Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -r1a7cd1e4a5f691c12086e123bf9294166877a882 -rcf2068872f9d6c000e67ede2dca3e207aa1d041e
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 1a7cd1e4a5f691c12086e123bf9294166877a882)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision cf2068872f9d6c000e67ede2dca3e207aa1d041e)
@@ -129,4 +129,37 @@
 class DDBalancingChamberSwitchStates(DialinEnum):
     BAL_CHAMBER_SW_STATE1 = 0                              # Balancing chamber switching state 1 (V2,V5 and V3, V8 open, rest closed)
     BAL_CHAMBER_SW_STATE2 = 1                              # Balancing chamber switching state 2 ( V1,V6 and V4, V7 open, rest closed)
-    NUM_OF_BAL_CHAMBER_SW = 2                              # Number of balancing chamber states
\ No newline at end of file
+    NUM_OF_BAL_CHAMBER_SW = 2                              # Number of balancing chamber states
+
+@unique
+class ConductivitySensorsEnum(DialinEnum):
+    D17_COND = 0
+    D27_COND = 1
+    D29_COND = 2
+    D43_COND = 3
+    D74_COND = 4
+    NUM_OF_CONDUCTIVITY_SENSORS = 5
+
+@unique
+class DialysatePumpsEnum(DialinEnum):
+    D12_PUMP = 0                # Fresh Dialysate Pump
+    D48_PUMP = 1                # Spent Dialysate Pump
+
+@unique
+class DialysatePumpAttributesEnum(DialinEnum):
+    TARGET_RPM = 0
+    MEASURED_SPEED = 1
+    CURRENT_SPEED = 2
+    STATE = 3
+    TARGET_PRESSURE = 4
+    MEASURED_PRESSURE = 5
+    MEASURED_CURRENT = 6
+    CONTROL = 7
+    DIRECTION_ERROR_COUNT = 8
+    MEASURED_DIRECTION = 9
+
+@unique
+class DDDialysatePumpsStates(DialinEnum):
+    DIALYSATE_PUMP_OFF_STATE = 0
+    DIALYSATE_PUMP_RAMP_UP_STATE = 1
+    DIALYSATE_PUMP_CONTROL_TO_TARGET_STATE = 2
\ No newline at end of file