diff --git a/tools/esp8266/app.cpp b/tools/esp8266/app.cpp
index d8f6321e..e448aedb 100644
--- a/tools/esp8266/app.cpp
+++ b/tools/esp8266/app.cpp
@@ -121,31 +121,13 @@ void app::loop(void) {
                         mPayload[iv->id].txId = p->packet[0];
                         DPRINTLN(DBG_DEBUG, F("Response from devcontrol request received"));
                         iv->devControlRequest = false;
-                        switch (p->packet[12]) {
-                            case ActivePowerContr:
-                                    if (iv->devControlCmd >= ActivePowerContr && iv->devControlCmd <= PFSet) { // ok inverter accepted the set point copy it to dtu eeprom
-                                        if ((iv->powerLimit[1] & 0xff00) > 0) { // User want to have it persistent
-                                            mEep->write(ADDR_INV_PWR_LIM + iv->id * 2, iv->powerLimit[0]);
-                                            mEep->write(ADDR_INV_PWR_LIM_CON + iv->id * 2, iv->powerLimit[1]);
-                                        updateCrc();
-                                        mEep->commit();
-                                            DPRINTLN(DBG_INFO, F("Inverter ") + String(iv->id) + F(" has accepted power limit set point ") + String(iv->powerLimit[0]) + F(" with PowerLimitControl ")  + String(iv->powerLimit[1]) + F(", written to dtu eeprom"));
-                                        } else
-                                        DPRINTLN(DBG_INFO, F("Inverter ") + String(iv->id) + F(" has accepted power limit set point ") + String(iv->powerLimit[0]) + F(" with PowerLimitControl ")  + String(iv->powerLimit[1]));
-                                    iv->devControlCmd = Init;
-                                }
-                                break;
-
-                            default:
-                                    if (iv->devControlCmd == ActivePowerContr) {
-                                //case inverter did not accept the sent limit; set back to last stored limit
-                                mEep->read(ADDR_INV_PWR_LIM + iv->id * 2, (uint16_t *)&(iv->powerLimit[0]));
-                                mEep->read(ADDR_INV_PWR_LIM_CON + iv->id * 2, (uint16_t *)&(iv->powerLimit[1]));
-                                        DPRINTLN(DBG_INFO, F("Inverter has not accepted power limit set point"));
-                                }
-                                iv->devControlCmd = Init;
-                                break;
+                        if (p->packet[12] == ActivePowerContr && p->packet[13] == 0x00) {
+                            if (p->packet[10] == 0x00 && p->packet[11] == 0x00)
+                                DPRINTLN(DBG_INFO, F("Inverter ") + String(iv->id) + F(" has accepted power limit set point ") + String(iv->powerLimit[0]) + F(" with PowerLimitControl ")  + String(iv->powerLimit[1]));
+                            else
+                                DPRINTLN(DBG_INFO, F("Inverter ") + String(iv->id) + F(" has NOT accepted power limit set point") + String(iv->powerLimit[0]) + F(" with PowerLimitControl ")  + String(iv->powerLimit[1]));
                         }
+                        iv->devControlCmd = Init;
                     }
                 }
             }
@@ -254,7 +236,7 @@ void app::loop(void) {
                         DPRINTLN(DBG_DEBUG, F("app:loop WiFi WiFi.status ") + String(WiFi.status()));
                         DPRINTLN(DBG_INFO, F("Requesting Inverter SN ") + String(iv->serial.u64, HEX));
                     }
-                    if(iv->devControlRequest && ((iv->devControlCmd != ActivePowerContr) || ((iv->devControlCmd == ActivePowerContr) && (iv->powerLimit[0] > 0) && (iv->powerLimit[1] != NoPowerLimit)))) { // prevent to "switch off"
+                    if(iv->devControlRequest) {
                         if(mConfig.serialDebug)
                             DPRINTLN(DBG_INFO, F("Devcontrol request ") + String(iv->devControlCmd) + F(" power limit ") + String(iv->powerLimit[0]));
                         mSys->Radio.sendControlPacket(iv->radioId.u64, iv->devControlCmd, iv->powerLimit);
@@ -782,23 +764,6 @@ void app::loadEEpconfig(void) {
             if(0ULL != invSerial) {
                 iv = mSys->addInverter(name, invSerial, modPwr);
                 if(NULL != iv) { // will run once on every dtu boot
-                    mEep->read(ADDR_INV_PWR_LIM + (i * 2),(uint16_t *)&(iv->powerLimit[0]));
-                    mEep->read(ADDR_INV_PWR_LIM_CON + (i * 2),(uint16_t *)&(iv->powerLimit[1]));
-                    // only set it, if it is changed by user. Default value in the html setup page is -1 = 0xffff
-                    // it is "doppelt-gemoppelt" because the inverter shall remember the setting if the dtu makes a power cycle / reboot
-                    if (iv->powerLimit[0] != 0xffff) { 
-                        iv->devControlCmd = ActivePowerContr; // set active power limit
-                        DPRINT(DBG_INFO, F("add inverter: ") + String(name) + ", SN: " + String(invSerial, HEX));
-                        if(iv->powerLimit[1] != NoPowerLimit) {
-                            DBGPRINT(F(", Power Limit: ") + String(iv->powerLimit[0]));
-                            if ((iv->powerLimit[1] & 0x0001) == 0x0001)
-                                DBGPRINTLN(F(" in %"));
-                            else
-                                DBGPRINTLN(F(" in Watt"));
-                        }
-                        else
-                            DBGPRINTLN(F(" "));
-                    }
                     for(uint8_t j = 0; j < 4; j++) {
                         mEep->read(ADDR_INV_CH_NAME + (i * 4 * MAX_NAME_LENGTH) + j * MAX_NAME_LENGTH, iv->chName[j], MAX_NAME_LENGTH);
                     }
@@ -828,8 +793,6 @@ void app::saveValues(void) {
     for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {
         iv = mSys->getInverterByPos(i, false);
         mEep->write(ADDR_INV_ADDR + (i * 8), iv->serial.u64);
-        mEep->write(ADDR_INV_PWR_LIM + i * 2, iv->powerLimit[0]);
-        mEep->write(ADDR_INV_PWR_LIM_CON + i * 2, iv->powerLimit[1]);
         mEep->write(ADDR_INV_NAME + (i * MAX_NAME_LENGTH), iv->name, MAX_NAME_LENGTH);
         // max channel power / name
         for(uint8_t j = 0; j < 4; j++) {
diff --git a/tools/esp8266/defines.h b/tools/esp8266/defines.h
index f866dad0..0bf751b2 100644
--- a/tools/esp8266/defines.h
+++ b/tools/esp8266/defines.h
@@ -58,7 +58,6 @@ typedef enum {
 } DevControlCmdType;
 
