Vidéo explicative sur la lecture en RS485 Modbus

[jlm]

Oulààà tu déterres des archives  

J'avais presque oublié cette vidéo. Oui j'ai une grosse tête, j'ai en peu corrigé dans les dernières. J'ai moins la grosse tête  

Bon j'ai vraiment dû fouiller pour retrouver le code.
Le voici.
Je l'avais trouvé tel que sur le Net à l'époque. Il pourrait à l'évidence être amélioré mais il fonctionnait.

La bestiole, c'est mon fils un jour qui est venu avec et m'a dit, tiens ils ne s'en servent pas au boulot.

Ca fonctionne bien cela dit. Mais j'ai un faible certain pour le petit dernier en zigbee direct dans HA. Ah le prêt à porter sur la confection de masse, éternel débat.
Bon j'arrête de délirer, voici le code

Format fichier:    
  flows(39).json (Taille : 12.67 Ko / Téléchargements : 4)

Ou direct copier / coller

Code :

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    {
        "id": "de9ded18.1099f",
        "type": "tab",
        "label": "Modbus Energy meter",
        "disabled": false,
        "info": ""
    },
    {
        "id": "b3ae0448.822d08",
        "type": "comment",
        "z": "de9ded18.1099f",
        "name": "SDM120 Energy Meter",
        "info": "",
        "x": 140,
        "y": 280,
        "wires": []
    },
    {
        "id": "53b4b356.bf124c",
        "type": "modbus-read",
        "z": "de9ded18.1099f",
        "name": "SDM 120 Voltage",
        "topic": "",
        "showStatusActivities": true,
        "logIOActivities": false,
        "showErrors": true,
        "unitid": "1",
        "dataType": "InputRegister",
        "adr": "0",
        "quantity": "2",
        "rate": "5",
        "rateUnit": "s",
        "delayOnStart": true,
        "startDelayTime": "5",
        "server": "40f20c7f.13a934",
        "useIOFile": false,
        "ioFile": "",
        "useIOForPayload": false,
        "emptyMsgOnFail": false,
        "x": 140,
        "y": 340,
        "wires": [
            [
                "e4d3fade.1132a8"
            ],
            []
        ]
    },
    {
        "id": "e4d3fade.1132a8",
        "type": "function",
        "z": "de9ded18.1099f",
        "name": "Voltage",
        "func": "var rawData = new ArrayBuffer(4);\nvar intView = new Uint16Array(rawData);\nvar fltView = new Float32Array(rawData);\n\nintView[0] = msg.payload[1]; //low\nintView[1] = msg.payload[0]; //high\n\nmsg.payload = parseFloat(fltView[0].toFixed(1));\nmsg.topic = \"voltage\";\n\nnode.status({fill:\"blue\",shape:\"ring\",text:msg.topic + \":\" + msg.payload});    \n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 320,
        "y": 340,
        "wires": [
            [
                "94b7c2b7.b61ae",
                "267d6c75.311c84"
            ]
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    },
    {
        "id": "e3643b3e.be3a88",
        "type": "function",
        "z": "de9ded18.1099f",
        "name": "Current",
        "func": "var rawData = new ArrayBuffer(4);\nvar intView = new Uint16Array(rawData);\nvar fltView = new Float32Array(rawData);\n\nintView[0] = msg.payload[1]; //low\nintView[1] = msg.payload[0]; //high\n\nmsg.payload = parseFloat(fltView[0].toFixed(1));\nmsg.topic = \"current\";\n\nnode.status({fill:\"blue\",shape:\"ring\",text:msg.topic + \":\" + msg.payload});    \n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 320,
        "y": 400,
        "wires": [
            [
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    {
        "id": "4dbf9277.487e4c",
        "type": "function",
        "z": "de9ded18.1099f",
        "name": "Power",
        "func": "var rawData = new ArrayBuffer(4);\nvar intView = new Uint16Array(rawData);\nvar fltView = new Float32Array(rawData);\n\nintView[0] = msg.payload[1]; //low\nintView[1] = msg.payload[0]; //high\n\nmsg.payload = parseFloat(fltView[0].toFixed(1));\nmsg.payload = msg.payload * (-1)\nmsg.topic = \"power\";\n\nnode.status({fill:\"blue\",shape:\"ring\",text:msg.topic + \":\" + msg.payload});    \n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 310,
        "y": 460,
        "wires": [
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                "c3697655.758e28",
                "267d6c75.311c84"
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    },
    {
        "id": "593c6698.c25388",
        "type": "function",
        "z": "de9ded18.1099f",
        "name": "Frequency",
        "func": "var rawData = new ArrayBuffer(4);\nvar intView = new Uint16Array(rawData);\nvar fltView = new Float32Array(rawData);\n\nintView[0] = msg.payload[1]; //low\nintView[1] = msg.payload[0]; //high\n\nmsg.payload = parseFloat(fltView[0].toFixed(1));\nmsg.topic = \"frequency\";\n\nnode.status({fill:\"blue\",shape:\"ring\",text:msg.topic + \":\" + msg.payload});    \n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 330,
