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        "ret": "txt",
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        "method": "GET",
        "ret": "txt",
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        "initialize": "",
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        "ret": "txt",
        "paytoqs": "ignore",
        "url": "http://10.1.0.5/cgi-bin/readVal.exe?PDP,%20R108,d",
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        "x": 940,
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        "ret": "txt",
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        ],
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        "crontab": "",
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        "type": "function",
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        "initialize": "",
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        "libs": [],
        "x": 1530,
        "y": 40,
        "wires": [
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        "noerr": 0,
        "initialize": "",
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        "libs": [],
        "x": 880,
        "y": 580,
        "wires": [
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        "z": "f96eea4d4a3a345d",
        "name": "Reset or init all counters (Set to Zero)",
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        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 260,
        "y": 580,
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        "z": "f96eea4d4a3a345d",
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        "maximum": "10",
        "maximumunit": "mins",
        "name": "",
        "x": 1230,
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        "name": "",
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        "z": "f96eea4d4a3a345d",
        "name": "Calculate kWh of phase 1 power",
        "func": "//init counters if not defined\nif (global.get(\"grid_l1_import\") === undefined) {\n    global.set(\"grid_l1_import\", 0);\n}\nif (global.get(\"grid_l1_export\") === undefined) {\n    global.set(\"grid_l1_export\", 0);\n}\n//get counters from global variable\nvar total_import = global.get(\"grid_l1_import\");\nvar total_export = global.get(\"grid_l1_export\");\nvar check = \"Nothing\";\n\n//check if usage (payload) is positive=import or negative=export\n//add diff to import or export counters\nif (msg.payload < 0) {\n    total_export += Math.abs(msg.payload);\n    check = \"Export: \" + Math.abs(msg.payload) + \" kWh\";\n}\nif (msg.payload > 0) {\n    total_import += Math.abs(msg.payload);\n    check = \"Import: \" + Math.abs(msg.payload) + \" kWh\";\n}\n//write result back to global vars and send a msg for debug\nglobal.set(\"grid_l1_import\", total_import);\nglobal.set(\"grid_l1_export\", total_export);\nmsg.payload = {total_import: total_import, total_export: total_export, check: check}\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 1500,
        "y": 380,
        "wires": [
            []
        ]
    },
    {
        "id": "59bf60635bd06584",
        "type": "function",
        "z": "f96eea4d4a3a345d",
        "name": "Calculate kWh of phase 2 power",
        "func": "//init counters if not defined\nif (global.get(\"grid_l2_import\") === undefined) {\n    global.set(\"grid_l2_import\", 0);\n}\nif (global.get(\"grid_l2_export\") === undefined) {\n    global.set(\"grid_l2_export\", 0);\n}\n//get counters from global variable\nvar total_import = global.get(\"grid_l2_import\");\nvar total_export = global.get(\"grid_l2_export\");\nvar check = \"Nothing\";\n\n//check if usage (payload) is positive=import or negative=export\n//add diff to import or export counters\nif (msg.payload < 0) {\n    total_export += Math.abs(msg.payload);\n    check = \"Export: \" + Math.abs(msg.payload) + \" kWh\";\n}\nif (msg.payload > 0) {\n    total_import += Math.abs(msg.payload);\n    check = \"Import: \" + Math.abs(msg.payload) + \" kWh\";\n}\n\n//write result back to global vars and send a msg for debug\nglobal.set(\"grid_l2_import\", total_import);\nglobal.set(\"grid_l2_export\", total_export);\nmsg.payload = {total_import: total_import, total_export: total_export, check: check}\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 1500,
        "y": 420,
        "wires": [
            []
        ]
    },
    {
        "id": "87d6bf141ff90325",
        "type": "function",
        "z": "f96eea4d4a3a345d",
        "name": "Calculate kWh of phase 3 power",
        "func": "//init counters if not defined\nif (global.get(\"grid_l3_import\") === undefined) {\n    global.set(\"grid_l3_import\", 0);\n}\nif (global.get(\"grid_l3_export\") === undefined) {\n    global.set(\"grid_l3_export\", 0);\n}\n//get counters from global variable\nvar total_import = global.get(\"grid_l3_import\");\nvar total_export = global.get(\"grid_l3_export\");\nvar check = \"Nothing\";\n\n//check if usage (payload) is positive=import or negative=export\n//add diff to import or export counters\nif (msg.payload < 0) {\n    total_export += Math.abs(msg.payload);\n    check = \"Export: \" + Math.abs(msg.payload) + \" kWh\";\n}\nif (msg.payload > 0) {\n    total_import += Math.abs(msg.payload);\n    check = \"Import: \" + Math.abs(msg.payload) + \" kWh\";\n}\n\n//write result back to global vars and send a msg for debug\nglobal.set(\"grid_l3_import\", total_import);\nglobal.set(\"grid_l3_export\", total_export);\nmsg.payload = {total_import: total_import, total_export: total_export, check: check}\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 1500,
        "y": 460,
        "wires": [
            []
        ]
    },
    {
        "id": "8fe908e8e4e30699",
        "type": "comment",
        "z": "f96eea4d4a3a345d",
        "name": "Write all values into global vars, to export them via a JSON-HTTP-API",
        "info": "Write all values into global vars,\nto export them via a JSON-HTTP-API",
        "x": 790,
        "y": 80,
        "wires": []
    },
    {
        "id": "c648f182292dd923",
        "type": "comment",
        "z": "f96eea4d4a3a345d",
        "name": "Read all global vars an create a JObject so we can poll it via HTTP",
        "info": "Read all global vars an create a JObject so we can poll it via HTTP",
        "x": 700,
        "y": 820,
        "wires": []
    },
    {
        "id": "b38818b5fb6846af",
        "type": "comment",
        "z": "f96eea4d4a3a345d",
        "name": "You can save global vars to a context file, if you enable \"Context storage\" in your Node-RED settings.json",
        "info": "You can save global vars to a context file, if you enable \"Context storage\" in your Node-RED settings.json",
        "x": 850,
        "y": 720,
        "wires": []
    },
    {
        "id": "2413b4c69ccefdfb",
        "type": "comment",
        "z": "f96eea4d4a3a345d",
        "name": "With Context storage all global vars are persisted bedween Node RED restarts",
        "info": "With Context storage all global vars are persisted bedween Node RED restarts",
        "x": 740,
        "y": 760,
        "wires": []
    }
]