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"{\"endpoint\":\"opc.tcp://localhost:55389/\",\"keepSessionAlive\":true,\"showErrors\":true,\"defaultSecureTokenLifetime\":360000,\"endpointMustExist\":false,\"autoSelectRightEndpoint\":false}", "payloadType": "json", "x": 760, "y": 240, "wires": [ [ "83836f37.817158" ] ] }, { "id": "51c6e598.bbb54c", "type": "inject", "z": "45689007.c2c51", "name": "Server 88", "props": [ { "p": "payload" }, { "p": "topic", "vt": "str" } ], "repeat": "", "crontab": "", "once": false, "onceDelay": 0.1, "topic": "", "payload": "{\"discoveryUrl\":null,\"endpoint\":\"opc.tcp://localhost:55388/\",\"keepSessionAlive\":true,\"securityPolicy\":\"None\",\"securityMode\":\"None\",\"name\":\"LOCAL FLEXIBLE INJECTED 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{\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 // from here - see the node-opcua docs how to build address sapces\n let tanks = namespace.addObject({\n browseName: 'Tanks',\n description: 'The Object representing some tanks',\n organizedBy: addressSpace.rootFolder.objects,\n notifierOf: addressSpace.rootFolder.objects.server\n })\n\n let oilTankLevel = namespace.addVariable({\n browseName: 'OilTankLevel',\n displayName: [\n new LocalizedText({ text: 'Oil Tank Level', locale: 'en-US' }),\n new LocalizedText({ text: 'Öl Tank Füllstand', locale: 'de-DE' })\n ],\n description: 'Fill level in percentage (0% to 100%) of the oil tank',\n propertyOf: tanks,\n dataType: 'Double',\n eventSourceOf: tanks\n })\n\n // ---------------------------------------------------------------------------------\n // Let's create a exclusive Limit Alarm that automatically raise itself\n // when the tank level is out of limit\n // ---------------------------------------------------------------------------------\n let exclusiveLimitAlarmType = addressSpace.findEventType('ExclusiveLimitAlarmType')\n let oilTankLevelCondition = namespace.instantiateExclusiveLimitAlarm(exclusiveLimitAlarmType, {\n componentOf: tanks,\n conditionSource: oilTankLevel,\n browseName: 'OilTankLevelCondition',\n displayName: [\n new LocalizedText({ text: 'Oil Tank Level Condition', locale: 'en-US' }),\n new LocalizedText({ text: 'Öl Tank Füllstand Bedingung', locale: 'de-DE' })\n ],\n description: 'ExclusiveLimitAlarmType Condition',\n conditionName: 'OilLevelCondition',\n optionals: [\n 'ConfirmedState', 'Confirm' // confirm state and confirm Method\n ],\n inputNode: oilTankLevel, // the letiable that will be monitored for change\n highHighLimit: 0.9,\n highLimit: 0.8,\n lowLimit: 0.2\n })\n\n // --------------------------------------------------------------\n // Let's create a second letiable with no Exclusive alarm\n // --------------------------------------------------------------\n let gasTankLevel = namespace.addVariable({\n browseName: 'GasTankLevel',\n displayName: [\n new LocalizedText({ text: 'Gas Tank Level', locale: 'en-US' }),\n new LocalizedText({ text: 'Gas Tank Füllstand', locale: 'de-DE' })\n ],\n description: 'Fill level in percentage (0% to 100%) of the gas tank',\n propertyOf: tanks,\n dataType: 'Double',\n eventSourceOf: tanks\n })\n\n let nonExclusiveLimitAlarmType = addressSpace.findEventType('NonExclusiveLimitAlarmType')\n let gasTankLevelCondition = namespace.instantiateNonExclusiveLimitAlarm(nonExclusiveLimitAlarmType, {\n componentOf: tanks,\n conditionSource: gasTankLevel,\n browseName: 'GasTankLevelCondition',\n displayName: [\n new LocalizedText({ text: 'Gas Tank Level Condition', locale: 'en-US' }),\n new LocalizedText({ text: 'Gas Tank Füllstand Bedingung', locale: 'de-DE' })\n ],\n description: 'NonExclusiveLimitAlarmType Condition',\n conditionName: 'GasLevelCondition',\n optionals: [\n 'ConfirmedState', 'Confirm' // confirm state and confirm Method\n ],\n inputNode: gasTankLevel, // the letiable that will be monitored for change\n highHighLimit: 0.9,\n highLimit: 0.8,\n lowLimit: 0.2\n })\n\n // variable with value\n if (scriptObjects.testReadWrite === undefined || scriptObjects.testReadWrite === null) {\n scriptObjects.testReadWrite = 1000.0\n }\n\n let myVariables = namespace.addObject({\n browseName: 'MyVariables',\n description: 'The Object representing some variables',\n organizedBy: addressSpace.rootFolder.objects,\n notifierOf: addressSpace.rootFolder.objects.server\n })\n\n if (coreServer.core) {\n namespace.addVariable({\n componentOf: myVariables,\n nodeId: 'ns=1;s=TestReadWrite',\n browseName: 'TestReadWrite',\n displayName: [\n new LocalizedText({ text: 'Test Read and Write', locale: 'en-US' }),\n new LocalizedText({ text: 'Test Lesen Schreiben', locale: 'de-DE' })\n ],\n dataType: 'Double',\n value: {\n get: function () {\n return new opcua.Variant({\n dataType: 'Double',\n value: scriptObjects.testReadWrite\n })\n },\n set: function (variant) {\n scriptObjects.testReadWrite = parseFloat(variant.value)\n return opcua.StatusCodes.Good\n }\n }\n\n })\n\n let memoryVariable = namespace.addVariable({\n componentOf: myVariables,\n nodeId: 'ns=1;s=free_memory',\n browseName: 'FreeMemory',\n displayName: [\n new LocalizedText({ text: 'Free Memory', locale: 'en-US' }),\n new LocalizedText({ text: 'ungenutzer RAM', locale: 'de-DE' })\n ],\n dataType: 'Double',\n\n value: {\n get: function () {\n return new opcua.Variant({\n dataType: 'Double',\n value: coreServer.core.availableMemory()\n })\n }\n }\n })\n addressSpace.installHistoricalDataNode(memoryVariable)\n\n } else {\n coreServer.internalDebugLog('coreServer.core needed for opcua')\n }\n\n // hold event objects in memory \n eventObjects.oilTankLevel = oilTankLevel\n eventObjects.oilTankLevelCondition = oilTankLevelCondition\n\n eventObjects.gasTankLevel = gasTankLevel\n eventObjects.gasTankLevelCondition = gasTankLevelCondition\n\n done()\n}", "x": 260, "y": 520, "wires": [ [] ] }, { "id": "2ec8dabd.dd9246", "type": "comment", "z": "45689007.c2c51", "name": "Server 88 is Default Demo Server", "info": "", "x": 310, "y": 480, "wires": [] }, { "id": "7aabc096.22f898", "type": "OPCUA-IIoT-Browser", "z": "45689007.c2c51", "nodeId": "ns=1;i=1234", "name": "", "justValue": true, "sendNodesToRead": true, "sendNodesToBrowser": true, "sendNodesToListener": true, "multipleOutputs": false, 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