ioBroker Tutorial-Reihe - Alfen-Wallbox per Modbus integrieren
Nachdem wir nun elektrisch fahren, musste natürlich auch eine integrierbare Lade-Lösung her. Nach etwas Recherche habe ich mich für die Alfen Single Pro-Line entschieden. Diese kann nicht nur per Software-Upgrade auf 22kW gebracht werden (was in ein paar Jahren ja interessant sein könnte), sondern hat auch viele Schnittstellen. Unter anderem kann man die Wallbox per Modbus in ein beliebiges anderes System aufnehmen. Wie genau das klappt, welche Register es gibt und wie man diese auslesen / schreiben kann, zeige ich Dir alles in diesem Beitrag.
Video
Register
Die folgenden Register stehen unter Slave-Address 200 zur Verfügung:
| Beschreibung | Start | Ende | Länge | Datentyp |
|---|---|---|---|---|
| Name | 100 | 116 | 17 | STRING |
| Manufacturer | 117 | 121 | 5 | STRING |
| Modbus table version | 122 | 122 | 1 | SIGNED16 |
| Firmware version | 123 | 139 | 17 | STRING |
| Platform type | 140 | 156 | 17 | STRING |
| Station serial number | 157 | 157 | 1 | STRING |
| Date year | 168 | 168 | 1 | SIGNED16 |
| Date month | 169 | 169 | 1 | SIGNED16 |
| Date day | 170 | 170 | 1 | SIGNED16 |
| Time hour | 171 | 171 | 1 | SIGNED16 |
| Time minute | 172 | 172 | 1 | SIGNED16 |
| Time second | 173 | 173 | 1 | SIGNED16 |
| Uptime | 174 | 177 | 4 | UNSIGNED64 |
| Time zone | 178 | 178 | 1 | SIGNED16 |
| Station Active Max Current | 1100 | 1101 | 2 | FLOAT32 |
| Temperature | 1102 | 1103 | 2 | FLOAT32 |
| OCPP state | 1104 | 1104 | 1 | UNSIGNED16 |
| Nr of sockets | 1105 | 1105 | 1 | UNSIGNED16 |
Da nicht alle Register interessant sind, hier eine gefilterte Liste mit relevanten Informationen:
| Beschreibung | Start | Ende | Länge | Datentyp |
|---|---|---|---|---|
| Name | 100 | 116 | 17 | STRING |
| Firmware version | 123 | 139 | 17 | STRING |
| Uptime | 174 | 177 | 4 | UNSIGNED64 |
| Temperature | 1102 | 1103 | 2 | FLOAT32 |
Die längere Liste mit Registern findet man dann unter Slave-Adress 1:
| Beschreibung | Start | Ende | Länge | Datentyp |
|---|---|---|---|---|
| Meter state | 300 | 300 | 1 | UNSIGNED16 |
| Meter type | 301 | 304 | 4 | UNSIGNED64 |
| Meter last value timestamp | 305 | 305 | 1 | UNSIGNED16 |
| Voltage Phase V(L1-N) | 306 | 307 | 2 | FLOAT32 |
| Voltage Phase V(L2-N) | 308 | 309 | 2 | FLOAT32 |
| Voltage Phase V(L3-N) | 310 | 311 | 2 | FLOAT32 |
| Voltage Phase V(L1-L2) | 312 | 313 | 2 | FLOAT32 |
| Voltage Phase V(L2-L3) | 314 | 315 | 2 | FLOAT32 |
| Voltage Phase V(L3-L1) | 316 | 317 | 2 | FLOAT32 |
| Current N | 318 | 319 | 2 | FLOAT32 |
| Current Phase L1 | 320 | 321 | 2 | FLOAT32 |
| Current Phase L2 | 322 | 323 | 2 | FLOAT32 |
| Current Phase L3 | 324 | 325 | 2 | FLOAT32 |
| Current Sum | 326 | 327 | 2 | FLOAT32 |
| Power Factor Phase L1 | 328 | 329 | 2 | FLOAT32 |
| Power Factor Phase L2 | 330 | 331 | 2 | FLOAT32 |
| Power Factor Phase L3 | 332 | 333 | 2 | FLOAT32 |
| Power Factor Sum | 334 | 335 | 2 | FLOAT32 |
| Frequency | 336 | 337 | 2 | FLOAT32 |
