diff --git a/PV_Visu/module.php b/PV_Visu/module.php
index 7e94152..920cf11 100644
--- a/PV_Visu/module.php
+++ b/PV_Visu/module.php
@@ -30,7 +30,52 @@ class PV_Visu extends IPSModule
 
         $this->UpdateData(); // Initial
     }
+        
+    public function RequestAction($Ident, $Value)
+    {
+        if ($Ident === 'update') {
+            $data = $this->UpdateData();
+            return $data; // ← sendet Daten direkt an die Visualisierung
+        }
+        throw new \Exception("Unknown Ident: $Ident");
+    }
 
+    public function UpdateData()
+    {
+        $start = strtotime('today 00:00');
+        $end   = time();
+
+        $prod = $this->GetDailyTotal($this->ReadPropertyInteger('VarProduction'), $start, $end);
+        $cons = $this->GetDailyTotal($this->ReadPropertyInteger('VarConsumption'), $start, $end);
+        $feed = $this->GetDailyTotal($this->ReadPropertyInteger('VarFeedIn'), $start, $end);
+        $grid = $this->GetDailyTotal($this->ReadPropertyInteger('VarGrid'), $start, $end);
+
+        $prodCons = $prod > 0 ? (($cons - $grid) / $prod) * 100 : 0;
+        $prodFeed = $prod > 0 ? 100 - $prodCons : 0;
+        $consPV   = $cons > 0 ? min($prod, ($cons - $grid)) / $cons * 100 : 0;
+        $consGrid = $cons > 0 ? 100 - $consPV : 0;
+
+        $data = [
+            'prodCons' => round($prodCons, 1),
+            'prodFeed' => round($prodFeed, 1),
+            'consPV'   => round($consPV,   1),
+            'consGrid' => round($consGrid, 1),
+            'value'    => [
+                'prod' => round($prod, 2),
+                'cons' => round($cons, 2),
+                'feed' => round($feed, 2),
+                'grid' => round($grid, 2),
+            ],
+        ];
+
+        $json = json_encode($data);
+        SetValueString($this->GetIDForIdent('JSONData'), $json);
+
+        // Kein SendDataToVisualization!
+        IPS_LogMessage("PV_Visu", "UpdateData (JSON): $json");
+
+        return $data;
+    }
     public function MessageSink($TimeStamp, $SenderID, $Message, $Data)
     {
         if ($Message === VM_UPDATE) {