Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -r78ca8321ca7429b492dcbaa373262094ceadd901 -r7a7b289d28b91a8cf9ddbd6d5db542abaee9721f
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 78ca8321ca7429b492dcbaa373262094ceadd901)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 7a7b289d28b91a8cf9ddbd6d5db542abaee9721f)
@@ -996,7 +996,18 @@
     'CANCELLATION_MODE_WATER': ['water'],
     'NUM_OF_CANCELLATION_MODES': [],
 }
+@unique
+class DDConductivityResistanceAttributes(DialinEnum):
+    RAW_RESISTANCE                      = 0                     # Raw Conductivity resistance Attribute
+    RTD_RESISTANCE                      = 1                     # raw RTD resistance Attribute
+    NUM_OF_RESISTANCE_ATTRIBUTES        = 2                     # Number of conductivity sensor Attributes
 
+DDConductivityResistanceAttributes._str_list = {
+    # Official Name :       Accepted strings
+    'RAW_RESISTANCE': ['cond resistance,'],
+    'RTD_RESISTANCE': ['rtd resistance'],
+    'NUM_OF_RESISTANCE_ATTRIBUTES': [],
+}
 @unique
 class DDSubstitutionPumpAttributes(DialinEnum):
     TARGET_SPEED                        = 0                     # Target RPM Substitution Pump Attribute
Index: leahi_dialin/common/dd_defs_proxy.py
===================================================================
diff -u -r5f8fef12f850bb73e1f8e7d7372a404e9db07fa4 -r7a7b289d28b91a8cf9ddbd6d5db542abaee9721f
--- leahi_dialin/common/dd_defs_proxy.py	(.../dd_defs_proxy.py)	(revision 5f8fef12f850bb73e1f8e7d7372a404e9db07fa4)
+++ leahi_dialin/common/dd_defs_proxy.py	(.../dd_defs_proxy.py)	(revision 7a7b289d28b91a8cf9ddbd6d5db542abaee9721f)
@@ -57,23 +57,24 @@
     DDSubstitutionPumpNames         = dd_defs.DDSubstitutionPumpNames
 
     # Sensor Attributes
-    DDBalancingChamberStates        = dd_defs.DDBalancingChamberStates
-    DDBalancingChamberSwitchStates  = dd_defs.DDBalancingChamberSwitchStates
-    DDBicartChFFillExecStates       = dd_defs.DDBicartChFFillExecStates
-    DDBloodLeakStates               = dd_defs.DDBloodLeakStates
-    DDConcentratePumpAttributes     = dd_defs.DDConcentratePumpAttributes
-    DDConcentratePumpStates         = dd_defs.DDConcentratePumpStates
-    DDDialysatePumpAttributes       = dd_defs.DDDialysatePumpAttributes
-    DDDialysatePumpsStates          = dd_defs.DDDialysatePumpsStates
-    DDDryBicartDrainExecStates      = dd_defs.DDDryBicartDrainExecStates
-    DDDryBicartFillExecStates       = dd_defs.DDDryBicartFillExecStates
-    DDHeaterStartStop               = dd_defs.DDHeaterStartStop
-    DDHeaterAttributes              = dd_defs.DDHeaterAttributes
-    DDHeaterExecState               = dd_defs.DDHeaterExecState
-    DDPistonPumpAttributes          = dd_defs.DDPistonPumpAttributes
-    DDSpentChFillExecState          = dd_defs.DDSpentChFillExecState
-    DDValveStates                   = dd_defs.DDValveStates
-    DDCancelModes                   = dd_defs.DDCancelModes
+    DDBalancingChamberStates            = dd_defs.DDBalancingChamberStates
+    DDBalancingChamberSwitchStates      = dd_defs.DDBalancingChamberSwitchStates
+    DDBicartChFFillExecStates           = dd_defs.DDBicartChFFillExecStates
+    DDBloodLeakStates                   = dd_defs.DDBloodLeakStates
+    DDConcentratePumpAttributes         = dd_defs.DDConcentratePumpAttributes
+    DDConcentratePumpStates             = dd_defs.DDConcentratePumpStates
+    DDDialysatePumpAttributes           = dd_defs.DDDialysatePumpAttributes
+    DDDialysatePumpsStates              = dd_defs.DDDialysatePumpsStates
+    DDDryBicartDrainExecStates          = dd_defs.DDDryBicartDrainExecStates
+    DDDryBicartFillExecStates           = dd_defs.DDDryBicartFillExecStates
+    DDHeaterStartStop                   = dd_defs.DDHeaterStartStop
+    DDHeaterAttributes                  = dd_defs.DDHeaterAttributes
+    DDHeaterExecState                   = dd_defs.DDHeaterExecState
+    DDPistonPumpAttributes              = dd_defs.DDPistonPumpAttributes
+    DDSpentChFillExecState              = dd_defs.DDSpentChFillExecState
+    DDValveStates                       = dd_defs.DDValveStates
+    DDCancelModes                       = dd_defs.DDCancelModes
+    DDConductivityResistanceAttributes  = dd_defs.DDConductivityResistanceAttributes
     DDSubstitutionPumpAttributes    = dd_defs.DDSubstitutionPumpAttributes
 
 dd_enum_repository = DD_Defs()
Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -r9c2fab5b413da62b218e6a9a12a5752e974071a0 -r7a7b289d28b91a8cf9ddbd6d5db542abaee9721f
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 9c2fab5b413da62b218e6a9a12a5752e974071a0)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 7a7b289d28b91a8cf9ddbd6d5db542abaee9721f)
@@ -197,7 +197,9 @@
     MSG_ID_UI_TUBE_SET_AUTHENTICATION_ACK_RESPONSE = 0xAF
     MSG_ID_TD_SYRINGE_PUMP_DATA = 0xB1
     MSG_ID_TD_HEPARIN_PAUSE_RESUME_RESPONSE= 0xB2
-    MSG_ID_DD_SUBSTITUTION_PUMP_DATA = 0xA9
+    MSG_ID_FFU_SIGNAL_TD_UPDATE_AVAILABLE = 0xB3
+    MSG_ID_FFU_SIGNAL_DD_UPDATE_AVAILABLE = 0xB4
+    MSG_ID_DD_SUBSTITUTION_PUMP_DATA = 0xB5
     MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_DATA = 0xB6
     MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
 
@@ -397,6 +399,7 @@
     MSG_ID_DD_FLOATER_LEVEL_OVERRIDE_REQUEST = 0xA06C
     MSG_ID_DD_SUBSTITUTION_PUMP_START_STOP_OVERRIDE_REQUEST = 0xA06D
     MSG_ID_DD_SUBSTITUTION_PUMP_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA06E
+    MSG_ID_DD_SUBSTITUTION_PUMP_TARGET_SPEED_OVERRIDE_REQUEST = 0xA06F
 
     # Placeholder messages
     MSG_ID_DD_ALARM_STATE_OVERRIDE_REQUEST = 0xAF03