diff --git a/VGT_Sub/module.php b/VGT_Sub/module.php
index 4100bca..dca7787 100644
--- a/VGT_Sub/module.php
+++ b/VGT_Sub/module.php
@@ -10,9 +10,9 @@ class VGT_Sub extends IPSModule
 
         $this->RegisterPropertyString('DeviceID', '');
 
-        /** -------------------------------------------
-         *  STATUS Variablen (schreibbar)
-         * ------------------------------------------*/
+        /** -------------------------
+         *  STATUS Variablen
+         * ------------------------- */
         $this->RegisterVariableInteger('PowerProduction', 'Power Production', '', 10);
         $this->EnableAction('PowerProduction');
 
@@ -31,33 +31,34 @@ class VGT_Sub extends IPSModule
         $this->RegisterVariableInteger('MaxSOC', 'Max SOC', '', 15);
         $this->EnableAction('MaxSOC');
 
-        /** -------------------------------------------
-         *  REMOTE CONTROL (readonly)
-         * ------------------------------------------*/
+        /** -------------------------
+         *  REMOTE CONTROL
+         * ------------------------- */
         $this->RegisterVariableInteger('PowerSetpoint', 'Power Setpoint', '', 20);
         $this->RegisterVariableString('Strategy', 'Strategy', '', 21);
+
         $this->RegisterVariableString('RemoteControlPayload', 'Remote Control Payload', '', 30);
 
-        /** -------------------------------------------
-         *  FEEDBACK REQUEST (readonly)
-         * ------------------------------------------*/
+        /** -------------------------
+         *  FEEDBACK REQUEST
+         * ------------------------- */
         $this->RegisterVariableString('FeedbackRequestPayload', 'Feedback Request Payload', '', 40);
     }
 
     public function ApplyChanges()
     {
         parent::ApplyChanges();
-        $this->ConnectParent('{DBDA3967-E416-4354-A5C9-2FB9E7E2F5B3}'); // MQTT Client Gateway
+        $this->ConnectParent('{F7A0DD2E-7684-95C0-64C2-D2A9DC47577B}'); // Dein Splitter
     }
 
     /** ----------------------------------------------------------
-     * REQUEST ACTION → Statusvariablen schreibbar machen
+     * REQUEST ACTION
      * ----------------------------------------------------------*/
     public function RequestAction($Ident, $Value)
     {
         $this->SetValue($Ident, $Value);
-        $device = $this->ReadPropertyString('DeviceID');
 
+        $device = $this->ReadPropertyString('DeviceID');
         if ($device === '') {
             return;
         }
@@ -85,25 +86,22 @@ class VGT_Sub extends IPSModule
     }
 
     /** ----------------------------------------------------------
-     * SUBSCRIBE (nur bei „MQTT_CONNECTED“)
+     * SUBSCRIBE
      * ----------------------------------------------------------*/
     private function Subscribe(string $topic): void
     {
         if (!$this->HasActiveParent()) {
-            $this->SendDebug('MQTT', 'Subscribe ohne aktiven Parent: ' . $topic, 0);
+            $this->SendDebug("MQTT", "Parent offline – subscribe skipped: $topic", 0);
             return;
         }
 
-        $this->SendDebug('MQTT', 'Subscribe → ' . $topic, 0);
-
         $this->SendDataToParent(json_encode([
-            'DataID'            => '{7F2A28E2-ABFA-4C77-B43F-042E1ED9F2D2}',
-            'PacketType'        => 8,  // SUBSCRIBE
-            'QualityOfService'  => 0,
-            'Retain'            => false,
-            'Topic'             => $topic,
-            'Payload'           => ''
+            'DataID' => '{A1B5C433-4F17-462D-AD71-383F5BBE4F5A}', // DataID deines Splitters → SUBSCRIBE
+            'Type'   => 'SUBSCRIBE',
+            'Topic'  => $topic
         ]));
+
+        $this->SendDebug('MQTT', "Subscribed: $topic", 0);
     }
 
