{
  "nodes": [
    { "id": "temperature", "label": "Temperature Sensor", "type": "sensor" },
    { "id": "D1", "label": "Decidron D1", "type": "decidron" },
    { "id": "D2", "label": "Decidron D2", "type": "decidron" },
    { "id": "actuator-1", "label": "Failsafe Actuator", "type": "actuator" }
  ],
  "edges": [
    { "from": "temperature", "to": "D1", "label": "senses" },
    { "from": "temperature", "to": "D2", "label": "senses (redundant)" },
    { "from": "D1", "to": "D2", "label": "coupling" },
    { "from": "D2", "to": "D1", "label": "coupling" },
    { "from": "D1", "to": "actuator-1", "label": "drives" },
    { "from": "D2", "to": "actuator-1", "label": "drives (redundant)" }
  ]
}