UPDATE 31.10.: Amazon Alexa - ioBroker Skill läuft aus ?

[Thomas42]

@wilher Hi,
wäre eventuell hifreich, wenn Du Dein Log posten würdest und nicht das Script

[Ein ehemaliger Benutzer]

@oswibz

Leider gibt es hier bei mir nichts neues ... Es funktioniert immer noch nicht ...

[Alex Warkentin]

Ich habe das Script gerade erfolgreich eingerichtet. War nicht ganz so einfach. Daher hier noch ein paar Tipps:

Javascript Adapter und Nodejs sollten auf dem neuesten Stand sein, oder zumindest zueinander passen.

In den Einstellungen des Javascript-Adapters muss die Erweiterung "modbus-serial" eingetragen werden (einfach reinschreiben und bestätigen). Bei mir meckert das Script danach trotzdem über die Zeile, funktioniert aber.

Die IP eures Dongles muss eingetragen werden (ohne $$$)

// Enter your inverter modbus IP and port here:
client.connectTCP("192.xxx.xxx.xxx", { port: 502 });

Die IDs des WRs und der Batterien könnt ihr im Gerätemanagement in der Fusionsolar Web-Oberfläche herausfinden, oder direkt am Gerät. Dafür braucht ihr aber den Installateur-Zugang. Normalerweise hat der WR aber die ID 1 und der SmartMeter die 0. Bei der Batterie kann ich nicht weiterhelfen. Habe keine.

// Enter the Modbus-IDs of your Sun2000 inverters here:
const modBusIDs = [1];
// On which Modbus-ID can we reach the power meter? (via Sun2000!)
const powerMeterID = 0;

Die existState Funktion ist fehlerhaft, da objectname nicht den vollen Pfad beinhaltet. So funktioniert es:

if(!existsState("javascript.0." + objectname))

Bei der Start- und Stopzeit habe ich die Sekunden in Datum umgewandelt. Bitte auf Groß-Kleinschreibung achten

ForceSetState("Solarpower.Huawei.Inverter." + id + ".StartupTime",              new Date(GetU32(globalDataBuffer[id-1], 32091)*1000),          {name: "", unit: ""});
ForceSetState("Solarpower.Huawei.Inverter." + id + ".ShutdownTime",             new Date(GetU32(globalDataBuffer[id-1], 32093)*1000),          {name: "", unit: ""});

[striegel26]

Hallo zusammen

ich brauche mal eure Hilfe. Das Script scheint soweit zu funktionieren, aber es werden leider die Werte des PowerMeters nicht aktualisiert, das erste mal hat es funktioniert. Was habe ich falsch gemacht ?

VG Dennis

// License: Beerware! Do what ever you like with this, but I'm not liable for anything that you do with it.
// If you like this code, feel free to buy me a beer ...
// Have fun with it! der Kachel
var ModbusRTU = require("modbus-serial");
var client = new ModbusRTU();

var modbusErrorMessages = [
    "Unknown error",
    "Illegal function (device does not support this read/write function)",
    "Illegal data address (register not supported by device)",
    "Illegal data value (value cannot be written to this register)",
    "Slave device failure (device reports internal error)",
    "Acknowledge (requested data will be available later)",
    "Slave device busy (retry request again later)"
];

// open connection to a tcp line
client.setTimeout(10000);

// Enter your inverter modbus IP and port here:
client.connectTCP("192.168.178.95", { port: 502 });
// Enter the Modbus-IDs of your Sun2000 inverters here:
const ModBusIDs = [16, 1];
// On which Modbus-ID can we reach the power meter? (via Sun2000!)
const PowerMeterID = 11;
// Enter your battery stack setup. 2 dimensional array. 
// e.g. [[3, 2], [3, 0]] means:
// First inverter has two battery stacks with 3 + 2 battery modules
// while second inverter has only one battery stack with 3 battery modules
const BatteryUnits = [[3, 0], [3, 0]];

// These register spaces need to be read:
const RegisterSpacesToReadContinuously = [[30000, 81], [37100, 114], [32000, 116], [37000, 68],  [37700, 100], [37800, 100], [38200, 100], [38300, 100], [38400, 100], [35300, 40]];
var RegisterSpacesToReadContinuouslyPtr = 0;

var GlobalDataBuffer = new Array(2);
for(var i=0; i<ModBusIDs.length; i++) {
    GlobalDataBuffer[i] = new Array(50000); // not optimized....
}

// ---------------------------------------------------------------
// Some helper functions:
function readUnsignedInt16(array) {
    var value = array[0];    
    return value;
}

function readUnsignedInt32(array) {
    var value = array[0] * 256 * 256 + array[1];    
    return value;
}

function readSignedInt16(array) {
    var value = 0;
    if (array[0] > 32767)
        value = array[0] - 65535; 
    else
        value = array[0];

    return value;
}
function readSignedInt32(array) {
    var value = 0;
    for (var i = 0; i < 2; i++) {
        value = (value << 16) | array[i];
    }
    return value;
}
function getU16(dataarray, index) {
    var value = readUnsignedInt16(dataarray.slice(index, index+1));
    return value;
}

function getU32(dataarray, index) {
    var value = readUnsignedInt32(dataarray.slice(index, index+2));
    return value;
}

function getI16(dataarray, index) {
    var value = readSignedInt16(dataarray.slice(index, index+1));
    return value;
}

function getI32(dataarray, index) {
    var value = readSignedInt32(dataarray.slice(index, index+2));
    return value;
}

function getString(dataarray, index, length) {
    var shortarray = dataarray.slice(index, index+length);
    var bytearray = [];
    for(var i = 0; i < length; i++) {
        bytearray.push(dataarray[index+i] >> 8);
        bytearray.push(dataarray[index+i] & 0xff);
    }       
    var value =  String.fromCharCode.apply(null, bytearray);    
    return value;
}