| Real Power Phase L1 | 338 | 339 | 2 | FLOAT32 |
| Real Power Phase L2 | 340 | 341 | 2 | FLOAT32 |
| Real Power Phase L3 | 342 | 343 | 2 | FLOAT32 |
| Real Power Sum | 344 | 345 | 2 | FLOAT32 |
| Apparent Power Phase L1 | 346 | 347 | 2 | FLOAT32 |
| Apparent Power Phase L2 | 348 | 349 | 2 | FLOAT32 |
| Apparent Power Phase L3 | 350 | 351 | 2 | FLOAT32 |
| Apparent Power Sum | 352 | 353 | 2 | FLOAT32 |
| Reactive Power Phase L1 | 354 | 355 | 2 | FLOAT32 |
| Reactive Power Phase L2 | 356 | 357 | 2 | FLOAT32 |
| Reactive Power Phase L3 | 358 | 359 | 2 | FLOAT32 |
| Reactive Power Sum | 360 | 361 | 2 | FLOAT32 |
| Real Energy Delivered Phase L1 | 362 | 365 | 4 | FLOAT64 |
| Real Energy Delivered Phase L2 | 366 | 369 | 4 | FLOAT64 |
| Real Energy Delivered Phase L3 | 370 | 377 | 4 | FLOAT64 |
| Real Energy Delivered Sum | 374 | 377 | 4 | FLOAT64 |
| Real Energy Consumed Phase L1 | 378 | 381 | 4 | FLOAT64 |
| Real Energy Consumed Phase L2 | 382 | 385 | 4 | FLOAT64 |
| Real Energy Consumed Phase L3 | 386 | 389 | 4 | FLOAT64 |
| Real Energy Consumed Sum | 390 | 393 | 4 | FLOAT64 |
| Apparent Energy Phase L1 | 394 | 397 | 4 | FLOAT64 |
| Apparent Energy Phase L2 | 398 | 401 | 4 | FLOAT64 |
| Apparent Energy Phase L3 | 402 | 405 | 4 | FLOAT64 |
| Apparent Energy Sum | 406 | 409 | 4 | FLOAT64 |
| Reactive Energy Phase L1 | 410 | 413 | 4 | FLOAT64 |
| Reactive Energy Phase L2 | 414 | 417 | 4 | FLOAT64 |
| Reactive Energy Phase L3 | 418 | 421 | 4 | FLOAT64 |
| Reactive Energy Sum | 422 | 425 | 4 | FLOAT64 |
| Availability | 1200 | 1200 | 1 | UNSIGNED16 |
| Mode 3 state | 1201 | 1205 | 5 | STRING |
| Active Max Current | 1206 | 1207 | 2 | FLOAT32 |
| Max Current valid time | 1208 | 1209 | 2 | UNSIGNED32 |
| Max Current | 1210 | 1211 | 2 | FLOAT32 |
| Safe Current | 1212 | 1213 | 2 | FLOAT32 |
| Max Current enable | 1214 | 1214 | 1 | UNSIGNED16 |
| Charge phases | 1215 | 1215 | 1 | UNSIGNED16 |
Davon sind allerdings auch längst nicht alle Infos spannend. Ich würde nur die folgenden Register anlegen:
| Beschreibung | Start | Ende | Länge | Datentyp |
|---|---|---|---|---|
| Voltage Phase V(L1-N) | 306 | 307 | 2 | FLOAT32 |
| Voltage Phase V(L2-N) | 308 | 309 | 2 | FLOAT32 |
| Voltage Phase V(L3-N) | 310 | 311 | 2 | FLOAT32 |
| Current Phase L1 | 320 | 321 | 2 | FLOAT32 |
| Current Phase L2 | 322 | 323 | 2 | FLOAT32 |
| Current Phase L3 | 324 | 325 | 2 | FLOAT32 |
| Frequency | 336 | 337 | 2 | FLOAT32 |
| Real Power Sum | 344 | 345 | 2 | FLOAT32 |
| Real Energy Delivered Sum | 374 | 377 | 4 | FLOAT64 |
| Active Max Current | 1206 | 1207 | 2 | FLOAT32 |
| Max Current valid time | 1208 | 1209 | 2 | UNSIGNED32 |
| Max Current | 1210 | 1211 | 2 | FLOAT32 |
| Safe Current | 1212 | 1213 | 2 | FLOAT32 |
| Charge phases | 1215 | 1215 | 1 | UNSIGNED16 |
Besonders spannend ist das Register 1215, welches die Umschaltung zwischen 1- und 3-phasigem laden erlaubt. Dort kann man eine 1 oder eine 3 schreiben. Dazu aber wann anders etwas mehr.
