Zenner Wasserzähler Minomess

Zenner Water Meter Minomess

Product Datasheet

Datenblatt DE

404KB

DB_WWZ_Minomess_L868_DE.pdf

pdf

Montageblatt DE

402KB

MA_ST_Funkmodul_APZ_UPZ.pdf

pdf

Device Profile for Tesenso IoT Cloud

712B

zenner_wasserz_hler_minomess.json

Decoder/Payload Converter for Tesenso IoT Cloud

https://github.com/Tesenso-GmbH/Device-Decoder/blob/main/Zenner_Minomess.js

//V2.0, 23.12.2021,DS

if (msg.data) {
    var decoded = decodeFromHex(msg.data);
    for (var i = 0; i < decoded.length; i++) {
        decoded[i]['values']['rssi'] = msg.rssi;
        decoded[i]['values']['snr'] = msg.snr;
        decoded[i]['values']['toa'] = msg.toa;
        decoded[i]['values']['frequency'] = msg.frequency;
        decoded[i]['values']['dr'] = msg.dr;
        decoded[i]['values']['bat'] = decodeBattery(msg.bat);
        decoded[i]['values']['hex'] = msg.data;
    }

    return {
        msg: decoded,
        metadata: metadata,
        msgType: msgType
    };
} else {
    return {
        msg: msg,
        metadata: metadata,
        msgType: msgType
    };
}

function HexToFloat32(str) {
    var int = parseInt(str, 16);
    if (int > 0 || int < 0) {
        var sign = (int >>> 31) ? -1 : 1;
        var exp = (int >>> 23 & 0xff) - 127;
        var mantissa = ((int & 0x7fffff) + 0x800000)
            .toString(2);
        var float32 = 0;
        for (i = 0; i < mantissa.length; i += 1) {
            float32 += parseInt(mantissa[i]) ? Math.pow(
                2, exp) : 0;
            exp--;
        }
        return float32 * sign;
    } else return 0;
}

function decodeFromHex(data) {

    var telemetry = [];

    if (data.substr(0, 2) == "11") {
        var dataString = data.substr(8, 2) + data.substr(6,
            2) + data.substr(4, 2) + data.substr(2, 2);
        waterMeter = parseInt(dataString, 16) / 1000;
        telemetry[0] = {
            "ts": msg.ts,
            "values": {
                "waterMeter": waterMeter
            }
        };
    } else if (data.substr(0, 1) == "c") {
        var dataString1 = data.substr(12, 2) + data.substr(
            10, 2) + data.substr(8, 2) + data.substr(6,
            2);
        var dataString2 = data.substr(20, 2) + data.substr(
            18, 2) + data.substr(16, 2) + data.substr(
            14, 2);
        var dataString3 = data.substr(28, 2) + data.substr(
            26, 2) + data.substr(24, 2) + data.substr(
            22, 2);
        var waterMeter1 = parseInt(dataString1, 16) /
            1000;
        var waterMeter2 = parseInt(dataString2, 16) /
            1000;
        var waterMeter3 = parseInt(dataString3, 16) /
            1000;

        telemetry[0] = {
            "ts": msg.ts - 7200000,
            "values": {
                "waterMeter": waterMeter1
            }
        };
        telemetry[1] = {
            "ts": msg.ts - 3600000,
            "values": {
                "waterMeter": waterMeter2
            }
        };
        telemetry[2] = {
            "ts": msg.ts,
            "values": {
                "waterMeter": waterMeter3
            }
        };

    }

    return telemetry;
}

function decodeBattery(byte) {
    if (byte == 0) {
        return 'External power source';
    } else if (byte > 0 && byte < 255) {
        return byte / 254 * 100;
    } else {
        return 'Unknown battery state';
    }
}

5KB

decoder_zenner_wasserz_hler_minomess(1).json

Device Labels

in manual	dataKey	dataType	dataFormat
	waterMeter1	telemetry
	waterMeter2	telemetry
	waterMeter3	telemetry

Uplink documentation

sample Uplink message (hex)

{
    "cmd": "gw",
    "seqno": 102729,
    "EUI": "04B6480455088493",
    "ts": 1662593561213,
    "fcnt": 1417,
    "port": 1,
    "freq": 868300000,
    "toa": 1318,
    "dr": "SF12 BW125 4/5",
    "ack": false,
    "gws": [{
        "rssi": -65,
        "snr": 9.5,
        "ts": 1662593561288,
        "time": "2022-09-06T23:13:27.326933Z",
        "gweui": "000800FFFF4A3F5E",
        "ant": 0,
        "lat": 47.4965808,
        "lon": 8.718909100000019
    }, {
        "rssi": -112,
        "snr": 0.5,
        "ts": 1662593561213,
        "time": "2022-09-07T23:32:41.238866Z",
        "gweui": "9C65F9FFFF4334E5",
        "ant": 0,
        "lat": 46.8076885,
        "lon": 7.100528
    }],
    "bat": 113,
    "data": "11d5420100",
    "_id": "63192a195798ca044bde5c17"
}

sample decoded Uplink

{
    "msg": {
        "waterMeter": 82.645,
        "ts": 1661262701281,
        "rssi": -80,
        "snr": 9.8,
        "toa": 61,
        "frequency": 867700000,
        "dr": "SF7 BW125 4/5",
        "bat": "External power source",
        "hex": "11d5420100"
    },
    "metadata": {
        "deviceType": "default",
        "deviceName": "Test Device",
        "ts": "1662624173561"
    },
    "msgType": "POST_TELEMETRY_REQUEST"
}

Downlink documentation

All Downlinks shall be sent on Port 3