function getZeroTerminatedString(dataarray, index, length) {
    var shortarray = dataarray.slice(index, index+length);
    var bytearray = [];
    for(var i = 0; i < length; i++) {
        bytearray.push(dataarray[index+i] >> 8);
        bytearray.push(dataarray[index+i] & 0xff);
    }       
    var value =  String.fromCharCode.apply(null, bytearray);    
    var value2 = new String(value).trim();
    return value2;
}

function forcesetState(objectname, value, options) {
    if(!existsState("javascript.0." + objectname)) {
        createState(objectname, value, options); 
        console.log("createstate " +  objectname + " to value " + value);            
    }
        setState(objectname, value);
    }
// ---------------------------------------------------------------
// Functions to map registers into ioBreaker objects:
function processOptimizers(id) {
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".OptimizerTotalNumber",     getU16(GlobalDataBuffer[id-1], 35200), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".OptimizerOnlineNumber",    getU16(GlobalDataBuffer[id-1], 35201), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".OptimizerFeatureData",     getU16(GlobalDataBuffer[id-1], 35202), {name: "", unit: ""});
}

function processInverterPowerAdjustments(id) {
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.ActiveAdjustementMode",     getU16(GlobalDataBuffer[id-1], 35300), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.ActiveAdjustementValue",    getU32(GlobalDataBuffer[id-1], 35301), {name: "", unit: ""}); // Note: This might be an error in the manual. It says register 35302 with quantity 2, but on 35303 is already the next value.
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.ActiveAdjustementCommand",  getU16(GlobalDataBuffer[id-1], 35303), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.ReactiveAdjustementMode",   getU16(GlobalDataBuffer[id-1], 35304), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.ReactiveAdjustementValue",  getU32(GlobalDataBuffer[id-1], 35305), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.ReactiveAdjustementCommand",getU16(GlobalDataBuffer[id-1], 35307), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActiveAdjustement.PowerMeterActivePower",     getI32(GlobalDataBuffer[id-1], 35313), {name: "", unit: ""});
}

function processBattery(id) {
    // Battery registers 1-15 (Stack 1 related)
    if(BatteryUnits[id-1][0] > 0) {
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.RunningStatus",          getU16(GlobalDataBuffer[id-1], 37000), {name: "", unit: ""});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.ChargeAndDischargePower",getI32(GlobalDataBuffer[id-1], 37001), {name: "Charge and Discharge Power", unit: "W"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.BusVoltage",             getU16(GlobalDataBuffer[id-1], 37003) / 10, {name: "Busvoltage", unit: "V"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.BatterySOC",             getU16(GlobalDataBuffer[id-1], 37004) / 10, {name: "Battery SOC", unit: "%"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.WorkingMode",            getU16(GlobalDataBuffer[id-1], 37006), {name: "Working Mode", unit: ""});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.RatedChargePower",       getU32(GlobalDataBuffer[id-1], 37007), {name: "", unit: "W"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.RatedDischargePower",    getU32(GlobalDataBuffer[id-1], 37009), {name: "", unit: "W"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.FaultID",                getU16(GlobalDataBuffer[id-1], 37014), {name: "", unit: ""});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.CurrentDayChargeCapacity",    getU32(GlobalDataBuffer[id-1], 37015) / 100, {name: "", unit: "kWh"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.CurrentDayDischargeCapacity", getU32(GlobalDataBuffer[id-1], 37017) / 100, {name: "", unit: "kWh"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.BusCurrent",             getI16(GlobalDataBuffer[id-1], 37021) / 10, {name: "Buscurrent", unit: "A"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.BatteryTemperature",     getI16(GlobalDataBuffer[id-1], 37022) / 10, {name: "Battery Temperatue", unit: "°C"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.RemainingChargeDischargeTime", getU16(GlobalDataBuffer[id-1], 37025), {name: "", unit: "mins"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.DCDCversion",            getZeroTerminatedString(GlobalDataBuffer[id-1], 37026, 10), {name: "", unit: ""});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.BMSversion",             getZeroTerminatedString(GlobalDataBuffer[id-1], 37036, 10), {name: "", unit: ""});
    }
    // Battery registers 16+17 (Storage-related)
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.MaximumChargePower",                getU32(GlobalDataBuffer[id-1], 37046), {name: "", unit: "W"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.MaximumDischargePower",             getU32(GlobalDataBuffer[id-1], 37048), {name: "", unit: "W"});