JavaScript
Blockly weiter unten
const kWhPrice = 0.28;
let startWh = 0;
let charging = false;
createState('0_userdata.0.energy.wallbox.lastChargingkWh', {
name: 'Charged kWh',
type: 'number',
unit: 'kWh',
role: 'value'
});
createState('0_userdata.0.energy.wallbox.currentChargingkWh', {
name: 'Charged kWh',
type: 'number',
unit: 'kWh',
role: 'value'
});
createState('0_userdata.0.energy.wallbox.totalPrice', {
name: 'Price for charging',
type: 'number',
unit: '€',
role: 'value'
});
on({id: 'modbus.0.holdingRegisters.1.41202_Mode_3 State', change: 'ne'}, async (obj) => {
const value = String(obj.state.val);
if (!charging && value.startsWith('C')) {
charging = true;
startWh = getState('modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum').val;
sendTo('pushover', 'send', {
message: 'Ladevorgang gestartet.',
sound: '',
title: 'Wallbox'
});
} else if (charging && !value.startsWith('C')) {
charging = false;
// Noch kurz warten, damit sich der Zähler nochmal aktualisieren kann
setTimeout(async () => {
const kWhCharged = (getState('modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum').val - startWh) / 1000;
const chargingCosts = kWhCharged * kWhPrice;
setState('0_userdata.0.energy.wallbox.lastChargingkWh', kWhCharged, true);
setState('0_userdata.0.energy.wallbox.currentChargingkWh', 0, true);
sendTo('pushover', 'send', {
message: `Laden abgeschlossen. ${formatValue(kWhCharged, 3)} kWh geladen. Preis: ${formatValue(chargingCosts, 2)} €.`,
sound: '',
title: 'Wallbox'
});
}, 5000);
}
});
schedule('*/10 * * * * *', async () => {
if (charging) {
// Alle 10 Sekunden die geladenen kWh in einen Datenpunkt schreiben
const kWhCharged = (getState('modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum').val - startWh) / 1000;
setState('0_userdata.0.energy.wallbox.currentChargingkWh', kWhCharged, true);
}
});
on({id: 'modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum', change: 'ne'}, async (obj) => {
const value = obj.state.val;
setState('0_userdata.0.energy.wallbox.totalPrice', Math.round((value / 1000 * kWhPrice) * 100) / 100, true);
});
Blockly-Script
Das Blockly-Script aus dem Video kannst Du hier einfach kopieren und importieren.
<xml xmlns="https://developers.google.com/blockly/xml">
<variables>
<variable id="bvIdrI/KD0F#xDpn5ZA9">charging</variable>
<variable id=")7(cpn3ml1ALb@RqN4{T">startWh</variable>
<variable type="timeout" id="timeout">timeout</variable>
<variable id="l/fHA:kG3u53]imug=L@">kWhCharged</variable>
<variable id="Rt*eqqg?Wq9]76Gy^^^I">chargingCosts</variable>
</variables>
<block type="create" id="=*VwIKX4mMR{/)vzJdEv" x="113" y="-88">
<field name="NAME">lastChargingkWh</field>
<value name="COMMON">
<block type="text" id="?OFFY]/tD62$Vho9dX2e">
<field name="TEXT">{"name": "Charged kWh", "type": "number", "unit": "kWh", "role": "value"}</field>
</block>
</value>
<next>
<block type="create" id="yDb]E#Bb#)8idLKALM9%">
<field name="NAME">currentChargingkWh</field>
<value name="COMMON">
<block type="text" id="4$:aF~4o7fsocFdIB~5a">
<field name="TEXT">{"name": "Charged kWh", "type": "number", "unit": "kWh", "role": "value"}</field>
</block>
</value>
<next>
<block type="variables_set" id="BINa1GAmgM:yVfe3`WpM">
<field name="VAR" id="bvIdrI/KD0F#xDpn5ZA9">charging</field>
<value name="VALUE">
<block type="logic_boolean" id="R$quShY!c~S+HdIr{,lD">
<field name="BOOL">FALSE</field>
</block>
</value>
<next>
<block type="variables_set" id="ddZm_:,Ji;BYd5R;+i9N">
