node-red-contrib-iiot-opcua/examples/server/program-server-with-context.json

An Industrial IoT OPC UA toolbox contribution package for Node-RED based on node-opcua.

[
  {
    "id": "96df9d1b.b1b87",
    "type": "tab",
    "label": "Context Flex-Server",
    "disabled": false,
    "info": ""
  },
  {
    "id": "7130e2b7.118f4c",
    "type": "inject",
    "z": "96df9d1b.b1b87",
    "name": "",
    "repeat": "1",
    "crontab": "",
    "once": true,
    "onceDelay": "0.5",
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "x": 230,
    "y": 120,
    "wires": [
      [
        "f7acaa05.137278"
      ]
    ]
  },
  {
    "id": "f7acaa05.137278",
    "type": "function",
    "z": "96df9d1b.b1b87",
    "name": "set flow context Inputs",
    "func": "// flow.set('isoInput1', Math.random() + 11.0) interval comes from server\nflow.set('isoInput2', Math.random() + 12.0)\nflow.set('isoInput3', Math.random() + 13.0)\nflow.set('isoInput4', Math.random() + 14.0)\nflow.set('isoInput5', Math.random() + 15.0)\nflow.set('isoInput6', Math.random() + 16.0)\nflow.set('isoInput7', Math.random() + 17.0)\nflow.set('isoInput8', Math.random() + 18.0)\n\nmsg.payload = [\n    flow.get('isoInput1'),\n    flow.get('isoInput2'),\n    flow.get('isoInput3'),\n    flow.get('isoInput4'),\n    flow.get('isoInput5'),\n    flow.get('isoInput6'),\n    flow.get('isoInput7'),\n    flow.get('isoInput8'),\n]\nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "x": 470,
    "y": 120,
    "wires": [
      [
        "297389f1.32cfb6"
      ]
    ]
  },
  {
    "id": "297389f1.32cfb6",
    "type": "debug",
    "z": "96df9d1b.b1b87",
    "name": "",
    "active": false,
    "tosidebar": true,
    "console": false,
    "tostatus": false,
    "complete": "false",
    "x": 720,
    "y": 120,
    "wires": []
  },
  {
    "id": "32e33b26.ffaa34",
    "type": "function",
    "z": "96df9d1b.b1b87",
    "name": "set flow context Outputs",
    "func": "// flow.set('isoOutput1', Math.random() + 1.0) interval comes from server\nflow.set('isoOutput2', Math.random() + 2.0)\nflow.set('isoOutput3', Math.random() + 3.0)\nflow.set('isoOutput4', Math.random() + 4.0)\nflow.set('isoOutput5', Math.random() + 5.0)\nflow.set('isoOutput6', Math.random() + 6.0)\nflow.set('isoOutput7', Math.random() + 7.0)\nflow.set('isoOutput8', Math.random() + 8.0)\n\nmsg.payload = [\n    flow.get('isoOutput1'),\n    flow.get('isoOutput2'),\n    flow.get('isoOutput3'),\n    flow.get('isoOutput4'),\n    flow.get('isoOutput5'),\n    flow.get('isoOutput6'),\n    flow.get('isoOutput7'),\n    flow.get('isoOutput8'),\n]\nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "initialize": "",
    "finalize": "",
    "libs": [],
    "x": 480,
    "y": 180,
    "wires": [
      [
        "463d4abe.8847ec"
      ]
    ]
  },
  {
    "id": "10b25957.46f07f",
    "type": "inject",
    "z": "96df9d1b.b1b87",
    "name": "",
    "repeat": "1",
    "crontab": "",
    "once": true,
    "onceDelay": "0.5",
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "x": 230,
    "y": 180,
    "wires": [
      [
        "32e33b26.ffaa34"
      ]
    ]
  },
  {
    "id": "463d4abe.8847ec",
    "type": "debug",
    "z": "96df9d1b.b1b87",
    "name": "",
    "active": false,
    "tosidebar": true,
    "console": false,
    "tostatus": false,
    "complete": "false",
    "x": 720,
    "y": 180,
    "wires": []
  },
  {
    "id": "af7aa8a.6c2e058",
    "type": "OPCUA-IIoT-Flex-Server",
    "z": "96df9d1b.b1b87",
    "port": "55480",
    "endpoint": "",
    "acceptExternalCommands": true,
    "maxAllowedSessionNumber": "",
    "maxConnectionsPerEndpoint": "",
    "maxAllowedSubscriptionNumber": "",
    "alternateHostname": "",
    "name": "",
    "showStatusActivities": false,
    "showErrors": false,
    "allowAnonymous": true,
    "individualCerts": false,
    "isAuditing": false,
    "serverDiscovery": true,
    "users": [],
    "xmlsets": [],
    "publicCertificateFile": "",
    "privateCertificateFile": "",
    "registerServerMethod": "1",
    "discoveryServerEndpointUrl": "",
    "capabilitiesForMDNS": "",
    "maxNodesPerRead": 1000,
    "maxNodesPerBrowse": 2000,
    "delayToClose": 1000,
    "addressSpaceScript": "function constructAlarmAddressSpace(server, addressSpace, eventObjects, done) {\n    // server = the created node-opcua server\n    // addressSpace = script placeholder\n    // eventObjects = to hold event variables in memory from this script\n    \n    // internal global sandbox objects are \n    // node = node of the flex server, \n    // coreServer = core iiot server object for debug and access to nodeOPCUA,\n    // and scriptObjects to hold variables and functions\n    const LocalizedText = opcua.LocalizedText;\n    const namespace = addressSpace.getOwnNamespace();\n    \n    coreServer.internalDebugLog('init dynamic address space')\n    node.warn('construct new address space for OPC UA')\n    \n    const Variant = opcua.Variant;\n    const DataType = opcua.DataType;\n    const DataValue = opcua.DataValue;\n    \n    var flexServerInternals = this;\n    \n    this.sandboxFlowContext.set(\"isoInput1\", 0);\n    this.sandboxFlowContext.set(\"isoInput2\", 0);\n    this.sandboxFlowContext.set(\"isoInput3\", 0);\n    this.sandboxFlowContext.set(\"isoInput4\", 0);\n    this.sandboxFlowContext.set(\"isoInput5\", 0);\n    this.sandboxFlowContext.set(\"isoInput6\", 0);\n    this.sandboxFlowContext.set(\"isoInput7\", 0);\n    this.sandboxFlowContext.set(\"isoInput8\", 0);\n    \n    this.sandboxFlowContext.set(\"isoOutput1\", 0);\n    this.sandboxFlowContext.set(\"isoOutput2\", 0);\n    this.sandboxFlowContext.set(\"isoOutput3\", 0);\n    this.sandboxFlowContext.set(\"isoOutput4\", 0);\n    this.sandboxFlowContext.set(\"isoOutput5\", 0);\n    this.sandboxFlowContext.set(\"isoOutput6\", 0);\n    this.sandboxFlowContext.set(\"isoOutput7\", 0);\n    this.sandboxFlowContext.set(\"isoOutput8\", 0);\n    \n    coreServer.internalDebugLog(\"init dynamic address space\");\n    const rootFolder = addressSpace.findNode(\"RootFolder\");\n    \n    node.warn(\"construct new address space for OPC UA\");\n    \n    const myDevice = namespace.addFolder(rootFolder.objects, {\n    \"browseName\": \"RaspberryPI-Zero-WLAN\"\n    });\n    const gpioFolder = namespace.addFolder(myDevice, { \"browseName\": \"GPIO\" });\n    const isoInputs = namespace.addFolder(gpioFolder, {\n    \"browseName\": \"Inputs\"\n    });\n    const isoOutputs = namespace.addFolder(gpioFolder, {\n    \"browseName\": \"Outputs\"\n    });\n    \n    const gpioDI1 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I1\",\n    \"nodeId\": \"ns=1;s=Isolated_Input1\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput1\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput1\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI2 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I2\",\n    \"nodeId\": \"ns=1;s=Isolated_Input2\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput2\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput2\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI3 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I3\",\n    \"nodeId\": \"ns=1;s=Isolated_Input3\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput3\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput3\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI4 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I4\",\n    \"nodeId\": \"ns=1;s=Isolated_Input4\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput4\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput4\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI5 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I5\",\n    \"nodeId\": \"ns=1;s=Isolated_Input5\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput5\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput5\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI6 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I6\",\n    \"nodeId\": \"ns=1;s=Isolated_Input6\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput6\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput6\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI7 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I7\",\n    \"nodeId\": \"ns=1;s=Isolated_Input7\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput7\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput7\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDI8 = namespace.addVariable({\n    \"organizedBy\": isoInputs,\n    \"browseName\": \"I8\",\n    \"nodeId\": \"ns=1;s=Isolated_Input8\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoInput8\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoInput8\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO1 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O1\",\n    \"nodeId\": \"ns=1;s=Isolated_Output1\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput1\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput1\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO2 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O2\",\n    \"nodeId\": \"ns=1;s=Isolated_Output2\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput2\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput2\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO3 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O3\",\n    \"nodeId\": \"ns=1;s=Isolated_Output3\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput3\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput3\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO4 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O4\",\n    \"nodeId\": \"ns=1;s=Isolated_Output4\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput4\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput4\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO5 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O5\",\n    \"nodeId\": \"ns=1;s=Isolated_Output5\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput5\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput5\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO6 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O6\",\n    \"nodeId\": \"ns=1;s=Isolated_Output6\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput6\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput6\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO7 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O7\",\n    \"nodeId\": \"ns=1;s=Isolated_Output7\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput7\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput7\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    const gpioDO8 = namespace.addVariable({\n    \"organizedBy\": isoOutputs,\n    \"browseName\": \"O8\",\n    \"nodeId\": \"ns=1;s=Isolated_Output8\",\n    \"dataType\": \"Double\",\n    \"value\": {\n      \"get\": function() {\n        return new Variant({\n          \"dataType\": DataType.Double,\n          \"value\": flexServerInternals.sandboxFlowContext.get(\"isoOutput8\")\n        });\n      },\n      \"set\": function(variant) {\n        flexServerInternals.sandboxFlowContext.set(\n          \"isoOutput8\",\n          parseFloat(variant.value)\n        );\n        return opcua.StatusCodes.Good;\n      }\n    }\n    });\n    \n    //------------------------------------------------------------------------------\n    // Add a view\n    //------------------------------------------------------------------------------\n    const viewDI = namespace.addView({\n    \"organizedBy\": rootFolder.views,\n    \"browseName\": \"RPIW0-Digital-Ins\"\n    });\n    \n    const viewDO = namespace.addView({\n    \"organizedBy\": rootFolder.views,\n    \"browseName\": \"RPIW0-Digital-Outs\"\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI1.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI2.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI3.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI4.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI5.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI6.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI7.nodeId\n    });\n    \n    viewDI.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDI8.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO1.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO2.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO3.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO4.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO5.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO6.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO7.nodeId\n    });\n    \n    viewDO.addReference({\n    \"referenceType\": \"Organizes\",\n    \"nodeId\": gpioDO8.nodeId\n    });\n    \n    coreServer.internalDebugLog(\"create dynamic address space done\");\n    node.warn(\"construction of new address space for OPC UA done\");\n    \n    done();\n}\n",
    "x": 970,
    "y": 180,
    "wires": [
      []
    ]
  }
]