Index: leahi_dialin/td/modules/pressure_sensors.py
===================================================================
diff -u -rddff9b411685f2a08790ae47ff691d9d32937a7a -rbf4919e5da8d2a6c0288d63341bfca7886c5ab2e
--- leahi_dialin/td/modules/pressure_sensors.py	(.../pressure_sensors.py)	(revision ddff9b411685f2a08790ae47ff691d9d32937a7a)
+++ leahi_dialin/td/modules/pressure_sensors.py	(.../pressure_sensors.py)	(revision bf4919e5da8d2a6c0288d63341bfca7886c5ab2e)
@@ -44,7 +44,10 @@
             self.msg_id_td_pressure_data = MsgIds.MSG_ID_TD_PRESSURE_DATA.value
             self.can_interface.register_receiving_publication_function(channel_id, self.msg_id_td_pressure_data,
                                                                        self._handler_pressure_sync)
+        #: The timestamp of the latest message
         self.td_pressure_timestamp = 0.0
+        
+        #: A dictionary for for TD Pressure data
         self.td_pressure_sensors = {
             td_enum_repository.TDPressureSensorNames.H2_PRES.name: {
                 td_enum_repository.TDPressureSensorAttributes.PRES.name: 0.0,
@@ -62,10 +65,20 @@
                 td_enum_repository.TDPressureSensorAttributes.PRES.name : 0.0
             }
         }
+        
+        #: Pressure limits state value
         self.pressure_limits_state = 0
+        
+        #: Tmp Pressure value
         self.tmp_pressure = 0.0
+
+        #: Tmp Average Pressure value
         self.tmp_long_filtered_pressure = 0.0
+        
+        #: Tmp Pressure minimum limit value
         self.tmp_min_limit = 0.0
+        
+        #: Tmp Pressure maximum limit value
         self.tmp_max_limit = 0.0
 
 
@@ -88,28 +101,30 @@
         @return: none
         """
         sensor_list =[]
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES.name], 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES.name], 'f'))
-        sensor_list.append((self.pressure_limits_state, 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MIN.name], 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MAX.name], 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MIN.name], 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MAX.name], 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.LONG_FILTERED_PRESSURE.name], 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.LONG_FILTERED_PRESSURE.name], 'f'))
-        sensor_list.append((self.tmp_pressure, 'f'))
-        sensor_list.append((self.tmp_long_filtered_pressure, 'f'))
-        sensor_list.append((self.tmp_min_limit, 'f'))
-        sensor_list.append((self.tmp_max_limit, 'f'))
-        sensor_list.append((self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H23_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES.name], 'f'))
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES.name]', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES.name]', 'f'])
+        sensor_list.append(['self.pressure_limits_state', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MIN.name]', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MAX.name]', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MIN.name]', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES_LIMIT_MAX.name]', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H2_PRES.name][td_enum_repository.TDPressureSensorAttributes.LONG_FILTERED_PRESSURE.name]', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H14_PRES.name][td_enum_repository.TDPressureSensorAttributes.LONG_FILTERED_PRESSURE.name]', 'f'])
+        sensor_list.append(['self.tmp_pressure', 'f'])
+        sensor_list.append(['self.tmp_long_filtered_pressure', 'f'])
+        sensor_list.append(['self.tmp_min_limit', 'f'])
+        sensor_list.append(['self.tmp_max_limit', 'f'])
+        sensor_list.append(['self.td_pressure_sensors[td_enum_repository.TDPressureSensorNames.H23_PRES.name][td_enum_repository.TDPressureSensorAttributes.PRES.name]', 'f'])
 
         i = 1
         for sensor in sensor_list:
             start_pos = eval(f'MsgFieldPositions.START_POS_FIELD_{i}')
             end_pos = eval(f'MsgFieldPositions.END_POS_FIELD_{i}')
-            sensor[0] = struct.unpack(sensor[1],bytearray(message['message'][start_pos:end_pos]))[0]
+            value = struct.unpack(sensor[1],bytearray(message['message'][start_pos:end_pos]))[0]
+            if 'nan' in str(value).lower():
+                value = None
+            exec(f'{sensor[0]} = {value}')
             i += 1
-
         self.td_pressure_timestamp = timestamp