<field name="VAR" id=")7(cpn3ml1ALb@RqN4{T">startWh</field>
<value name="VALUE">
<block type="math_number" id="le[ov~Xx6oG90$+p3Y_)">
<field name="NUM">0</field>
</block>
</value>
<next>
<block type="on" id="%RpeyRRH,~7P8H[)_dMz">
<field name="OID">modbus.0.holdingRegisters.1.41202_Mode_3 State</field>
<field name="CONDITION">ne</field>
<field name="ACK_CONDITION"></field>
<statement name="STATEMENT">
<block type="controls_if" id="ZPN0WhA#[QpD6g+nU#cB">
<mutation elseif="1"></mutation>
<value name="IF0">
<block type="logic_operation" id="*w{KmXD`ch[ts+jKG8ot" inline="false">
<field name="OP">AND</field>
<value name="A">
<block type="logic_negate" id="tq}Y{rkzS(OO6rcupyRH">
<value name="BOOL">
<block type="variables_get" id="3|mmUTcq:Y_{~DzVYKZB">
<field name="VAR" id="bvIdrI/KD0F#xDpn5ZA9">charging</field>
</block>
</value>
</block>
</value>
<value name="B">
<block type="logic_compare" id="PO4F,c:}2Y8qyX1:KIZt">
<field name="OP">EQ</field>
<value name="A">
<block type="text_charAt" id="4lV=@yQjMU79_!sgt2=5">
<mutation at="true"></mutation>
<field name="WHERE">FROM_START</field>
<value name="VALUE">
<block type="on_source" id="VheG_l,=r`utiN.S/~ZG">
<field name="ATTR">state.val</field>
</block>
</value>
<value name="AT">
<block type="math_number" id="z._@fipL|s2QJ.|B,(Io">
<field name="NUM">1</field>
</block>
</value>
</block>
</value>
<value name="B">
<block type="text" id="i?b:UL#-=2cxp@]$;0H9">
<field name="TEXT">C</field>
</block>
</value>
</block>
</value>
</block>
</value>
<statement name="DO0">
<block type="variables_set" id="kW/y5vMvS);}}JAulV^j">
<field name="VAR" id="bvIdrI/KD0F#xDpn5ZA9">charging</field>
<value name="VALUE">
<block type="logic_boolean" id="lAGa]Qrj{bP$+`ToV+-f">
<field name="BOOL">TRUE</field>
</block>
</value>
<next>
<block type="variables_set" id="Zz53S8#;1NNJ/K;~T6`q">
<field name="VAR" id=")7(cpn3ml1ALb@RqN4{T">startWh</field>
<value name="VALUE">
<block type="get_value" id="iNh!aF[dZMnj3=19).E+">
<field name="ATTR">val</field>
<field name="OID">modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum</field>
</block>
</value>
<next>
<block type="pushover" id="lst6ts?4)`#}3upcr`n`">
<field name="INSTANCE"></field>
<field name="SOUND"></field>
<field name="PRIORITY">0</field>
<field name="LOG"></field>
<value name="MESSAGE">
<shadow type="text" id="SgO/:Ct7{0-%~#8^KW}3">
<field name="TEXT"></field>
</shadow>
<block type="text" id="wU/G.vvB,[+(axO,YO;4">
<field name="TEXT">Ladevorgang gestartet.</field>
</block>
</value>
<value name="TITLE">
<block type="text" id="cCbuvO^oEdC%K-X9Ka_h">
<field name="TEXT">Wallbox</field>
</block>
</value>
</block>
</next>
</block>
</next>
</block>
</statement>
<value name="IF1">
<block type="logic_operation" id="x,Vb/Hi%@5zd3f*}t^H@" inline="false">
<field name="OP">AND</field>
<value name="A">
<block type="variables_get" id="B7;`T_%ZJYeUu9)Vsl_l">
<field name="VAR" id="bvIdrI/KD0F#xDpn5ZA9">charging</field>
</block>
</value>
<value name="B">
<block type="logic_compare" id="MBVGem~hfIh7K7v/UMcb">
<field name="OP">NEQ</field>
<value name="A">
<block type="text_charAt" id="5A}?V!7|]ZTGD2Twz##q">
<mutation at="true"></mutation>
<field name="WHERE">FROM_START</field>
<value name="VALUE">
<block type="on_source" id="QfEm.~;^n`}?Z7FV/WWO">
<field name="ATTR">state.val</field>
</block>
</value>
<value name="AT">
<block type="math_number" id=";-9GTO5q_4@n~n8=S9/[">
<field name="NUM">1</field>
</block>
</value>
</block>
</value>
<value name="B">
