Index: leahi_dialin/td/modules/air_pump.py
===================================================================
diff -u -rb5dd582bf53a0b479c273de643759f6dfec3d2de -re8bdeec38984b4b800f6d0eca8b9097800efbf40
--- leahi_dialin/td/modules/air_pump.py	(.../air_pump.py)	(revision b5dd582bf53a0b479c273de643759f6dfec3d2de)
+++ leahi_dialin/td/modules/air_pump.py	(.../air_pump.py)	(revision e8bdeec38984b4b800f6d0eca8b9097800efbf40)
@@ -23,7 +23,7 @@
 from leahi_dialin.common.td_defs import td_enum_repository
 from leahi_dialin.protocols.CAN import DenaliChannels
 from leahi_dialin.utils.base import AbstractSubSystem, publish
-from leahi_dialin.utils.conversions import integer_to_bytearray
+from leahi_dialin.utils.conversions import integer_to_bytearray, float_to_bytearray
 
 MAX_AIR_PUMP_POWER_LEVEL = 255  #Maximum air pump power allowed
 
@@ -51,8 +51,12 @@
         self.td_air_pump = {
             td_enum_repository.TDAirPumpNames.H12_AIR_PUMP.name: {
                 td_enum_repository.TDAirPumpAttributes.STATE.name: 0,
-                td_enum_repository.TDAirPumpAttributes.POWER.name: 0,
-                td_enum_repository.TDAirPumpAttributes.RPM.name: 0
+                td_enum_repository.TDAirPumpAttributes.DUTY_CYCLE.name: 0,
+                td_enum_repository.TDAirPumpAttributes.RPM.name: 0,
+                # TODO remove after FPGA air pump speed validation
+                td_enum_repository.TDAirPumpAttributes.FPGA_RPM.name: 0,
+                # TODO remove after FPGA air pump speed validation
+                td_enum_repository.TDAirPumpAttributes.SCALAR_POWER.name: 0
             }
         }
 
@@ -69,8 +73,12 @@
         """
         sensor_list =[]
         sensor_list.append((td_enum_repository.TDAirPumpAttributes.STATE.name, 'i'))
-        sensor_list.append((td_enum_repository.TDAirPumpAttributes.POWER.name, 'i'))
+        sensor_list.append((td_enum_repository.TDAirPumpAttributes.DUTY_CYCLE.name, 'f'))
         sensor_list.append((td_enum_repository.TDAirPumpAttributes.RPM.name, 'i'))
+        # TODO remove after FPGA air pump speed validation
+        sensor_list.append((td_enum_repository.TDAirPumpAttributes.FPGA_RPM.name, 'i'))
+        # TODO remove after FPGA air pump speed validation
+        sensor_list.append((td_enum_repository.TDAirPumpAttributes.SCALAR_POWER.name, 'i'))
         
         i = 1
         for sensor in sensor_list:
@@ -117,13 +125,12 @@
         if dutyCycle < 0 or dutyCycle > 100:
             return 0
 
-        power = int((dutyCycle/100) * MAX_AIR_PUMP_POWER_LEVEL)
         sts = integer_to_bytearray(state)
-        pwr = integer_to_bytearray(power)
+        pwr = float_to_bytearray(dutyCycle)
         payload = sts + pwr
 
         state_name = 'start with power' if state == 2 else 'stopped'
-        power_value = f'{str(power)}' if state == 2 else ''
+        power_value = f'{str(dutyCycle)}' if state == 2 else ''
         return cmd_generic_override(
             payload = payload,
             reset = NO_RESET,