    // Battery register 18-20 (Stack 1 related)
    if(BatteryUnits[id-1][0] > 0) {
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.SN",                         getZeroTerminatedString(GlobalDataBuffer[id-1], 37052, 10), {name: "Serialnumber", unit: ""});       
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.TotalCharge",                getU32(GlobalDataBuffer[id-1], 37066) / 100, {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.TotalDischarge",             getU32(GlobalDataBuffer[id-1], 37068) / 100, {name: "", unit: "kWh"});
    }
    // Battery register 21-31 (Stack 2 related)
    if(BatteryUnits[id-1][1] > 0) {
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.SN",                     getZeroTerminatedString(GlobalDataBuffer[id-1], 37700, 10), {name: "Serialnumber", unit: ""});        
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.BatterySOC",             getU16(GlobalDataBuffer[id-1], 37738) / 10, {name: "", unit: "%"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.RunningStatus",          getU16(GlobalDataBuffer[id-1], 37741), {name: "", unit: ""});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.ChargeAndDischargePower",getI32(GlobalDataBuffer[id-1], 37743), {name: "", unit: "W"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.CurrentDayChargeCapacity",    getU32(GlobalDataBuffer[id-1], 37746) / 100, {name: "", unit: "kWh"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.CurrentDayDischargeCapacity", getU32(GlobalDataBuffer[id-1], 37748) / 100, {name: "", unit: "kWh"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.BusVoltage",             getU16(GlobalDataBuffer[id-1], 37750) / 10, {name: "", unit: "V"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.BusCurrent",             getI16(GlobalDataBuffer[id-1], 37751) / 10, {name: "", unit: "A"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.BatteryTemperature",     getI16(GlobalDataBuffer[id-1], 37752) / 10, {name: "", unit: "°C"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.TotalCharge",                 getU32(GlobalDataBuffer[id-1], 37753) / 100, {name: "", unit: "kWh"});
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.TotalDischarge",              getU32(GlobalDataBuffer[id-1], 37755) / 100, {name: "", unit: "kWh"});
    }
    // Battery register 32-41 (Storage related)
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.RatedCapacity", getU32(GlobalDataBuffer[id-1], 37758) / 1, {name: "", unit: "Wh"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.SOC", getU16(GlobalDataBuffer[id-1], 37760) / 10, {name: "", unit: "%"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.RunningStatus", getU16(GlobalDataBuffer[id-1], 37762) / 1, {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.BusVoltage", getU16(GlobalDataBuffer[id-1], 37763) / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.BusCurrent", getI16(GlobalDataBuffer[id-1], 37764) / 10, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.ChargeAndDischargePower", getI32(GlobalDataBuffer[id-1], 37765) / 1, {name: "", unit: "W"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.TotalCharge", getU32(GlobalDataBuffer[id-1], 37780) / 100, {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.TotalDischarge", getU32(GlobalDataBuffer[id-1], 37782) / 100, {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.CurrentDayChargeCapacity", getU32(GlobalDataBuffer[id-1], 37784) / 100, {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Battery.CurrentDayDischargeCapacity", getU32(GlobalDataBuffer[id-1], 37786) / 100, {name: "Current DayDiscarge ", unit: "kWh"});

    // Battery registers 42+43 (Battery stack related)   
    if(BatteryUnits[id-1][1] > 0) {
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.2.SoftwareVersion",    getZeroTerminatedString(GlobalDataBuffer[id-1], 37814, 8), {name: "Softwareversion", unit: ""});
    }
    if(BatteryUnits[id-1][0] > 0) {
        forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack.1.SoftwareVersion",    getZeroTerminatedString(GlobalDataBuffer[id-1], 37799, 8), {name: "Softwareversion", unit: ""});
    }

    // Registers 44 to 98: (Battery pack related)
    for(var i = 1; i <= 2; i++){        
        if(BatteryUnits[id-1][i-1] >= 0) {            
            for(var j = 1; j <= BatteryUnits[id-1][i-1]; j++) {
                //[[38200, 38242, 38284] [38326, 38368, 38410]]; (+42 for each battery pack, +126 for each stack)
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".SN",                getZeroTerminatedString(GlobalDataBuffer[id-1], 38200+(i-1)*126+(j-1)*42, 6), {name: "", unit: ""});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".FirmwareVersion",   getZeroTerminatedString(GlobalDataBuffer[id-1], 38210+(i-1)*126+(j-1)*42, 8), {name: "", unit: ""});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".WorkingStatus",     getU16(GlobalDataBuffer[id-1], 38228+(i-1)*126+(j-1)*42), {name: "", unit: ""});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".BatterySOC",        getU16(GlobalDataBuffer[id-1], 38229+(i-1)*126+(j-1)*42) / 10, {name: "", unit: "%"});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".ChargeAndDischargePower", getI32(GlobalDataBuffer[id-1], 38233+(i-1)*126+(j-1)*42) / 1000, {name: "", unit: "kW"});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".Voltage",           getU16(GlobalDataBuffer[id-1], 38235+(i-1)*126+(j-1)*42) / 10, {name: "", unit: "V"});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".Current",           getI16(GlobalDataBuffer[id-1], 38236+(i-1)*126+(j-1)*42) / 10, {name: "", unit: "A"});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".TotalCharge",       getU32(GlobalDataBuffer[id-1], 38238+(i-1)*126+(j-1)*42) / 100, {name: "", unit: "kWh"});
                forcesetState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".TotalDischarge",    getU32(GlobalDataBuffer[id-1], 38240+(i-1)*126+(j-1)*42) / 100, {name: "", unit: "kWh"});

                // [[38452, 38454, 38456][38458, 38460, 38462]] ( +2 for each pack, +6 for each stack)
                createState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".MaxTemperature", getI16(GlobalDataBuffer[id-1], 38452+(i-1)*6+(j-1)*2) / 10, {name: "", unit: "°C"});
                createState("Solarpower2.Huawei.Inverter." + id + ".Batterystack." + i + ".Battery" + j + ".MinTemperature", getI16(GlobalDataBuffer[id-1], 38453+(i-1)*6+(j-1)*2) / 10, {name: "", unit: "°C"});
            }
        }        
    }

