diff --git a/ch.psi.fda/pom.xml b/ch.psi.fda/pom.xml
index 099c379..866f588 100644
--- a/ch.psi.fda/pom.xml
+++ b/ch.psi.fda/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>ch.psi</groupId>
 	<artifactId>fda</artifactId>
-	<version>1.1.28</version>
+	<version>1.1.29</version>
 
 	<dependencies>
 		<dependency>
diff --git a/ch.psi.fda/src/main/java/ch/psi/fda/core/loops/cr/CrlogicLoop.java b/ch.psi.fda/src/main/java/ch/psi/fda/core/loops/cr/CrlogicLoop.java
index a84ff8e..4acb9b7 100644
--- a/ch.psi.fda/src/main/java/ch/psi/fda/core/loops/cr/CrlogicLoop.java
+++ b/ch.psi.fda/src/main/java/ch/psi/fda/core/loops/cr/CrlogicLoop.java
@@ -67,6 +67,12 @@ public class CrlogicLoop implements ActionLoop {
 	 */
 	private boolean dataGroup = false;
 	
+	boolean keepTmpFiles = true;
+	
+	private BlockingQueue<String> readQueue = new LinkedBlockingQueue<String>();
+	private volatile boolean stopReadoutThread = false;
+	private Thread readoutThread;
+	
 	// Constants
 	
 	/**
@@ -182,7 +188,12 @@ public class CrlogicLoop implements ActionLoop {
 			logger.info("Wait until file is written [lock file: " + lockfile.getCanonicalPath() + "]");
 			// Wait until file is created
 			while ((!tmpFile.exists()) || lockfile.exists()) {
-				Thread.sleep(100);
+				try{
+					Thread.sleep(100);
+				}
+				catch(InterruptedException e){
+					abort=true;
+				}
 				 if(abort){
 					 // If abort is issued while waiting for data immediately return without
 					 // trying to read the data
@@ -194,12 +205,15 @@ public class CrlogicLoop implements ActionLoop {
 			BufferedReader in = new BufferedReader(inreader);
 			String line;
 			boolean firstline = true;
+			int linecount=0;
+			int mcounter=0;
 			
-			boolean wasInRangeBefore = false;
+//			boolean wasInRangeBefore = false;
 			boolean discardAnyway = false;
 			
 			while (true) {
 				line = in.readLine();
+				linecount++;
 				if (line == null) {
 					break;
 				} else {
@@ -255,17 +269,20 @@ public class CrlogicLoop implements ActionLoop {
 							message.getData().add(val);
 						}
 						
-						// Use this to filter out motor retry movements at the end of the scan
-						wasInRangeBefore = wasInRangeBefore | use;
-						if(!use && wasInRangeBefore){
-							discardAnyway=true;
-							// Optimization - terminate read loop once range is left
-							break;
-						}
+						// Does not work if zigzag, ... 
+//						// Use this to filter out motor retry movements at the end of the scan
+//						wasInRangeBefore = wasInRangeBefore | use;
+//						if(!use && wasInRangeBefore){
+//							discardAnyway=true;
+//							// Optimization - terminate read loop once range is left
+//							logger.info("Terminate read loop because point is outside range");
+//							break;
+//						}
 						
 						// Filter data
 						if(use && !discardAnyway){
 							dataQueue.put(message);
+							mcounter++;
 						}
 						
 						
@@ -275,8 +292,12 @@ public class CrlogicLoop implements ActionLoop {
 			in.close();
 			inreader.close();
 			
+			logger.info("Lines read: "+linecount+" Messages generated (after filtering): "+mcounter);
+			
 			// Remove temporary file
-			tmpFile.delete();
+			if(!keepTmpFiles){
+				tmpFile.delete();
+			}
 		}
 		else{
 			// TODO - File in local file system
@@ -538,22 +559,24 @@ public class CrlogicLoop implements ActionLoop {
 				motortemplate.getBacklashDistance().setValue(backupBacklash);
 			}
 			
-	
-			// Read data
-			Thread t = new Thread(new Runnable() {
-				
-				@Override
-				public void run() {
-					try {
-						collectData(smbShare, tmpFileName);
-					} catch (InterruptedException e) {
-						throw new RuntimeException("Unable to read CRLOGIC raw data file",e);
-					} catch (IOException e) {
-						throw new RuntimeException("Unable to read CRLOGIC raw data file",e);
-					}
-				}
-			});
-			t.start();
+			// Request read of data file
+			readQueue.put(tmpFileName);
+			
+//			// Read data
+//			Thread t = new Thread(new Runnable() {
+//				
+//				@Override
+//				public void run() {
+//					try {
+//						collectData(smbShare, tmpFileName);
+//					} catch (InterruptedException e) {
+//						throw new RuntimeException("Unable to read CRLOGIC raw data file",e);
+//					} catch (IOException e) {
+//						throw new RuntimeException("Unable to read CRLOGIC raw data file",e);
+//					}
+//				}
+//			});
+//			t.start();
 			
 			if(zigZag){
 				// Swap start and end
@@ -598,6 +621,10 @@ public class CrlogicLoop implements ActionLoop {
 	 */
 	@Override
 	public void destroy() {
+		stopReadoutThread = true;
+		readoutThread.interrupt();
+		// TODO eventually interrupt readout thread
+		
 		try {
 			
 			ChannelBeanFactory.getFactory().destroyChannelBeans(template);
@@ -617,6 +644,35 @@ public class CrlogicLoop implements ActionLoop {
 	 */
 	@Override
 	public void prepare() {
+		
+		stopReadoutThread = false;
+		// Start readout Thread
+		readoutThread = new Thread(new Runnable() {
+			
+			@Override
+			public void run() {
+				while(!stopReadoutThread){
+					String file;
+					try {
+						file = readQueue.take();
+					} catch (InterruptedException e) {
+						break;
+					}
+					// TODO Read file and 
+					try {
+						collectData(smbShare, file);
+					} catch (InterruptedException e) {
+						throw new RuntimeException("Unable to read CRLOGIC raw data file",e);
+					} catch (IOException e) {
+						throw new RuntimeException("Unable to read CRLOGIC raw data file",e);
+					}
+					
+				}
+				
+			}
+		});
+		readoutThread.start();
+		
 		try{
 			// Connect crlogic channels
 			template = new CrlogicChannelsTemplate();
diff --git a/ch.psi.fda/src/test/resources/home/scans/templates/cscan2d-crlogic.xml b/ch.psi.fda/src/test/resources/home/scans/templates/cscan2d-crlogic.xml
index 8770396..a191c2e 100644
--- a/ch.psi.fda/src/test/resources/home/scans/templates/cscan2d-crlogic.xml
+++ b/ch.psi.fda/src/test/resources/home/scans/templates/cscan2d-crlogic.xml
@@ -21,7 +21,7 @@
         </cdimension>
         <dimension>
             <positioner xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="PseudoPositioner" id="p1">
-                <counts>3</counts>
+                <counts>30</counts>
             </positioner>
         </dimension>
     </scan>