If PowerLimit already send, dont renew it.

src/app.cpp

@@ -595,7 +595,11 @@ void app::updateLed(void) {
 //-----------------------------------------------------------------------------
 #if defined(ESP32)
 void app::zeroexport() {
-    if (!mConfig->plugin.zexport.enabled) return;   // check if plugin is enabled && indicate to send new value
+    if (!mConfig->plugin.zexport.enabled ||
+    !mSys.getInverterByPos(mConfig->plugin.zexport.Iv)->isProducing()) {   // check if plugin is enabled && indicate to send new value
+        mConfig->plugin.zexport.lastTime = millis();    // set last timestamp
+        return;
+    }
 
     if (millis() - mConfig->plugin.zexport.lastTime > mConfig->plugin.zexport.count_avg  * 1000UL)
     {
@@ -613,6 +617,11 @@ void app::zeroexport() {
         if(mConfig->plugin.zexport.max_power <= nValue)
             nValue = mConfig->plugin.zexport.max_power;
 
+        if(iv->actPowerLimit == nValue) {
+            mConfig->plugin.zexport.lastTime = millis();    // set last timestamp
+            return; // if PowerLimit same as befor, then skip
+        }
+
         object["val"] = nValue;
         object["id"] = mConfig->plugin.zexport.Iv;
         object["path"] = "ctrl";

src/plugins/zeroExport/zeroExport.h

@@ -82,7 +82,7 @@ class ZeroExport {
                     responseBody = responseBody.substring(index);               // cut it and store it in value
                     index = responseBody.indexOf(",");                          // find the first seperation - Bingo!?
 
-                    mCfg->total_power = responseBody.substring(0, index - 1).toDouble();
+                    mCfg->total_power = responseBody.substring(responseBody.indexOf(":"), index).toDouble();
                 } else if(json.containsKey(F("emeters"))) {
                     mCfg->total_power = (double)json[F("total_power")];
                 } else {