    // Battery registers 110-141 are not supported by this script yet!
}

function ProcessPowerMeterStatus() {       
    forcesetState("Solarpower2.Huawei.Meter.Status",          getU16(GlobalDataBuffer[PowerMeterID], 37100), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Meter.VoltageL1",        getI32(GlobalDataBuffer[PowerMeterID], 37101)  / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Meter.VoltageL2",        getI32(GlobalDataBuffer[PowerMeterID], 37103)  / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Meter.VoltageL3",        getI32(GlobalDataBuffer[PowerMeterID], 37105)  / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Meter.CurrentL1",        getI32(GlobalDataBuffer[PowerMeterID], 37107)  / 100, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Meter.CurrentL2",        getI32(GlobalDataBuffer[PowerMeterID], 37109)  / 100, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Meter.CurrentL3",        getI32(GlobalDataBuffer[PowerMeterID], 37111) / 100, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Meter.ActivePower",     getI32(GlobalDataBuffer[PowerMeterID], 37113) / 1, {name: "", unit: "W"});
    forcesetState("Solarpower2.Huawei.Meter.ReactivePower",   getI32(GlobalDataBuffer[PowerMeterID], 37115) / 1, {name: "", unit: "Var"});
    forcesetState("Solarpower2.Huawei.Meter.PowerFactor",     getI16(GlobalDataBuffer[PowerMeterID], 37117) / 1000, {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Meter.GridFrequency",   getI16(GlobalDataBuffer[PowerMeterID], 37118) / 100, {name: "", unit: "Hz"});
    forcesetState("Solarpower2.Huawei.Meter.PositiveActiveEnergy",     getI32(GlobalDataBuffer[PowerMeterID], 37119) / 100, {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Meter.ReverseActiveEnergy",      getI32(GlobalDataBuffer[PowerMeterID], 37121) / 100, {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Meter.AccumulatedReactivePower", getI32(GlobalDataBuffer[PowerMeterID], 37123) / 100, {name: "", unit: "kVarh"});
    forcesetState("Solarpower2.Huawei.Meter.MeterType",       getU16(GlobalDataBuffer[PowerMeterID], 37125), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Meter.VoltageL1-L2",       getI32(GlobalDataBuffer[PowerMeterID], 37126) / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Meter.VoltageL2-L3",       getI32(GlobalDataBuffer[PowerMeterID], 37128) / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Meter.VoltageL3-L1",       getI32(GlobalDataBuffer[PowerMeterID], 37130) / 10, {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Meter.ActivePowerL1",    getI32(GlobalDataBuffer[PowerMeterID], 37132) / 1, {name: "", unit: "W"});
    forcesetState("Solarpower2.Huawei.Meter.ActivePowerL2",    getI32(GlobalDataBuffer[PowerMeterID], 37134) / 1, {name: "", unit: "W"});
    forcesetState("Solarpower2.Huawei.Meter.ActivePowerL3",    getI32(GlobalDataBuffer[PowerMeterID], 37136) / 1, {name: "", unit: "W"});
    forcesetState("Solarpower2.Huawei.Meter.MeterModel",      getU16(GlobalDataBuffer[PowerMeterID], 37138), {name: "", unit: ""});
}

function processInverterStatus(id) {
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".State1", getU16(GlobalDataBuffer[id-1], 32000), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".State2", getU16(GlobalDataBuffer[id-1], 32001), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".State3", getU16(GlobalDataBuffer[id-1], 32002), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Alarm1", getU16(GlobalDataBuffer[id-1], 32008), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Alarm2", getU16(GlobalDataBuffer[id-1], 32009), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Alarm3", getU16(GlobalDataBuffer[id-1], 32010), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".String.1_Voltage",       getI16(GlobalDataBuffer[id-1], 32016) / 10  , {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".String.1_Current",       getI16(GlobalDataBuffer[id-1], 32017) / 100 , {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".String.2_Voltage",       getI16(GlobalDataBuffer[id-1], 32018) / 10  , {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".String.2_Current",       getI16(GlobalDataBuffer[id-1], 32019) / 100 , {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".InputPower",             getI32(GlobalDataBuffer[id-1], 32064) / 1000, {name: "", unit: "kW"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L1-L2_Voltage",           getU16(GlobalDataBuffer[id-1], 32066) / 10  , {name: "", unit: "V"});      
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L2-L3_Voltage",           getU16(GlobalDataBuffer[id-1], 32067) / 10  , {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L3-L1_Voltage",           getU16(GlobalDataBuffer[id-1], 32068) / 10  , {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L1_Voltage",            getU16(GlobalDataBuffer[id-1], 32069) / 10  , {name: "", unit: "V"});                              
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L2_Voltage",            getU16(GlobalDataBuffer[id-1], 32070) / 10  , {name: "", unit: "V"});                                                  
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L3_Voltage",            getU16(GlobalDataBuffer[id-1], 32071) / 10  , {name: "", unit: "V"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L1_Current",         getI32(GlobalDataBuffer[id-1], 32072) / 1000, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L2_Current",         getI32(GlobalDataBuffer[id-1], 32074) / 1000, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Grid.L3_Current",         getI32(GlobalDataBuffer[id-1], 32076) / 1000, {name: "", unit: "A"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".PeakActivePowerDay",     getI32(GlobalDataBuffer[id-1], 32078) / 1000, {name: "", unit: "kW"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ActivePower",            getI32(GlobalDataBuffer[id-1], 32080) / 1000, {name: "", unit: "kW"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ReactivePower",          getI32(GlobalDataBuffer[id-1], 32082) / 1000, {name: "", unit: "kVar"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".PowerFactor",            getI16(GlobalDataBuffer[id-1], 32084) / 1000, {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".GridFrequency",          getU16(GlobalDataBuffer[id-1], 32085) / 100 , {name: "", unit: "Hz"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Efficiency",             getU16(GlobalDataBuffer[id-1], 32086) / 100 , {name: "", unit: "%"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".InternalTemperature",    getI16(GlobalDataBuffer[id-1], 32087) / 10  , {name: "", unit: "°C"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".InsulationResistance",   getU16(GlobalDataBuffer[id-1], 32088) / 1000, {name: "", unit: "MOhm"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".DeviceStatus",              getU16(GlobalDataBuffer[id-1], 32089), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".FaultCode",                 getU16(GlobalDataBuffer[id-1], 32090), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".StartupTime",               getU16(GlobalDataBuffer[id-1], 32091), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ShutdownTime",              getU16(GlobalDataBuffer[id-1], 32093), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".AccomulatedEnergyYield",    getU16(GlobalDataBuffer[id-1], 32106), {name: "", unit: "kWh"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".DailyEnergyYield",          getU16(GlobalDataBuffer[id-1], 32114), {name: "", unit: "kWh"});
}

