node_red-moxa_e1242-modbus_tcp-mqtt.json

[
    {
        "id": "5e6a69ab.9287a8",
        "type": "modbus-flex-getter",
        "z": "5292141d.df2d7c",
        "name": "Moxa Read",
        "showStatusActivities": false,
        "showErrors": true,
        "logIOActivities": false,
        "server": "f2f5762f.4325a8",
        "useIOFile": false,
        "ioFile": "",
        "useIOForPayload": false,
        "emptyMsgOnFail": false,
        "keepMsgProperties": false,
        "x": 550,
        "y": 80,
        "wires": [
            [
                "5416a4c2.62102c"
            ],
            []
        ]
    },
    {
        "id": "ebc0b13.9e04a5",
        "type": "inject",
        "z": "5292141d.df2d7c",
        "name": "",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 100,
        "y": 80,
        "wires": [
            [
                "3a71a6d6.15665a"
            ]
        ]
    },
    {
        "id": "3a71a6d6.15665a",
        "type": "function",
        "z": "5292141d.df2d7c",
        "name": "AI Scaling",
        "func": "let out = [];\nlet tmp;\n\ntmp = { topic:'moxa/e1242-00/ai-00/float', payload:{ 'fc': 4, 'unitid': 1, 'address': 520, 'quantity': 2 } };\nout.push(tmp);\ntmp = { topic:'moxa/e1242-00/ai-01/float', payload:{ 'fc': 4, 'unitid': 1, 'address': 522, 'quantity': 2 } };\nout.push(tmp);\ntmp = { topic:'moxa/e1242-00/ai-02/float', payload:{ 'fc': 4, 'unitid': 1, 'address': 524, 'quantity': 2 } };\nout.push(tmp);\ntmp = { topic:'moxa/e1242-00/ai-03/float', payload:{ 'fc': 4, 'unitid': 1, 'address': 526, 'quantity': 2 } };\nout.push(tmp);\n\nreturn [out];",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 360,
        "y": 80,
        "wires": [
            [
                "5e6a69ab.9287a8"
            ]
        ]
    },
    {
        "id": "5416a4c2.62102c",
        "type": "function",
        "z": "5292141d.df2d7c",
        "name": "parse",
        "func": "function scale(valueIn, baseMin, baseMax, limitMin, limitMax) {\n    return ((limitMax - limitMin) * (valueIn - baseMin) / (baseMax - baseMin)) + limitMin;\n}\n\nlet val = msg.payload; // 4 bytes, 2301 format for float\nconst buf = Buffer.allocUnsafe(4);\n\nif (msg.topic.includes('float')) {\n    buf.writeUInt16BE(val[1]);\n    msg.payload = parseFloat(buf.readFloatBE(0).toFixed(3));\n} else {\n    msg.payload = parseFloat(scale(msg.payload, 0, 65535, 4.0, 20.0).toFixed(3));\n}\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 730,
        "y": 80,
        "wires": [
            [
                "42535259.267b7c",
                "4b7329cd.186a38"
            ]
        ]
    },
    {
        "id": "42535259.267b7c",
        "type": "debug",
        "z": "5292141d.df2d7c",
        "name": "",
        "active": false,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 930,
        "y": 80,
        "wires": []
    },
    {
        "id": "4b7329cd.186a38",
        "type": "mqtt out",
        "z": "5292141d.df2d7c",
        "name": "",
        "topic": "",
        "qos": "0",
        "retain": "false",
        "broker": "186c13ea.75e17c",
        "x": 910,
        "y": 120,
        "wires": []
    },
    {
        "id": "bd60f69d.06d078",
        "type": "mqtt in",
        "z": "5292141d.df2d7c",
        "name": "",
        "topic": "moxa/e1242-00/+/+",
        "qos": "0",
        "datatype": "auto",
        "broker": "186c13ea.75e17c",
        "x": 710,
        "y": 160,
        "wires": [
            [
                "64961125.a6d49"
            ]
        ]
    },
    {
        "id": "64961125.a6d49",
        "type": "debug",
        "z": "5292141d.df2d7c",