<block type="text" id="?x|A[I+|YA]sKc?[NTTZ">
<field name="TEXT">C</field>
</block>
</value>
</block>
</value>
</block>
</value>
<statement name="DO1">
<block type="variables_set" id="SQsWCOk+t/y#]$8lQ5ya">
<field name="VAR" id="bvIdrI/KD0F#xDpn5ZA9">charging</field>
<value name="VALUE">
<block type="logic_boolean" id="!r{cQu74IXQLNRsFO3LQ">
<field name="BOOL">FALSE</field>
</block>
</value>
<next>
<block type="comment" id="(T=O)C/XDO`e^OS1K**5">
<field name="COMMENT">Noch kurz warten, damit sich der Zähler nochmal aktualisieren kann</field>
<next>
<block type="timeouts_settimeout" id="Q6eqy/{K%`#Wb@*#W]=L">
<field name="NAME">timeout</field>
<field name="DELAY">5</field>
<field name="UNIT">sec</field>
<statement name="STATEMENT">
<block type="variables_set" id="4a9x:WNq2/wvXrnbtb[]">
<field name="VAR" id="l/fHA:kG3u53]imug=L@">kWhCharged</field>
<value name="VALUE">
<block type="math_arithmetic" id="_e#B2CHMBE4N*4rP9!!q">
<field name="OP">DIVIDE</field>
<value name="A">
<shadow type="math_number" id="WmHIe%7QvM@!-Y;:AmC_">
<field name="NUM">1</field>
</shadow>
<block type="math_arithmetic" id="K@Z#2c]xPp1^|k0/xG6.">
<field name="OP">MINUS</field>
<value name="A">
<shadow type="math_number" id="{E5AW9S(08]Ebp5!N,SH">
<field name="NUM">1</field>
</shadow>
<block type="get_value" id="4C`*Jo_Nm]rGv#4pgLcL">
<field name="ATTR">val</field>
<field name="OID">modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum</field>
</block>
</value>
<value name="B">
<shadow type="math_number" id=")9|n7jlEWOkz7]Ht(^i`">
<field name="NUM">1</field>
</shadow>
<block type="variables_get" id="74fd-e!-q:4a}A:%2Zhh">
<field name="VAR" id=")7(cpn3ml1ALb@RqN4{T">startWh</field>
</block>
</value>
</block>
</value>
<value name="B">
<shadow type="math_number" id="erK#xD|saV8|o5UZ(?fx">
<field name="NUM">1000</field>
</shadow>
</value>
</block>
</value>
<next>
<block type="variables_set" id="c9IX!R;RAwTB:|F4LB@0">
<field name="VAR" id="Rt*eqqg?Wq9]76Gy^^^I">chargingCosts</field>
<value name="VALUE">
<block type="math_arithmetic" id="i_rAj3PAQ*}h$?;v8A#s">
<field name="OP">MULTIPLY</field>
<value name="A">
<shadow type="math_number" id="+iR+{JaRX9)8m(=9~{7O">
<field name="NUM">1</field>
</shadow>
<block type="variables_get" id="Wb#cklOVBR_e6#Ryf}PB">
<field name="VAR" id="l/fHA:kG3u53]imug=L@">kWhCharged</field>
</block>
</value>
<value name="B">
<shadow type="math_number" id="8Iwmb]r%jc4dZ`g/;/]Y">
<field name="NUM">0.28</field>
</shadow>
</value>
</block>
</value>
<next>
<block type="update" id="`Vp1(QZ%bEPZNNpA$r)T">
<mutation xmlns="http://www.w3.org/1999/xhtml" delay_input="false"></mutation>
<field name="OID">javascript.0.lastChargingkWh</field>
<field name="WITH_DELAY">FALSE</field>
<value name="VALUE">
<block type="variables_get" id="#wxV]x]pY#Phegup65:=">
<field name="VAR" id="l/fHA:kG3u53]imug=L@">kWhCharged</field>
</block>
</value>
<next>
<block type="update" id="cXqv#(TWP*#[NfYa:ub!">
<mutation xmlns="http://www.w3.org/1999/xhtml" delay_input="false"></mutation>
<field name="OID">javascript.0.currentChargingkWh</field>
<field name="WITH_DELAY">FALSE</field>
<value name="VALUE">
<block type="math_number" id="ol=hR?|n6PuTz+0x|L0F">
<field name="NUM">0</field>
</block>
</value>
<next>
<block type="pushover" id="$h6}gW)tl:t({QeEW5fg">
<field name="INSTANCE"></field>
<field name="SOUND"></field>
<field name="PRIORITY">0</field>
<field name="LOG"></field>
<value name="MESSAGE">