function ProcessDeviceInfo(id) {      
    // Note: Manual says its quantitiy is 15, but that is the number (+1) of 8bit characters
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".Model",  getZeroTerminatedString(GlobalDataBuffer[id-1], 30000, 8), {name: "", unit: ""}); 
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".SN",     getZeroTerminatedString(GlobalDataBuffer[id-1], 30015, 6), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".PN",     getZeroTerminatedString(GlobalDataBuffer[id-1], 30025, 6), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".ModelID",           getU16(GlobalDataBuffer[id-1], 30070), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".PVStrings",         getU16(GlobalDataBuffer[id-1], 30071), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".MPPTrackers",       getU16(GlobalDataBuffer[id-1], 30072), {name: "", unit: ""});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".MaxRatedPower",     getU32(GlobalDataBuffer[id-1], 30073) / 1000, {name: "", unit: "kW"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".MaxActivePower",    getU32(GlobalDataBuffer[id-1], 30075) / 1000, {name: "", unit: "kW"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".MaxApparentPower",  getU32(GlobalDataBuffer[id-1], 30077) / 1000, {name: "", unit: "kVA"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".MaxReactivePowerToGrid",        getI32(GlobalDataBuffer[id-1], 30079) / 1000, {name: "", unit: "kVAr"});
    forcesetState("Solarpower2.Huawei.Inverter." + id + ".MaxReactivePowerFromGrid",      getI32(GlobalDataBuffer[id-1], 30081) / 1000, {name: "", unit: "kVAr"});
}

function readRegisterSpace(id, address, length) {
    client.setID(ModBusIDs[id-1]);
    client.readHoldingRegisters(address, length, function(err, data) {
        if (err) {
            console.warn("Error received reading address " + address + " from id: " + ModBusIDs[id-1] + " with error: " + modbusErrorMessages[err.modbusCode]);            
        }
        else
        {   
            console.debug("Read data from id/address " + ModBusIDs[id-1] + "/" + address + "\nData is: " + data.data);
            for(var i = 0; i < length; i++)  {
                GlobalDataBuffer[id-1][address+i] = data.data[i];
            } 
        }
    });
}

function processData() {
    console.log("Processing new data...");
    for(var i = 1; i <= ModBusIDs.length; i++) {
        ProcessDeviceInfo(i);
        processInverterStatus(i);
        processBattery(i);
        processInverterPowerAdjustments(i);
        processOptimizers(i); 
    }    
    ProcessPowerMeterStatus();
    console.log("Processing done!");
}


// -------------------------------------------------------------------
// This is the main function triggering a  read via modbus-tcp every two seconds.
// Processing of data is triggered as soon as one complete set of registers is copied.
var triggerprocessing = 0; 
var currentinverter = 1;


setInterval(function() {
    if(triggerprocessing == 1) {
        triggerprocessing = 0;
        processData();        
    }      
   
    console.log("Triggering read of inverter " + currentinverter + " at address " + RegisterSpacesToReadContinuously[RegisterSpacesToReadContinuouslyPtr][0] + " with length " +  RegisterSpacesToReadContinuously[RegisterSpacesToReadContinuouslyPtr][1]);
    readRegisterSpace(currentinverter, RegisterSpacesToReadContinuously[RegisterSpacesToReadContinuouslyPtr][0], RegisterSpacesToReadContinuously[RegisterSpacesToReadContinuouslyPtr][1]); 
    RegisterSpacesToReadContinuouslyPtr++;               
    if(RegisterSpacesToReadContinuouslyPtr >= RegisterSpacesToReadContinuously.length) {
        RegisterSpacesToReadContinuouslyPtr = 0;
        currentinverter++
        if(currentinverter > ModBusIDs.length){
            currentinverter = 1;  
            triggerprocessing = 1;                    
        }
    }     
}, 2000);

[Alex Warkentin]

@striegel26 Bist du sicher, dass dein Powermeter die ID 11 hat und hast du zwei Wechselrichter mit 16 und 1?

Was sagen denn deine Protokolle?

[striegel26]

@alex-warkentin ja mir kam das auch komisch vor mit der ID11 aber schau ...... oder verstehe ich da was falsch? WR mit 16 und 1 mein fehler 16 ist gelöscht natürlich.

Log_PV.txt

[Alex Warkentin]

@striegel26 Ich bin mir da nicht sicher. Bei mir steht dort auch die 11 drin, aber ich habe die 0 von Anfang an stehen gelassen und damit funktioniert es.

[striegel26]

@alex-warkentin Oh man ja die 0 ist es !!! Danke dir Jetzt funktioniert alles

[juggi1962]

Hallo an alle Wissenden
Funktioniert dieses Skript auch ohne Speicher?
Ich hab leider keinen Speicher was muss ich dann daran ändern.
Für mich ist JS Neuland.
Wäre schön wenn mir jemand helfen könnte.
Danke im Voraus Gruß Jürgen.

javascript.0
2023-03-05 09:56:27.826	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38200 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:25.826	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37800 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:23.824	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37700 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:21.826	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:19.823	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 32000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:17.823	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37100 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:15.823	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 30000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:13.821	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 35300 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:11.820	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38400 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:09.820	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38300 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:07.819	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38200 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:05.819	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37800 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:03.820	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37700 from id: undefined with error: undefined

javascript.0
2023-03-05 09:56:01.819	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:59.817	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 32000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:57.817	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37100 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:55.817	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 30000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:53.817	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 35300 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:51.818	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38400 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:49.816	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38300 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:47.816	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 38200 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:45.815	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37800 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:43.815	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37700 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:41.815	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:39.815	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 32000 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:37.814	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 37100 from id: undefined with error: undefined

javascript.0
2023-03-05 09:55:35.814	warn	script.js.Test.Modbus_Huawei_Sun_2000: Error received reading address 30000 from id: undefined with error: undefined

[ATARI]

@juggi1962

Bin auch nicht so fit in js..
ändere mal die Einstellung für den Speicher.

zum Bsp.:
const BatteryUnits = [0, 0];

Gruß
ATARI

Edit:
Deinem Log zufolge bekommst Du keine Daten von der Anlage.
Hast Du in den Kom.einstellung des Wechselrichters den ModBus
aktiviert?

[ATARI]

@kachel

Vielen Dank für das Script und Deine Arbeit !