     /** ----------------------------------------------------------
@@ -112,20 +110,18 @@ class VGT_Sub extends IPSModule
     private function Publish(string $topic, string $payload): void
     {
         if (!$this->HasActiveParent()) {
-            $this->SendDebug('MQTT', 'Publish ohne aktiven Parent: ' . $topic, 0);
+            $this->SendDebug("MQTT", "Parent offline – publish skipped: $topic", 0);
             return;
         }
 
-        $this->SendDebug('MQTT', 'Publish → Topic=' . $topic . ' Payload=' . $payload, 0);
-
         $this->SendDataToParent(json_encode([
-            'DataID'           => '{7F2A28E2-ABFA-4C77-B43F-042E1ED9F2D2}',
-            'PacketType'       => 3,
-            'QualityOfService' => 0,
-            'Retain'           => false,
-            'Topic'            => $topic,
-            'Payload'          => $payload
+            'DataID'  => '{A1B5C433-4F17-462D-AD71-383F5BBE4F5A}', // DataID deines Splitters → PUBLISH
+            'Type'    => 'PUBLISH',
+            'Topic'   => $topic,
+            'Payload' => $payload
         ]));
+
+        $this->SendDebug('MQTT', "Publish → $topic : $payload", 0);
     }
 
     /** ----------------------------------------------------------
@@ -139,11 +135,12 @@ class VGT_Sub extends IPSModule
             return;
         }
 
-        // --- MQTT CONNECTED EVENT ---
-        if (isset($data['Event']) && $data['Event'] === 'MQTT_CONNECTED') {
-            $this->SendDebug('MQTT', 'MQTT_CONNECTED → re-subscribing…', 0);
+        /** --- MQTT CONNECTED EVENT vom Splitter --- */
+        if (($data['Type'] ?? '') === 'MQTT_CONNECTED') {
+            $this->SendDebug("MQTT", "Splitter connected → re-subscribing", 0);
 
             $device = $this->ReadPropertyString('DeviceID');
+
             if ($device !== '') {
                 $this->Subscribe("feedback-request/$device");
                 $this->Subscribe("remote-control-request/$device");
@@ -151,19 +148,24 @@ class VGT_Sub extends IPSModule
             return;
         }
 
-        // --- Normale MQTT Messages ---
-        $topic   = $data['Topic'] ?? '';
+        /** --- Normale MQTT Daten vom Splitter --- */
+        if (($data['Type'] ?? '') !== 'MESSAGE') {
+            return;
+        }
+
+        $topic   = $data['Topic']   ?? '';
         $payload = $data['Payload'] ?? '';
 
-        $this->SendDebug('MQTT', "Receive: Topic=$topic Payload=$payload", 0);
-
         $device = $this->ReadPropertyString('DeviceID');
+
+        $this->SendDebug("MQTT", "RX → $topic : $payload", 0);
+
         if ($device === '') {
             return;
         }
 
         /** -------------------------------------------
-         * 1️⃣ FEEDBACK REQUEST
+         * FEEDBACK REQUEST
          * ------------------------------------------*/
         if ($topic === "feedback-request/$device") {
 
@@ -188,7 +190,7 @@ class VGT_Sub extends IPSModule
         }
 
         /** -------------------------------------------
-         * 2️⃣ REMOTE CONTROL REQUEST
+         * REMOTE CONTROL REQUEST
          * ------------------------------------------*/
         if ($topic === "remote-control-request/$device") {
 
@@ -197,18 +199,15 @@ class VGT_Sub extends IPSModule
             $json = json_decode($payload, true);
 
             if (is_array($json)) {
-                if (array_key_exists('power_setpoint', $json)) {
-                    $this->SetValue('PowerSetpoint', (int) $json['power_setpoint']);
+                if (isset($json['power_setpoint'])) {
+                    $this->SetValue('PowerSetpoint', (int)$json['power_setpoint']);
                 }
-                if (array_key_exists('strategy', $json)) {
-                    $this->SetValue('Strategy', (string) $json['strategy']);
+                if (isset($json['strategy'])) {
+                    $this->SetValue('Strategy', (string)$json['strategy']);
                 }
             }
 
-            // Antwort spiegeln
             $this->Publish("remote-control-response/$device", $payload);
-            return;
         }
     }
 }
-