diff --git a/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8Device.java b/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8Device.java
index 71824381..a1b31a6f 100644
--- a/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8Device.java
+++ b/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8Device.java
@@ -41,7 +41,7 @@ import inr.numass.control.StorageHelper;
 
 import java.time.Duration;
 import java.util.Collection;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 
 /**
@@ -50,7 +50,7 @@ import java.util.Map;
  * @author Alexander Nozik
  */
 @RoleDef(name = Roles.STORAGE_ROLE)
-@RoleDef(name = Roles.VIEW_ROLE, objectType = PKT8View.class)
+@RoleDef(name = Roles.VIEW_ROLE)
 @ValueDef(name = "port", def = "virtual", info = "The name of the port for this PKT8")
 public class PKT8Device extends PortSensor<PKT8Result> {
     public static final String PKT8_DEVICE_TYPE = "numass:pkt8";
@@ -62,7 +62,7 @@ public class PKT8Device extends PortSensor<PKT8Result> {
     /**
      * The key is the letter (a,b,c,d...) as in measurements
      */
-    private final Map<String, PKT8Channel> channels = new HashMap<>();
+    private final Map<String, PKT8Channel> channels = new LinkedHashMap<>();
     private RegularPointCollector collector;
     private StorageHelper storageHelper;
 
@@ -191,7 +191,7 @@ public class PKT8Device extends PortSensor<PKT8Result> {
             updateState(ABUF, Integer.parseInt(response.substring(14)));
 //            getLogger().info("successfully set buffer size to {}", this.abuf);
         } else {
-            getLogger().error("Setting averaging buffer failsed with message: " + response);
+            getLogger().error("Setting averaging buffer failed with message: " + response);
         }
     }
 
diff --git a/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8View.java b/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8View.java
index 39082598..7c826888 100644
--- a/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8View.java
+++ b/numass-control/cryotemp/src/main/java/inr/numass/cryotemp/PKT8View.java
@@ -72,7 +72,6 @@ public class PKT8View extends DeviceViewConnection<PKT8Device> implements Initia
         sensorColumn.setCellValueFactory(new PropertyValueFactory<>("channel"));
         resColumn.setCellValueFactory(new PropertyValueFactory<>("rawString"));
         tempColumn.setCellValueFactory(new PropertyValueFactory<>("temperatureString"));
-        bindBooleanToState("storing", storeButton.selectedProperty());
     }
 
     @Override
@@ -86,6 +85,7 @@ public class PKT8View extends DeviceViewConnection<PKT8Device> implements Initia
 
         new FragmentWindow(logFragment).bindTo(consoleButton);
         new FragmentWindow(plotFragment).bindTo(plotButton);
+        bindBooleanToState("storing", storeButton.selectedProperty());
     }
 
     @Override
diff --git a/numass-control/cryotemp/src/main/resources/config/thermo-1.xml b/numass-control/cryotemp/src/main/resources/config/devices.xml
similarity index 87%
rename from numass-control/cryotemp/src/main/resources/config/thermo-1.xml
rename to numass-control/cryotemp/src/main/resources/config/devices.xml
index 200c435b..c725212c 100644
--- a/numass-control/cryotemp/src/main/resources/config/thermo-1.xml
+++ b/numass-control/cryotemp/src/main/resources/config/devices.xml
@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <config>
-    <device type="PKT8" name="thermo-1">
-        <!-- Device configuration -->
-        <port>192.168.111.36:4001</port>
-        <abuf>1</abuf>
-        <averagingDuration>"PT60S"</averagingDuration>
-
+    <device type="PKT8"
+            name="thermo-1"
+            port="192.168.111.36:4001"
+            abuf="1"
+            averagingDuration="PT60S">
         <!-- Channel configuration -->
         <channel designation="a" name="T1" r0="1000" transformationType="hyperbolic"
                  coefs="[17.066, -249.29, 1663.6, -5263.8, 9004.7, -7151.8, 2288.3]"/>
diff --git a/numass-control/msp/src/main/java/inr/numass/control/msp/MspDevice.java b/numass-control/msp/src/main/java/inr/numass/control/msp/MspDevice.java
index 4bd1729e..d5dbccd2 100644
--- a/numass-control/msp/src/main/java/inr/numass/control/msp/MspDevice.java
+++ b/numass-control/msp/src/main/java/inr/numass/control/msp/MspDevice.java
@@ -92,7 +92,7 @@ public class MspDevice extends SingleMeasurementDevice implements PortHandler.Po
         super.shutdown();
         super.stopMeasurement(true);
         if(isConnected()) {
-            setFileamentOn(false);
+            setFilamentOn(false);
             setConnected(false);
         }
         getHandler().close();
@@ -145,7 +145,7 @@ public class MspDevice extends SingleMeasurementDevice implements PortHandler.Po
             case PortSensor.CONNECTED_STATE:
                 setConnected(value.booleanValue());
             case "filamentOn":
-                setFileamentOn(value.booleanValue());
+                setFilamentOn(value.booleanValue());
             default:
                 super.requestStateChange(stateName, value);
         }
@@ -243,13 +243,13 @@ public class MspDevice extends SingleMeasurementDevice implements PortHandler.Po
      * with command name)
      *
      * @param commandName
-     * @param paremeters
+     * @param parameters
      * @return
      * @throws PortException
      */
-    private MspResponse sendAndWait(String commandName, Object... paremeters) throws PortException {
+    private MspResponse sendAndWait(String commandName, Object... parameters) throws PortException {
 