Wie kann ich den Abfrage Intervall nach einem Durchlauf verzögern
oder nur einmal pro Minute oder alle 5 Minuten starten lassen?
Ein Timer mit: von Uhrzeit bis Uhrzeit alle x Minuten wäre auch super.

Momentan bekommt das Script irgendwann im Laufe des Tages keine
Daten mehr und erzeugt nur noch Fehlermeldungen.
In diesem Fall hilft nur: das Script stoppen und nach einigen Minuten
wieder starten.

Gruß
ATARI

Edit:
Würde Dir für Deine Arbeit 'nen Kaffee oder 'n Bier spendieren.

[Alex Warkentin]

@juggi1962
Der Fehler besagt, dass deine ID für den Wechselrichter "undefined" ist. Welche ID hast du im Script eingestellt und hast du sie mit deinen aktuellen Einstellungen abgeglichen?

[Alex Warkentin]

@atari
Das Abfrageintervall kannst du in der letzten Zeile des Scripts in ms einstellen. Dein Problem liegt wohl aber weniger am Intervall (dann kommt zwischendurch eine Warnung, dass das Gerät beschäftigt ist), sondern, dass das Script beim Verlust der Modbus-Verbindung diese nicht wieder automatisch aufbaut.

[juggi1962]

@alex-warkentin
Danke für deine Antwort. Soweit funktioniert jetzt alles.
Gibt es eigentlich eine Möglichkeit die Infos auszuschalten denn so sehe ich im Log ja nur mehr diese von dem Skript.
Danke für eure Hilfe

[juggi1962]

@atari sagte in Huawei Sun2000 & ioBroker via JS script funktioniert:

@juggi1962

Bin auch nicht so fit in js..
ändere mal die Einstellung für den Speicher.

zum Bsp.:
const BatteryUnits = [0, 0];

Gruß
ATARI

Edit:
Deinem Log zufolge bekommst Du keine Daten von der Anlage.
Hast Du in den Kom.einstellung des Wechselrichters den ModBus
aktiviert?

Danke für deine Antwort. Soweit läuft jetzt alles

[Alex Warkentin]

@juggi1962
Suche mal im Script mit STRG + F nach "console.log" und setze überall, wo dich die Information nicht interessiert "//" vor die Zeile.

[juggi1962]

@alex-warkentin
Super Danke, werde ich gleich probieren

[juggi1962]

@atari sagte in Huawei Sun2000 & ioBroker via JS script funktioniert:

@kachel

Vielen Dank für das Script und Deine Arbeit !

Wie kann ich den Abfrage Intervall nach einem Durchlauf verzögern
oder nur einmal pro Minute oder alle 5 Minuten starten lassen?
Ein Timer mit: von Uhrzeit bis Uhrzeit alle x Minuten wäre auch super.

Momentan bekommt das Script irgendwann im Laufe des Tages keine
Daten mehr und erzeugt nur noch Fehlermeldungen.
In diesem Fall hilft nur: das Script stoppen und nach einigen Minuten
wieder starten.

Gruß
ATARI

Edit:
Würde Dir für Deine Arbeit 'nen Kaffee oder 'n Bier spendieren.

Ich habe leider das selbe Problem. Eine Weile läuft alles bestens und dann nur mehr Fehler.
Neustart und es läuft wieder ein Weilchen.

[juggi1962]

@alex-warkentin sagte in Huawei Sun2000 & ioBroker via JS script funktioniert:

@atari
Das Abfrageintervall kannst du in der letzten Zeile des Scripts in ms einstellen. Dein Problem liegt wohl aber weniger am Intervall (dann kommt zwischendurch eine Warnung, dass das Gerät beschäftigt ist), sondern, dass das Script beim Verlust der Modbus-Verbindung diese nicht wieder automatisch aufbaut.

Ich habe das selbe Problem.
Ich habe eine LAN Verbindung also sollte fie Verbindung bleiben, oder verstehe ich da was falsch? was kann man da machen

[Alex Warkentin]

@juggi1962 Poste mal die Logs, wenn der Fehler auftritt

Hier ist das Script, was ich für mich angepasst habe. Achtung! Ich habe die Batterie und andere für mich uninteressante Sachen rausgeschmissen und die Namen von Variablen und Funktionen angepasst. Für die Neuverbindung nach Verbindungsabbruch brauchst du die Zeilen 18 - 27 , 107-122 und 235 -237

// License: Beerware! Do what ever you like with this, but I'm not liable for anything that you do with it.
// If you like this code, feel free to buy me a beer ...
// Have fun with it! der Kachel
// @ts-ignore
var modbusRTU = require("modbus-serial");
var client = new modbusRTU();

var modbusErrorMessages = [
    "Unknown error",
    "Illegal function (device does not support this read/write function)",
    "Illegal data address (register not supported by device)",
    "Illegal data value (value cannot be written to this register)",
    "Slave device failure (device reports internal error)",
    "Acknowledge (requested data will be available later)",
    "Slave device busy (retry request again later)"
];

// Enter your inverter modbus IP and port here:
const modbusHost = "000.000.000.000";
const modbusPort = 502;
// Enter the Modbus-IDs of your Sun2000 inverters here:
const modbusID = [1];
// On which Modbus-ID can we reach the power meter? (via Sun2000!)
const powerMeterID = 0;

// Connect to modbus client
ConnectModbus();

// These register spaces need to be read:
const registerSpacesToReadContinuously = [[37100, 114], [32000, 116]];
var registerSpacesToReadContinuouslyPtr = 0;

var globalDataBuffer = new Array(1);
globalDataBuffer[0] = new Array(50000); // not optimized....

// ---------------------------------------------------------------
// Some helper functions:
function ReadUnsignedInt16(array) {
    var value = array[0];    
    return value;
}

function ReadUnsignedInt32(array) {
    var value = array[0] * 256 * 256 + array[1];    
    return value;
}

function ReadSignedInt16(array) {
    var value = 0;
    if (array[0] > 32767)
        value = array[0] - 65535; 
    else
        value = array[0];

    return value;
}
function ReadSignedInt32(array) {
    var value = 0;
    for (var i = 0; i < 2; i++) {
        value = (value << 16) | array[i];
    }
    return value;
}
function GetU16(dataarray, index) {
    var value = ReadUnsignedInt16(dataarray.slice(index, index+1));
    return value;
}

function GetU32(dataarray, index) {
    var value = ReadUnsignedInt32(dataarray.slice(index, index+2));
    return value;
}

function GetI16(dataarray, index) {
    var value = ReadSignedInt16(dataarray.slice(index, index+1));
    return value;
}

function GetI32(dataarray, index) {
    var value = ReadSignedInt32(dataarray.slice(index, index+2));
    return value;
}

function GetString(dataarray, index, length) {
    var shortarray = dataarray.slice(index, index+length);
    var bytearray = [];
    for(var i = 0; i < length; i++) {
        bytearray.push(dataarray[index+i] >> 8);
        bytearray.push(dataarray[index+i] & 0xff);
    }       
    var value =  String.fromCharCode.apply(null, bytearray);    
    return value;
}

function GetZeroTerminatedString(dataarray, index, length) {
    var shortarray = dataarray.slice(index, index+length);
    var bytearray = [];
    for(var i = 0; i < length; i++) {
        bytearray.push(dataarray[index+i] >> 8);
        bytearray.push(dataarray[index+i] & 0xff);
    }       
    var value =  String.fromCharCode.apply(null, bytearray);    
    var value2 = new String(value).trim();
    return value2;
}

// Funktion zum Herstellen einer Modbus-Verbindung
function ConnectModbus() {
    console.log("Init connection to: " + modbusHost +":" + modbusPort);
    // set requests parameters
    client.setTimeout (10000);
    // try to connect
    client.connectTCP (modbusHost, { port: modbusPort })
        .then(function()
        {
            console.log("Connected, wait for reading...");
        })
        .catch(function(e)
        {
            console.log(e);
        });
}

// Funktion zum Anlegen und Beschreiben eines Datenpunkts
function ForceSetState(objectname, value, options) {
    if(!existsState("javascript.0." + objectname))      createState(objectname, value, options);
    else                                                setState(objectname, value);
}  
// ---------------------------------------------------------------
// Functions to map registers into ioBreaker objects:
function ProcessPowerMeterStatus() {       
    ForceSetState("Solarpower.Huawei.Meter.Status",                     GetU16(globalDataBuffer[powerMeterID], 37100),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Meter.VoltageL1",                  GetI32(globalDataBuffer[powerMeterID], 37101) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Meter.VoltageL2",                  GetI32(globalDataBuffer[powerMeterID], 37103) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Meter.VoltageL3",                  GetI32(globalDataBuffer[powerMeterID], 37105) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Meter.CurrentL1",                  GetI32(globalDataBuffer[powerMeterID], 37107) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Meter.CurrentL2",                  GetI32(globalDataBuffer[powerMeterID], 37109) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Meter.CurrentL3",                  GetI32(globalDataBuffer[powerMeterID], 37111) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Meter.ActivePower",                GetI32(globalDataBuffer[powerMeterID], 37113) / 1,      {name: "", unit: "W"});
    ForceSetState("Solarpower.Huawei.Meter.ReactivePower",              GetI32(globalDataBuffer[powerMeterID], 37115) / 1,      {name: "", unit: "Var"});
    ForceSetState("Solarpower.Huawei.Meter.PowerFactor",                GetI16(globalDataBuffer[powerMeterID], 37117) / 1000,   {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Meter.GridFrequency",              GetI16(globalDataBuffer[powerMeterID], 37118) / 100,    {name: "", unit: "Hz"});
    ForceSetState("Solarpower.Huawei.Meter.PositiveActiveEnergy",       GetI32(globalDataBuffer[powerMeterID], 37119) / 100,    {name: "", unit: "kWh"});
    ForceSetState("Solarpower.Huawei.Meter.ReverseActiveEnergy",        GetI32(globalDataBuffer[powerMeterID], 37121) / 100,    {name: "", unit: "kWh"});
    ForceSetState("Solarpower.Huawei.Meter.AccumulatedReactivePower",   GetI32(globalDataBuffer[powerMeterID], 37123) / 100,    {name: "", unit: "kVarh"});
    //ForceSetState("Solarpower.Huawei.Meter.MeterType",                  GetU16(globalDataBuffer[powerMeterID], 37125),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Meter.VoltageL1-L2",               GetI32(globalDataBuffer[powerMeterID], 37126) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Meter.VoltageL2-L3",               GetI32(globalDataBuffer[powerMeterID], 37128) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Meter.VoltageL3-L1",               GetI32(globalDataBuffer[powerMeterID], 37130) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Meter.ActivePowerL1",              GetI32(globalDataBuffer[powerMeterID], 37132) / 1,      {name: "", unit: "W"});
    ForceSetState("Solarpower.Huawei.Meter.ActivePowerL2",              GetI32(globalDataBuffer[powerMeterID], 37134) / 1,      {name: "", unit: "W"});
    ForceSetState("Solarpower.Huawei.Meter.ActivePowerL3",              GetI32(globalDataBuffer[powerMeterID], 37136) / 1,      {name: "", unit: "W"});
    //ForceSetState("Solarpower.Huawei.Meter.MeterModel",                 GetU16(globalDataBuffer[powerMeterID], 37138),          {name: "", unit: ""});
}