<shadow type="text" id="~1C-1Rwp~_}nSWXu-OnE">
<field name="TEXT"></field>
</shadow>
<block type="text_join" id=";P#*2zRsF3g1__QWeo=b">
<mutation items="5"></mutation>
<value name="ADD0">
<block type="text" id="Yp(~(0bEoaRE;mFO2Y_=">
<field name="TEXT">Laden abgeschlossen. </field>
</block>
</value>
<value name="ADD1">
<block type="math_rndfixed" id="^:FngU%?d?0:7gR;P:EP">
<field name="n">1</field>
<value name="x">
<shadow type="math_number" id="3:4mg+4EGai~U9]=*lW%">
<field name="NUM">3.1234</field>
</shadow>
<block type="variables_get" id="{D:e0mhd[:(z9Ss|^AwA">
<field name="VAR" id="l/fHA:kG3u53]imug=L@">kWhCharged</field>
</block>
</value>
</block>
</value>
<value name="ADD2">
<block type="text" id=",w+P}~C$gQHUP:zwOLgU">
<field name="TEXT"> kWh geladen. Preis: </field>
</block>
</value>
<value name="ADD3">
<block type="math_rndfixed" id="!-zaX@=zUTx`)(h-=#,%">
<field name="n">2</field>
<value name="x">
<shadow type="math_number" id="_QT42-3W~d+se:a+Z6)q">
<field name="NUM">3.1234</field>
</shadow>
<block type="variables_get" id="8|8/fP$=;AD:z%75m:-{">
<field name="VAR" id="Rt*eqqg?Wq9]76Gy^^^I">chargingCosts</field>
</block>
</value>
</block>
</value>
<value name="ADD4">
<block type="text" id="WOK3rKD)z#/YBK~/-gBv">
<field name="TEXT"> €.</field>
</block>
</value>
</block>
</value>
<value name="TITLE">
<block type="text" id="7xmE?h]%,bzvrJ[4Ca{=">
<field name="TEXT">Wallbox</field>
</block>
</value>
</block>
</next>
</block>
</next>
</block>
</next>
</block>
</next>
</block>
</statement>
</block>
</next>
</block>
</next>
</block>
</statement>
</block>
</statement>
<next>
<block type="schedule" id="Wdo=_Y4fb5%yOD4to-i)">
<field name="SCHEDULE">*/10 * * * * *</field>
<statement name="STATEMENT">
<block type="controls_if" id="0I6q+MTZ#}ZuP*;s8%,J">
<value name="IF0">
<block type="variables_get" id="vT.z=D+;9|G^HBi~!$nY">
<field name="VAR" id="bvIdrI/KD0F#xDpn5ZA9">charging</field>
</block>
</value>
<statement name="DO0">
<block type="comment" id=";b1JE6qYesP25bEiyX/p">
<field name="COMMENT">Alle x Sekunden die geladenen kWh in einen Datenpunkt schreiben</field>
<next>
<block type="update" id="%(+,cxzx,*$wFV%^XZBC">
<mutation xmlns="http://www.w3.org/1999/xhtml" delay_input="false"></mutation>
<field name="OID">javascript.0.currentChargingkWh</field>
<field name="WITH_DELAY">FALSE</field>
<value name="VALUE">
<block type="math_arithmetic" id="yD~S=MVeh^y@OXWIT3k=">
<field name="OP">DIVIDE</field>
<value name="A">
<shadow type="math_number">
<field name="NUM">1</field>
</shadow>
<block type="math_arithmetic" id="F%/*h)!5Pf#x)N}f[K-X">
<field name="OP">MINUS</field>
<value name="A">
<shadow type="math_number">
<field name="NUM">1</field>
</shadow>
<block type="get_value" id="|kF[As]i/^ch|CN//`9V">
<field name="ATTR">val</field>
<field name="OID">modbus.0.holdingRegisters.1.40375_Real_Energy Delivered Sum</field>
</block>
</value>
<value name="B">
<shadow type="math_number">
<field name="NUM">1</field>
</shadow>
<block type="variables_get" id="0_/?X-uUzkC*B%77CLsH">
<field name="VAR" id=")7(cpn3ml1ALb@RqN4{T">startWh</field>
</block>
</value>
</block>
</value>
<value name="B">
<shadow type="math_number" id="?nrp:HWI29umY/*/@Q]e">
<field name="NUM">1000</field>
</shadow>
</value>
</block>
</value>
</block>
</next>
</block>
</statement>
</block>
</statement>
</block>
</next>
</block>
</next>
</block>
</next>
</block>
</next>
</block>
</next>
</block>
</xml>
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