        "y": 520,
        "wires": [
            [
                "c38e8fed.7fb6a",
                "267d6c75.311c84"
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        ]
    },
    {
        "id": "7df027a2.13a1f8",
        "type": "function",
        "z": "de9ded18.1099f",
        "name": "Energy",
        "func": "var rawData = new ArrayBuffer(4);\nvar intView = new Uint16Array(rawData);\nvar fltView = new Float32Array(rawData);\n\nintView[0] = msg.payload[1]; //low\nintView[1] = msg.payload[0]; //high\n\nmsg.payload = parseFloat(fltView[0].toFixed(2));\nmsg.topic = \"energy\";\n\nnode.status({fill:\"blue\",shape:\"ring\",text:msg.topic + \":\" + msg.payload});    \n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 320,
        "y": 580,
        "wires": [
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                "267d6c75.311c84"
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        ]
    },
    {
        "id": "7d42a707.bcd618",
        "type": "modbus-read",
        "z": "de9ded18.1099f",
        "name": "SDM 120 Current",
        "topic": "",
        "showStatusActivities": true,
        "logIOActivities": false,
        "showErrors": true,
        "unitid": "1",
        "dataType": "InputRegister",
        "adr": "6",
        "quantity": "2",
        "rate": "5",
        "rateUnit": "s",
        "delayOnStart": true,
        "startDelayTime": "5",
        "server": "40f20c7f.13a934",
        "useIOFile": false,
        "ioFile": "",
        "useIOForPayload": false,
        "emptyMsgOnFail": false,
        "x": 140,
        "y": 400,
        "wires": [
            [
                "e3643b3e.be3a88"
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            []
        ]
    },
    {
        "id": "576a7fbe.d0861",
        "type": "modbus-read",
        "z": "de9ded18.1099f",
        "name": "SDM 120 Power",
        "topic": "",
        "showStatusActivities": true,
        "logIOActivities": false,
        "showErrors": true,
        "unitid": "1",
        "dataType": "InputRegister",
        "adr": "12",
        "quantity": "2",
        "rate": "5",
        "rateUnit": "s",
        "delayOnStart": true,
        "startDelayTime": "5",
        "server": "40f20c7f.13a934",
        "useIOFile": false,
        "ioFile": "",
        "useIOForPayload": false,
        "emptyMsgOnFail": false,
        "x": 140,
        "y": 460,
        "wires": [
            [
                "4dbf9277.487e4c"
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            []
        ]
    },
    {
        "id": "519b5a74.1a7314",
        "type": "modbus-read",
        "z": "de9ded18.1099f",
        "name": "SDM 120 Frequency",
        "topic": "",
        "showStatusActivities": true,
        "logIOActivities": false,
        "showErrors": true,
        "unitid": "1",
        "dataType": "InputRegister",
        "adr": "70",
        "quantity": "2",
        "rate": "5",
        "rateUnit": "s",
        "delayOnStart": true,
        "startDelayTime": "5",
        "server": "40f20c7f.13a934",
        "useIOFile": false,
        "ioFile": "",
        "useIOForPayload": false,
        "emptyMsgOnFail": false,
        "x": 150,
        "y": 520,
        "wires": [
            [
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            []
        ]
    },
    {
        "id": "b84798db.04be98",
        "type": "modbus-read",
        "z": "de9ded18.1099f",
        "name": "SDM 120 Energy",
        "topic": "",
        "showStatusActivities": true,
        "logIOActivities": false,
        "showErrors": true,
        "unitid": "1",
        "dataType": "InputRegister",
        "adr": "342",
        "quantity": "2",
        "rate": "60",
        "rateUnit": "s",
        "delayOnStart": true,
        "startDelayTime": "5",
        "server": "40f20c7f.13a934",
        "useIOFile": false,
        "ioFile": "",
        "useIOForPayload": false,
        "emptyMsgOnFail": false,
        "x": 140,
        "y": 580,
        "wires": [
            [
                "7df027a2.13a1f8",
                "1b35ee5d.7dd512"
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            []
        ]
    },
    {
        "id": "94b7c2b7.b61ae",
        "type": "ui_text",
        "z": "de9ded18.1099f",
        "group": "b1bb14f0043ca966",
        "order": 0,
        "width": 0,
        "height": 0,
        "name": "",
