Put back the initialisation of OPCUA attributes, accidently got removed

devices/PCC.py

@@ -140,6 +140,16 @@ class PCC(hardware_device):
         self.OPCua_client = OPCUAConnection("opc.tcp://{}:{}/".format(self.OPC_Server_Name, self.OPC_Server_Port), "http://lofar.eu",
                                             self.OPC_Time_Out, self.Fault, self)
 
+        # map the attributes to the OPC ua comm client
+        for i in self.attr_list():
+            try:
+                i.set_comm_client(self.OPCua_client)
+            except:
+                pass
+
+        self.OPCua_client.start()
+
+
 
     # --------
     # Commands