 typedef enum {
-    NoPowerLimit          = 0xffff, // ahoy internal value, no hoymiles value!
     AbsolutNonPersistent  = 0UL,    // 0x0000
     RelativNonPersistent  = 1UL,    // 0x0001
     AbsolutPersistent     = 256UL,  // 0x0100
@@ -166,10 +165,8 @@ typedef struct {
 #define ADDR_INV_CH_NAME        ADDR_INV_CH_PWR    + INV_CH_CH_PWR_LEN
 #define ADDR_INV_INTERVAL       ADDR_INV_CH_NAME   + INV_CH_CH_NAME_LEN
 #define ADDR_INV_MAX_RTRY       ADDR_INV_INTERVAL  + INV_INTERVAL_LEN
-#define ADDR_INV_PWR_LIM        ADDR_INV_MAX_RTRY  + INV_MAX_RTRY_LEN
-#define ADDR_INV_PWR_LIM_CON    ADDR_INV_PWR_LIM   + INV_PWR_LIM_LEN
 
-#define ADDR_NEXT               ADDR_INV_PWR_LIM_CON   + INV_PWR_LIM_LEN
+#define ADDR_NEXT               ADDR_INV_MAX_RTRY   + INV_INTERVAL_LEN
 
 
 #define ADDR_SETTINGS_CRC       ADDR_NEXT + 2
diff --git a/tools/esp8266/hmInverter.h b/tools/esp8266/hmInverter.h
index c4e4d1c7..aeeacde1 100644
--- a/tools/esp8266/hmInverter.h
+++ b/tools/esp8266/hmInverter.h
@@ -126,7 +126,7 @@ class Inverter {
 
         Inverter() {
             powerLimit[0] = 0xffff;       // 65535 W Limit -> unlimited
-            powerLimit[1] = NoPowerLimit; // default power limit setting
+            powerLimit[1] = AbsolutNonPersistent; // default power limit setting
             actPowerLimit = 0xffff;       // init feedback from inverter to -1
             devControlRequest = false;
             devControlCmd = InitDataState;
diff --git a/tools/esp8266/html/index.html b/tools/esp8266/html/index.html
index ad436326..48517201 100644
--- a/tools/esp8266/html/index.html
+++ b/tools/esp8266/html/index.html
@@ -13,7 +13,7 @@
                 <a href="/live">Visualization</a><br/>
                 <br/>
                 <a href="/setup">Setup</a><br/>
-                <a href="/serial">Serial Console</a><br/>
+                <a href="/serial">Webserial & Commands</a><br/>
             </p>
             <p><span class="des">Uptime: </span><span id="uptime"></span></p>
             <p><span class="des">ESP-Time: </span><span id="date"></span></p>
diff --git a/tools/esp8266/html/serial.html b/tools/esp8266/html/serial.html
index 1f533f26..9e742c01 100644
--- a/tools/esp8266/html/serial.html
+++ b/tools/esp8266/html/serial.html
@@ -15,25 +15,41 @@
                 Uptime: <span id="uptime"></span>
                 <input type="button" value="clear" class="btn" id="clear"/> 
                 <input type="button" value="autoscroll" class="btn" id="scroll"/>
-
                 <br/>
                 <br/>
                 <br/>
                 <br/>
                 <hr>
-                <h3>handle next buttons with care - test / debug only!!</h3>
+                <h3>Commands</h3>
                 <br/>
                 <label for="iv">Select Inverter:</label>
                 <select name="iv" id="InvID">
                 </select>
                 <br/>
-                <input type="button" value="power limit 100%" class="btn" id="pwrlim2"/>
-                <input type="button" value="power limit 10%" class="btn" id="pwrlim"/>
-                <input type="button" value="Restart" class="btn" id="restart"/>
-                <input type="button" value="Turn Off" class="btn" id="turnoff"/>
-                <input type="button" value="Turn On" class="btn" id="turnon"/>
+                <div id="power">
+                    <input type="button" value="Restart" class="btn" id="restart"/>
+                    <input type="button" value="Turn Off" class="btn" id="power_off"/>
+                    <input type="button" value="Turn On" class="btn" id="power_on"/>
+                </div>
+                <br/>
+                <br/>
+                <br/>
+                <br/>
+                <br/>
+                <label>Send Power Limit: </label>
+                <input type="number" class="text" name="pwrlimval" maxlength="4"/>
+                <label> </label>
+                <select name="pwrlimcntrl" id="pwrlimcntrl">
+                    <option value="" selected disabled hidden>select the unit and persistence</option>
+                    <option value="0">absolute in Watt non persistent</option>
+                    <option value="1">relativ in percent non persistent</option>
+                    <option value="256">absolute in Watt persistent</option>
+                    <option value="257">relativ in percent persistent</option>
+                </select>
+                <br/>
+                <input type="button" value="Send Power Limit" class="btn" id="sendpwrlim"/>
                 <br/>
-                Ctrl result: <span id="result">n/a</span>
+                <p>Ctrl result: <span id="result">n/a</span></p>
             </div>
         </div>
         <div id="footer">
@@ -120,48 +136,49 @@
             function get_selected_iv()
             {
                 var e = document.getElementById("InvID");
-                return  e.value;
+                return  parseInt(e.value);
             }
 
-            document.getElementById("turnon").addEventListener("click", function() {
-                var obj = new Object();
-                obj.inverter = get_selected_iv();
-                obj.cmd = 0;
-                obj.tx_request = 81;
-                getAjax("/api/ctrl", ctrlCb, "POST", JSON.stringify(obj));
-            });
+            const wrapper = document.getElementById('power');
 
-            document.getElementById("turnoff").addEventListener("click", function() {
+            wrapper.addEventListener('click', (event) => {
+                var power = event.target.value;
                 var obj = new Object();
-                obj.inverter = get_selected_iv();
-                obj.cmd = 1;
-                obj.tx_request = 81;
-                getAjax("/api/ctrl", ctrlCb, "POST", JSON.stringify(obj));
-            });
 
-            document.getElementById("restart").addEventListener("click", function() {
-                var obj = new Object();
-                obj.inverter = get_selected_iv();
-                obj.cmd = 2;
-                obj.tx_request = 81;
-                getAjax("/api/ctrl", ctrlCb, "POST", JSON.stringify(obj));
-            });
+                switch (power)
+                {
+                    case "Turn On":
+                        obj.cmd = 0;
+                        break;
+                    case "Turn Off":
+                        obj.cmd = 1;
+                        break;
+                    default:
+                        obj.cmd = 2;
+                }            
 
-            document.getElementById("pwrlim").addEventListener("click", function() {
-                var obj = new Object();
                 obj.inverter = get_selected_iv();
-                obj.cmd = 11;
                 obj.tx_request = 81;
-                obj.payload = [10, 1];
                 getAjax("/api/ctrl", ctrlCb, "POST", JSON.stringify(obj));
             });
 
-            document.getElementById("pwrlim2").addEventListener("click", function() {
+            document.getElementById("sendpwrlim").addEventListener("click", function() {
+                var val = parseInt(document.getElementsByName('pwrlimval')[0].value);
+                var ctrl = parseInt(document.getElementsByName('pwrlimcntrl')[0].value);
+                
+                if((ctrl == 1 || ctrl == 257) && unit < 2) unit = 2;
+                if(isNaN(val) || isNaN(ctrl)) 
+                {
+                    var tmp = (isNaN(val)) ? "Value" : "Unit";
+                    document.getElementById("result").textContent = tmp + " is missing";
+                    return;
+                }
+                
                 var obj = new Object();
                 obj.inverter = get_selected_iv();
                 obj.cmd = 11;
                 obj.tx_request = 81;
-                obj.payload = [2000, 1];
+                obj.payload = [val, ctrl];
                 getAjax("/api/ctrl", ctrlCb, "POST", JSON.stringify(obj));
             });
 
diff --git a/tools/esp8266/html/setup.html b/tools/esp8266/html/setup.html
index 7e67bfb9..ffdc1a7a 100644
--- a/tools/esp8266/html/setup.html
+++ b/tools/esp8266/html/setup.html
@@ -125,7 +125,7 @@
 
             document.getElementsByName("btnAdd")[0].addEventListener("click", function() {
                 if(highestId < (maxInv-1))
-                    ivHtml(JSON.parse('{"name":"","serial":"","channels":4,"ch_max_power":[0,0,0,0],"ch_name":["","","",""],"power_limit":1500,"power_limit_option":65535}'), highestId + 1);
+                    ivHtml(JSON.parse('{"name":"","serial":"","channels":4,"ch_max_power":[0,0,0,0],"ch_name":["","","",""]}'), highestId + 1);
             });
 
             function ivHtml(obj, id) {
@@ -163,20 +163,11 @@
                     }
                 });
 
-                for(var i of [["Name", "name", "Name*", 32], ["ActivePowerLimit", "power_limit", "Active Power Limit", 5]]) {
+                for(var i of [["Name", "name", "Name*", 32]]) { // so richtig?
                     iv.appendChild(lbl(id + i[0], i[2]));
                     iv.appendChild(inp(id + i[0], obj[i[1]], i[3]));
                 }
 
-                iv.appendChild(lbl(id + "PowerLimitControl", "Active Power Limit Control Type"));
-                iv.appendChild(sel(id + "PowerLimitControl", [
-                    [65535, "no power limit"],
-                    [0, "absolute in Watt non persistent"],
-                    [1, "absolute in Watt persistent"],
-                    [256, "relativ in percent non persistent"],
-                    [257, "relativ in percent persistent"]
-                ], obj.power_limit_option));
-
                 for(var j of [["ModPwr", "ch_max_power", "Max Module Power (Wp)", 4], ["ModName", "ch_name", "Module Name", 16]]) {
                     var cl = (re.test(obj["serial"])) ? null : ["hide"];
                     iv.appendChild(lbl(null, j[2], cl, "lbl" + id + j[0]));
diff --git a/tools/esp8266/html/visualization.html b/tools/esp8266/html/visualization.html
index 2c775d3f..8ee0926b 100644
--- a/tools/esp8266/html/visualization.html
+++ b/tools/esp8266/html/visualization.html
@@ -39,8 +39,7 @@
                     var limit = iv["power_limit_read"] + "%";
                     if(limit == "65535%")
                         limit = "n/a";
-                    var ctrl = (iv["power_limit_active"]) ? "" : " (not controlled)";
-                    ch0.appendChild(span(iv["name"] + " Limit " + limit + ctrl + " | last Alarm: " + iv["last_alarm"], ["head"]));
+                    ch0.appendChild(span(iv["name"] + " Limit " + limit + " | last Alarm: " + iv["last_alarm"], ["head"]));
 
                     for(var j = 0; j < root.ch0_fld_names.length; j++) {
                         var val = Math.round(iv["ch"][0][j] * 100) / 100;
diff --git a/tools/esp8266/web.cpp b/tools/esp8266/web.cpp
index bbe714a9..0b64f6ba 100644
--- a/tools/esp8266/web.cpp
+++ b/tools/esp8266/web.cpp
@@ -237,31 +237,6 @@ void web::showSave(AsyncWebServerRequest *request) {
                 memset(buf, 0, 20);
             iv->serial.u64 = mMain->Serial2u64(buf);
 