-        String request = buildCommand(commandName, paremeters);
+        String request = buildCommand(commandName, parameters);
         if (mspListener != null) {
             mspListener.acceptRequest(request);
         }
@@ -289,7 +289,7 @@ public class MspDevice extends SingleMeasurementDevice implements PortHandler.Po
      * @return
      * @throws hep.dataforge.exceptions.PortException
      */
-    public boolean setFileamentOn(boolean filamentOn) throws PortException {
+    public boolean setFilamentOn(boolean filamentOn) throws PortException {
         if (filamentOn) {
             return sendAndWait("FilamentControl", "On").isOK();
         } else {
diff --git a/numass-control/msp/src/main/java/inr/numass/control/msp/fx/MspViewController.java b/numass-control/msp/src/main/java/inr/numass/control/msp/fx/MspViewController.java
index b47ced1c..eba0bd67 100644
--- a/numass-control/msp/src/main/java/inr/numass/control/msp/fx/MspViewController.java
+++ b/numass-control/msp/src/main/java/inr/numass/control/msp/fx/MspViewController.java
@@ -138,7 +138,7 @@ public class MspViewController extends DeviceViewConnection<MspDevice> implement
         fillamentButton.selectedProperty().addListener((ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) -> {
             try {
                 fillamentSelector.setDisable(newValue);
-                getDevice().setFileamentOn(newValue);
+                getDevice().setFilamentOn(newValue);
             } catch (PortException ex) {
                 getDevice().getLogger().error("Failed to toggle filaments");
             }
diff --git a/numass-control/src/main/java/inr/numass/control/DeviceViewConnection.java b/numass-control/src/main/java/inr/numass/control/DeviceViewConnection.java
index 75cebafa..7d85d71a 100644
--- a/numass-control/src/main/java/inr/numass/control/DeviceViewConnection.java
+++ b/numass-control/src/main/java/inr/numass/control/DeviceViewConnection.java
@@ -28,7 +28,11 @@ public abstract class DeviceViewConnection<D extends Device> extends DeviceConne
                 new ObjectBinding<Value>() {
                     @Override
                     protected Value computeValue() {
-                        return getDevice().getState(stateName);
+                        if(isOpen()) {
+                            return getDevice().getState(stateName);
+                        } else {
+                            return Value.NULL;
+                        }
                     }
                 }
         );
diff --git a/numass-control/src/main/java/inr/numass/control/NumassControlUtils.java b/numass-control/src/main/java/inr/numass/control/NumassControlUtils.java
index e6c220d2..a581bd27 100644
--- a/numass-control/src/main/java/inr/numass/control/NumassControlUtils.java
+++ b/numass-control/src/main/java/inr/numass/control/NumassControlUtils.java
@@ -29,7 +29,7 @@ import java.util.function.Predicate;
  * Created by darksnake on 08-May-17.
  */
 public class NumassControlUtils {
-    public static final String DEFAULT_CONFIG_LOCATION = "numass-control.xml";
+    public static final String DEFAULT_CONFIG_LOCATION = "./numass-control.xml";
 
     /**
      * Create a single or multiple storage connections for a device
diff --git a/numass-control/vac/src/main/java/inr/numass/readvac/VacCollectorDevice.java b/numass-control/vac/src/main/java/inr/numass/readvac/VacCollectorDevice.java
index 7cf11213..c638b947 100644
--- a/numass-control/vac/src/main/java/inr/numass/readvac/VacCollectorDevice.java
+++ b/numass-control/vac/src/main/java/inr/numass/readvac/VacCollectorDevice.java
@@ -105,6 +105,7 @@ public class VacCollectorDevice extends Sensor<DataPoint> {
     @Override
     public void shutdown() throws ControlException {
         super.shutdown();
+        helper.close();
         for (Sensor sensor : getSensors()) {
             sensor.shutdown();
         }
@@ -116,7 +117,9 @@ public class VacCollectorDevice extends Sensor<DataPoint> {
             format.setType(s.getName(), ValueType.NUMBER);
         });
 
-        return LoaderFactory.buildPointLoder(connection.getStorage(), "vactms", "", "timestamp", format.build());
+        String suffix = DateTimeUtils.fileSuffix();
+
+        return LoaderFactory.buildPointLoder(connection.getStorage(), "vactms_" + suffix, "", "timestamp", format.build());
     }
 
     @Override
@@ -183,7 +186,6 @@ public class VacCollectorDevice extends Sensor<DataPoint> {
                 currentTask.cancel(force);
                 executor.shutdown();
                 currentTask = null;
-                helper.close();
                 afterStop();
             }
             return isRunning;
diff --git a/numass-control/vac/src/main/resources/config/devices.xml b/numass-control/vac/src/main/resources/config/devices.xml
index 84ab5ebb..c5c1677b 100644
--- a/numass-control/vac/src/main/resources/config/devices.xml
+++ b/numass-control/vac/src/main/resources/config/devices.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <config>
-    <!--<storage path="D:/temp/test"/>-->
+    <storage path="D:/temp/test"/>
     <device type="numass:vac">
         <sensor name="P1" color="red" port="tcp::192.168.111.33:4002" sensorType="mks"/>
         <sensor name="P2" color="blue" port="tcp::192.168.111.32:4002" sensorType="CM32"/>