diff --git a/script/test/onewire.py b/script/test/onewire.py
index 7250009..7b3ec37 100644
--- a/script/test/onewire.py
+++ b/script/test/onewire.py
@@ -1,7 +1,9 @@
+import traceback
 
 class Detector(ReadonlyRegisterBase):
-    def __init__(self):
-        self.name = None
+    def __init__(self, name):
+        ReadonlyRegisterBase.__init__(self, name) 
+        self.id = None
         self.sn = None
         self.status = None
         self.type = None
@@ -18,7 +20,7 @@ class Esera(TcpDevice):
          self.setMode(self.Mode.FullDuplex)
          self.detectors = []
          for i in range(30):
-             self.detectors.append(Detector())    
+             self.detectors.append(Detector("Detector " + str(i+1)))    
 
     def start(self):
         self.write("set,sys,run,1\n")
@@ -31,17 +33,21 @@ class Esera(TcpDevice):
 
     def doInitialize(self):           
         super(Esera, self).doInitialize()
-        
-        self.setState(State.Ready) #So can communicate
-        self.stop()
-        time.sleep(0.1)
-        self.flush()
-        self.detectors = []
-        for i in range(30):
-            self.detectors.append(Detector())            
-        self.list()    
-        time.sleep(0.1)    
-        self.start()
+        try:
+            self.setState(State.Ready) #So can communicate
+            self.stop()
+            time.sleep(0.1)
+            self.flush()
+            self.detectors = []
+            for i in range(30):
+                self.detectors.append(Detector())            
+            self.list()    
+            time.sleep(0.1)    
+            self.start()
+        except:
+            print  >> sys.stderr, traceback.format_exc()
+            getLogger().log(traceback.format_exc())
+            raise
 
     #def onByte(self, rx):
     #    print rx    
@@ -56,7 +62,7 @@ class Esera(TcpDevice):
                     print "Index = " , index
                     if index < len(self.detectors):
                         det = self.detectors[index]
-                        det.name = tokens[1] 
+                        det.id = tokens[1] 
                         det.sn= tokens[2] if len(tokens)>2 else None
                         det.status = int(tokens[3][2:]) if len(tokens)>3 else None
                         det.type = tokens[4] if len(tokens)>4 else None                    
@@ -64,8 +70,8 @@ class Esera(TcpDevice):
                  tokens = msg.split("|")
                  if len(tokens)>1:
                      for det in self.detectors:
-                         if det.name is not None and msg.startswith(det.name):
-                             index = int(tokens[0][len(det.name+1):len(det.name)+2])
+                         if det.id is not None and msg.startswith(det.id):
+                             index = int(tokens[0][len(det.id+1):len(det.id)+2])
                              print "i=" , i
                              input = tokens[1]
         except: