{"asOf":"2026-09-02","merchant":"SSDF INC","id":"opc-ua","kind":"middleware","title":"OPC UA Robotics","kicker":"PLC ↔ MES, not vehicle ↔ fleet","body":"Companion specification for robot data in an OPC UA address space. Different layer from VDA 5050 (MQTT to master control) and from ROS 2 (DDS/Zenoh graph).","clerk":"OPC Foundation / VDMA.","sku":"ssdf-robot-middleware-atlas","notes":["If an integrator says the fleet is 'OPC UA', ask whether they mean VDA 5050, ROS, or a PLC tag. This atlas exists so you can ask."],"hardRules":["Atlas the regulator. Credential the packet. Do not sell the robot.","A cobot is an application, not a robot class. ISO 10218-2:2025 absorbed ISO/TS 15066.","VDA 5050 is vehicle↔fleet. ROS 2 is middleware. Do not mix the layers.","A Passport is not a CE mark, an NRTL listing, or a SIL certificate.","No hosted ROS, Isaac, or Gazebo. No firmware. No robot NFT.","Desk review of a packet you send is Custom Deliverable. Robotics File Review is held.","Not the ISO or VDA text. Those bodies sell the standard. This is a map of the public surface."]}