function ProcessInverterStatus(id) {
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".State1",                   GetU16(globalDataBuffer[id-1], 32000),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".State2",                   GetU16(globalDataBuffer[id-1], 32002),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".State3",                   GetU32(globalDataBuffer[id-1], 32003),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Alarm1",                   GetU16(globalDataBuffer[id-1], 32008),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Alarm2",                   GetU16(globalDataBuffer[id-1], 32009),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Alarm3",                   GetU16(globalDataBuffer[id-1], 32010),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.1_Voltage",         GetI16(globalDataBuffer[id-1], 32016) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.1_Current",         GetI16(globalDataBuffer[id-1], 32017) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.2_Voltage",         GetI16(globalDataBuffer[id-1], 32018) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.2_Current",         GetI16(globalDataBuffer[id-1], 32019) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.3_Voltage",         GetI16(globalDataBuffer[id-1], 32020) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.3_Current",         GetI16(globalDataBuffer[id-1], 32021) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.4_Voltage",         GetI16(globalDataBuffer[id-1], 32022) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".String.4_Current",         GetI16(globalDataBuffer[id-1], 32023) / 100,    {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".InputPower",               GetI32(globalDataBuffer[id-1], 32064) / 1000,   {name: "", unit: "kW"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L1-L2_Voltage",       GetU16(globalDataBuffer[id-1], 32066) / 10,     {name: "", unit: "V"});      
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L2-L3_Voltage",       GetU16(globalDataBuffer[id-1], 32067) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L3-L1_Voltage",       GetU16(globalDataBuffer[id-1], 32068) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L1_Voltage",          GetU16(globalDataBuffer[id-1], 32069) / 10,     {name: "", unit: "V"});                              
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L2_Voltage",          GetU16(globalDataBuffer[id-1], 32070) / 10,     {name: "", unit: "V"});                                                  
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L3_Voltage",          GetU16(globalDataBuffer[id-1], 32071) / 10,     {name: "", unit: "V"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L1_Current",          GetI32(globalDataBuffer[id-1], 32072) / 1000,   {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L2_Current",          GetI32(globalDataBuffer[id-1], 32074) / 1000,   {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Grid.L3_Current",          GetI32(globalDataBuffer[id-1], 32076) / 1000,   {name: "", unit: "A"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".PeakActivePowerDay",       GetI32(globalDataBuffer[id-1], 32078) / 1000,   {name: "", unit: "kW"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".ActivePower",              GetI32(globalDataBuffer[id-1], 32080) / 1000,   {name: "", unit: "kW"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".ReactivePower",            GetI32(globalDataBuffer[id-1], 32082) / 1000,   {name: "", unit: "kVar"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".PowerFactor",              GetI16(globalDataBuffer[id-1], 32084) / 1000,   {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".GridFrequency",            GetU16(globalDataBuffer[id-1], 32085) / 100,    {name: "", unit: "Hz"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".Efficiency",               GetU16(globalDataBuffer[id-1], 32086) / 100,    {name: "", unit: "%"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".InternalTemperature",      GetI16(globalDataBuffer[id-1], 32087) / 10,     {name: "", unit: "°C"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".InsulationResistance",     GetU16(globalDataBuffer[id-1], 32088) / 1000,   {name: "", unit: "MOhm"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".DeviceStatus",             GetU16(globalDataBuffer[id-1], 32089),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".FaultCode",                GetU16(globalDataBuffer[id-1], 32090),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".StartupTime",              String(new Date(GetU32(globalDataBuffer[id-1], 32091)*1000)),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".ShutdownTime",             String(new Date(GetU32(globalDataBuffer[id-1], 32093)*1000)),          {name: "", unit: ""});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".AccomulatedEnergyYield",   GetU32(globalDataBuffer[id-1], 32106),          {name: "", unit: "kWh"});
    ForceSetState("Solarpower.Huawei.Inverter." + id + ".DailyEnergyYield",         GetU32(globalDataBuffer[id-1], 32114),          {name: "", unit: "kWh"});
}

function ReadRegisterSpace(id, address, length) {
    client.setID(modbusID[id-1]);
    client.readHoldingRegisters(address, length, function(err, data) {
        if (err) {
            console.warn("Error received reading address " + address + " from id: " + modbusID[id-1] + " with error: " + modbusErrorMessages[err.modbusCode]); 
        }
        else
        {   
            console.debug("Read data from id/address " + modbusID[id-1] + "/" + address + "\nData is: " + data.data);
            for(var i = 0; i < length; i++)  {
                globalDataBuffer[id-1][address+i] = data.data[i];
            } 
        }
    });
}

function ProcessData() {
    //console.log("Processing new data...");
    for(var i = 1; i <= modbusID.length; i++) {
        //ProcessDeviceInfo(i);
        ProcessInverterStatus(i);
        //processBattery(i);
        //processInverterPowerAdjustments(i);
        //processOptimizers(i); 
    }    
    ProcessPowerMeterStatus();
    //console.log("Processing done!");
}


// -------------------------------------------------------------------
// This is the main function triggering a  read via modbus-tcp every two seconds.
// Processing of data is triggered as soon as one complete set of registers is copied.
var triggerprocessing = 0; 
var currentinverter = 1;


setInterval(function() {
        if (!client.isOpen){
            ConnectModbus();
        }
        if(triggerprocessing == 1) {
        triggerprocessing = 0;
        ProcessData();        
        }      
   
    //console.log("Triggering read of inverter " + currentinverter + " at address " + registerSpacesToReadContinuously[registerSpacesToReadContinuouslyPtr][0] + " with length " +  registerSpacesToReadContinuously[registerSpacesToReadContinuouslyPtr][1]);
    ReadRegisterSpace(currentinverter, registerSpacesToReadContinuously[registerSpacesToReadContinuouslyPtr][0], registerSpacesToReadContinuously[registerSpacesToReadContinuouslyPtr][1]); 
    registerSpacesToReadContinuouslyPtr++;               
    if(registerSpacesToReadContinuouslyPtr >= registerSpacesToReadContinuously.length) {
        registerSpacesToReadContinuouslyPtr = 0;
        currentinverter++
        if(currentinverter > modbusID.length){
            currentinverter = 1;  
            triggerprocessing = 1;                    
        }
    }     
}, 3000);