diff --git a/src/main/java/ch/psi/mxsc/PuckDetection.java b/src/main/java/ch/psi/mxsc/PuckDetection.java
index 6570cf9..646adb2 100644
--- a/src/main/java/ch/psi/mxsc/PuckDetection.java
+++ b/src/main/java/ch/psi/mxsc/PuckDetection.java
@@ -1,21 +1,22 @@
 package ch.psi.mxsc;
 
-import static ch.psi.mxsc.Controller.NUMBER_OF_PUCKS;
 import ch.psi.pshell.core.JsonSerializer;
 import ch.psi.pshell.device.DeviceBase;
+import ch.psi.pshell.device.ReadonlyAsyncRegisterBase;
+import ch.psi.pshell.device.ReadonlyRegisterBase;
 import ch.psi.utils.Chrono;
 import ch.psi.utils.State;
 import ch.psi.utils.Threading;
 import java.io.IOException;
 import java.util.List;
 import java.util.logging.Level;
-import java.util.logging.Logger;
 
 public class PuckDetection extends DeviceBase {
 
     final String server;
     public volatile Chrono chrono;
     boolean debug;
+    public static final int TIMEOUT = 10000;
 
     public PuckDetection(String name, String server) {
         super(name);
@@ -32,6 +33,16 @@ public class PuckDetection extends DeviceBase {
 
     Thread thread;
     Thread watchDog;
+    
+    class UpdateTimeReadable extends ReadonlyAsyncRegisterBase<Integer>{
+        UpdateTimeReadable(){
+            super("Raspberry Update Time");
+        }
+        void update(int value){
+            setCache(value);
+        }
+    };    
+    public UpdateTimeReadable updateTime = new UpdateTimeReadable();
 
     @Override
     protected void doInitialize() throws IOException, InterruptedException {
@@ -53,7 +64,7 @@ public class PuckDetection extends DeviceBase {
             public void run() {
                 try {
                     while (!Thread.currentThread().isInterrupted()) {
-                        if (chrono.isTimeout(3000)) {
+                        if (chrono.isTimeout(TIMEOUT)) {
                             if (!isSimulated()) {
                                 setState(State.Offline);
                                 if (Controller.getInstance() != null) {
@@ -115,6 +126,9 @@ public class PuckDetection extends DeviceBase {
                             Controller.getInstance().updateView();
                         }
                         setState(State.Ready);
+                        if (chrono != null){
+                            updateTime.update(chrono.getEllapsed());
+                        }
                         chrono = new Chrono();
                     }
                 } finally {