-            // active power limit
-            uint16_t actPwrLimit = request->arg("inv" + String(i) + "ActivePowerLimit").toInt();
-            uint16_t actPwrLimitControl = request->arg("inv" + String(i) + "PowerLimitControl").toInt();
-            if(NoPowerLimit != actPwrLimitControl) {
-                if (actPwrLimit != 0xffff && actPwrLimit > 0){
-                    iv->powerLimit[0] = actPwrLimit;
-                    iv->powerLimit[1] = actPwrLimitControl;
-                    iv->devControlCmd = ActivePowerContr;
-                    iv->devControlRequest = true;
-                    if ((iv->powerLimit[1] & 0x0001) == 0x0001)
-                        DPRINTLN(DBG_INFO, F("Power limit for inverter ") + String(iv->id) + F(" set to ") + String(iv->powerLimit[0]) + F("%") );
-                    else {
-                        DPRINTLN(DBG_INFO, F("Power limit for inverter ") + String(iv->id) + F(" set to ") + String(iv->powerLimit[0]) + F("W") );
-                        DPRINTLN(DBG_INFO, F("Power Limit Control Setting ") + String(iv->powerLimit[1]));
-                    }
-                }
-                if (actPwrLimit == 0xffff) { // set to 100%
-                    iv->powerLimit[0] = 100;
-                    iv->powerLimit[1] = RelativPersistent;
-                    iv->devControlCmd = ActivePowerContr;
-                    iv->devControlRequest = true;
-                    DPRINTLN(DBG_INFO, F("Power limit for inverter ") + String(iv->id) + F(" set to unlimted"));
-                }
-            }
-                
             // name
             request->arg("inv" + String(i) + "Name").toCharArray(iv->name, MAX_NAME_LENGTH);
 
diff --git a/tools/esp8266/webApi.cpp b/tools/esp8266/webApi.cpp
index 5461ab2a..dd7931ed 100644
--- a/tools/esp8266/webApi.cpp
+++ b/tools/esp8266/webApi.cpp
@@ -156,9 +156,6 @@ void webApi::getInverterList(JsonObject obj) {
                 obj2[F("ch_max_power")][j] = iv->chMaxPwr[j];
                 obj2[F("ch_name")][j] = iv->chName[j];
             }
-
-            obj2[F("power_limit")]        = iv->powerLimit[0];
-            obj2[F("power_limit_option")] = iv->powerLimit[1];
         }
     }
     obj[F("interval")]          = String(mConfig->sendInterval);
@@ -274,7 +271,6 @@ void webApi::getLive(JsonObject obj) {
             obj2[F("name")]               = String(iv->name);
             obj2[F("channels")]           = iv->channels;
             obj2[F("power_limit_read")]   = round3(iv->actPowerLimit);
-            obj2[F("power_limit_active")] = NoPowerLimit != iv->powerLimit[1];
             obj2[F("last_alarm")]         = String(iv->lastAlarmMsg);
             obj2[F("ts_last_success")]    = rec->ts;
 
@@ -340,8 +336,9 @@ bool webApi::setCtrl(DynamicJsonDocument jsonIn, JsonObject jsonOut) {
 
     // Todo: num is the inverter number 0-3. For better display in DPRINTLN
     uint8_t num = jsonIn[F("inverter")]; 
+    uint8_t tx_request = jsonIn[F("tx_request")]; 
 
-    if(TX_REQ_DEVCONTROL == jsonIn[F("tx_request")]) 
+    if(TX_REQ_DEVCONTROL == tx_request) 
     {
         DPRINTLN(DBG_INFO, F("devcontrol [") + String(num) + F("], cmd: 0x") + String(cmd, HEX));
         
@@ -369,6 +366,8 @@ bool webApi::setCtrl(DynamicJsonDocument jsonIn, JsonObject jsonOut) {
                     iv->devControlRequest = true;
                     break;
                 case ActivePowerContr:
+                    iv->devControlCmd = ActivePowerContr;
+                    iv->devControlRequest = true;
                     iv->powerLimit[0] = payload[0];
                     iv->powerLimit[1] = payload[1];
                     break;