        "label": "Voltage",
        "format": "{{msg.payload}} V",
        "layout": "row-spread",
        "x": 500,
        "y": 340,
        "wires": []
    },
    {
        "id": "fa18b5f3.ba6be8",
        "type": "ui_text",
        "z": "de9ded18.1099f",
        "group": "b1bb14f0043ca966",
        "order": 1,
        "width": 0,
        "height": 0,
        "name": "",
        "label": "Current",
        "format": "{{msg.payload}} A",
        "layout": "row-spread",
        "x": 500,
        "y": 400,
        "wires": []
    },
    {
        "id": "c3697655.758e28",
        "type": "ui_text",
        "z": "de9ded18.1099f",
        "group": "b1bb14f0043ca966",
        "order": 2,
        "width": 0,
        "height": 0,
        "name": "",
        "label": "Power",
        "format": "{{msg.payload}} W",
        "layout": "row-spread",
        "x": 490,
        "y": 460,
        "wires": []
    },
    {
        "id": "c38e8fed.7fb6a",
        "type": "ui_text",
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        "group": "b1bb14f0043ca966",
        "order": 3,
        "width": 0,
        "height": 0,
        "name": "",
        "label": "Frequency",
        "format": "{{msg.payload}} Hz",
        "layout": "row-spread",
        "x": 510,
        "y": 520,
        "wires": []
    },
    {
        "id": "d87b3ecd.2dab2",
        "type": "ui_text",
        "z": "de9ded18.1099f",
        "group": "b1bb14f0043ca966",
        "order": 4,
        "width": 0,
        "height": 0,
        "name": "",
        "label": "Total Energy",
        "format": "{{msg.payload}} kWh",
        "layout": "row-spread",
        "x": 510,
        "y": 580,
        "wires": []
    },
    {
        "id": "267d6c75.311c84",
        "type": "function",
        "z": "de9ded18.1099f",
        "name": "Build object",
        "func": "watch_topic = \"energy\";\nvar output = {};\n\ncontext.set(msg.topic,msg.payload);\n\nif (context.get(\"voltage\")!==undefined) {\n    output.voltage = context.get(\"voltage\");\n}\nif (context.get(\"current\")!==undefined) {\n    output.current = context.get(\"current\");\n}\nif (context.get(\"power\")!==undefined) {\n    output.power = context.get(\"power\");\n}\nif (context.get(\"frequency\")!==undefined) {\n    output.frequency = context.get(\"frequency\");\n}\nif (context.get(\"energy\")!==undefined) {\n    output.energy = context.get(\"energy\");\n}\nmsg.payload = output;\n\nif (msg.topic===watch_topic) {\n    msg.topic = \"sdm120\";\n    return msg;\n}",
        "outputs": 1,
        "noerr": 0,
        "x": 770,
        "y": 480,
        "wires": [
            [
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    },
    {
        "id": "6d3190d1.e5037",
        "type": "debug",
        "z": "de9ded18.1099f",
        "name": "",
        "active": false,
        "tosidebar": true,
        "console": false,
        "complete": "true",
        "statusVal": "",
        "statusType": "auto",
        "x": 910,
        "y": 480,
        "wires": []
    },
    {
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        "type": "debug",
        "z": "de9ded18.1099f",
        "name": "data array",
        "active": false,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 320,
        "y": 640,
        "wires": []
    },
    {
        "id": "40f20c7f.13a934",
        "type": "modbus-client",
        "name": "Modbus SDM120",
        "clienttype": "serial",
        "bufferCommands": true,
        "stateLogEnabled": false,
        "queueLogEnabled": false,
        "failureLogEnabled": false,
        "tcpHost": "127.0.0.1",
        "tcpPort": "502",
        "tcpType": "DEFAULT",
        "serialPort": "/dev/ttyUSB0",
        "serialType": "RTU-BUFFERD",
        "serialBaudrate": "9600",
        "serialDatabits": "8",
        "serialStopbits": "1",
        "serialParity": "none",
        "serialConnectionDelay": "100",
        "serialAsciiResponseStartDelimiter": "",
        "unit_id": "",
        "commandDelay": 30,
        "clientTimeout": 2000,
        "reconnectOnTimeout": false,
        "reconnectTimeout": 5000,
        "parallelUnitIdsAllowed": false
    },
    {
        "id": "b1bb14f0043ca966",
        "type": "ui_group",
        "name": "SDM120 Energy Meter",
        "tab": "ae839dae17d774a1",
        "order": 1,
        "disp": true,
        "width": "6",
        "collapse": false
    },
    {
        "id": "ae839dae17d774a1",
        "type": "ui_tab",
        "name": "Modbus",
        "icon": "memory",
        "order": 28,
        "disabled": false,
        "hidden": false
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]