        "name": "",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "false",
        "statusVal": "",
        "statusType": "auto",
        "x": 930,
        "y": 160,
        "wires": []
    },
    {
        "id": "a261a36e.a255c",
        "type": "function",
        "z": "5292141d.df2d7c",
        "name": "AI",
        "func": "let out = [];\nlet tmp;\n\ntmp = { topic:'moxa/e1242-00/ai-00/raw', payload:{ 'fc': 4, 'unitid': 1, 'address': 512, 'quantity': 1 } };\nout.push(tmp);\ntmp = { topic:'moxa/e1242-00/ai-01/raw', payload:{ 'fc': 4, 'unitid': 1, 'address': 513, 'quantity': 1 } };\nout.push(tmp);\ntmp = { topic:'moxa/e1242-00/ai-02/raw', payload:{ 'fc': 4, 'unitid': 1, 'address': 514, 'quantity': 1 } };\nout.push(tmp);\ntmp = { topic:'moxa/e1242-00/ai-03/raw', payload:{ 'fc': 4, 'unitid': 1, 'address': 515, 'quantity': 1 } };\nout.push(tmp);\n\nreturn [out];",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 350,
        "y": 40,
        "wires": [
            [
                "5e6a69ab.9287a8"
            ]
        ]
    },
    {
        "id": "5775b406.8e2dcc",
        "type": "inject",
        "z": "5292141d.df2d7c",
        "name": "",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "300",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 110,
        "y": 40,
        "wires": [
            [
                "a261a36e.a255c"
            ]
        ]
    },
    {
        "id": "b9daf73b.e5c7d8",
        "type": "catch",
        "z": "5292141d.df2d7c",
        "name": "",
        "scope": [
            "5e6a69ab.9287a8"
        ],
        "uncaught": false,
        "x": 70,
        "y": 160,
        "wires": [
            [
                "665aa8c7.6ef368"
            ]
        ]
    },
    {
        "id": "665aa8c7.6ef368",
        "type": "delay",
        "z": "5292141d.df2d7c",
        "name": "",
        "pauseType": "delay",
        "timeout": "10",
        "timeoutUnits": "seconds",
        "rate": "1",
        "nbRateUnits": "1",
        "rateUnits": "second",
        "randomFirst": "1",
        "randomLast": "5",
        "randomUnits": "seconds",
        "drop": false,
        "x": 220,
        "y": 160,
        "wires": [
            [
                "a261a36e.a255c"
            ]
        ]
    },
    {
        "id": "f2f5762f.4325a8",
        "type": "modbus-client",
        "z": "",
        "name": "Moxa E1242-00",
        "clienttype": "tcp",
        "bufferCommands": true,
        "stateLogEnabled": false,
        "queueLogEnabled": false,
        "tcpHost": "192.168.4.243",
        "tcpPort": "502",
        "tcpType": "DEFAULT",
        "serialPort": "/dev/ttyUSB",
        "serialType": "RTU-BUFFERD",
        "serialBaudrate": "9600",
        "serialDatabits": "8",
        "serialStopbits": "1",
        "serialParity": "none",
        "serialConnectionDelay": "100",
        "unit_id": "1",
        "commandDelay": "1",
        "clientTimeout": "1000",
        "reconnectOnTimeout": true,
        "reconnectTimeout": "2000",
        "parallelUnitIdsAllowed": true
    },
    {
        "id": "186c13ea.75e17c",
        "type": "mqtt-broker",
        "z": "",
        "name": "Mosquitto",
        "broker": "localhost",
        "port": "1883",
        "clientid": "",
        "usetls": false,
        "compatmode": false,
        "keepalive": "60",
        "cleansession": true,
        "birthTopic": "",
        "birthQos": "0",
        "birthPayload": "",
        "closeTopic": "",
        "closeQos": "0",
        "closePayload": "",
        "willTopic": "",
        "willQos": "0",
        "willPayload": ""
    }
]