz, showing the connectors, wires and pin assignments
Generated directly from the example YAML with WireViz 0.4.1.

Purpose

Show how WireViz represents a shield independently from the numbered conductors. This single-ended termination is illustrative; it does not establish the correct shielding arrangement for a particular system.

Components

  • CONTROLLER has two signal positions and a third position labelled SHIELD.
  • SENSOR has two signal positions.
  • W1 is a 1.5-meter cable with two 24 AWG conductors and a shield.

Wiring

The first connection set joins both signal conductors end to end. The second connects controller pin 3 to the special cable wire s. It ends there, so the drawing leaves the other end of the shield unterminated. wirecount: 2 excludes the shield.

What to change

Adjust length, gauge, and signal labels to match the assembly being documented. A shield can also use a color code instead of true. If the real design terminates the shield at both ends, give the other connector a shield position and include it in the shield connection set.

Generated bill of materials

Id Description Qty Unit Designators
1 Cable, Shielded two-core cable, 2 x 24 AWG shielded 1.5 m W1
2 Connector, Three-position controller connector, 3 pins 1 CONTROLLER
3 Connector, Two-position sensor connector, 2 pins 1 SENSOR

YAML source

shielded-cable.yml
metadata:
  title: Shielded signal cable
  description: Illustrative single-ended shield example, not a certified electrical design.

connectors:
  CONTROLLER:
    type: Three-position controller connector
    pincount: 3
    pinlabels: [SIGNAL_PLUS, SIGNAL_MINUS, SHIELD]
  SENSOR:
    type: Two-position sensor connector
    pincount: 2
    pinlabels: [SIGNAL_PLUS, SIGNAL_MINUS]

cables:
  W1:
    type: Shielded two-core cable
    wirecount: 2
    gauge: 24 AWG
    length: 1.5
    colors: [BU, WH]
    wirelabels: [SIGNAL_PLUS, SIGNAL_MINUS]
    shield: true

connections:
  - - CONTROLLER: [1, 2]
    - W1: [1, 2]
    - SENSOR: [1, 2]
  - - CONTROLLER: 3
    - W1: s