Index: leahi_dialin/dd/modules/drybicart.py
===================================================================
diff -u -r78b7d4b47c77f390fdb0c796e4861cc9abb343fd -r4fc29aead7deff5ba3ddb4c9e1290fc0d5b2b6e8
--- leahi_dialin/dd/modules/drybicart.py	(.../drybicart.py)	(revision 78b7d4b47c77f390fdb0c796e4861cc9abb343fd)
+++ leahi_dialin/dd/modules/drybicart.py	(.../drybicart.py)	(revision 4fc29aead7deff5ba3ddb4c9e1290fc0d5b2b6e8)
@@ -54,7 +54,7 @@
         self.dd_dry_bicart_timestamp = 0.0                      #: The timestamp of the last message
         self.dd_dry_bicart_fill_execution_state = 0             #: The Dry Bicart fill execution state
         self.dd_bicarb_chamber_fill_execution_state = 0         #: The Bicarb chamber fill execution state
-        self.dd_dry_bicart_drain_execution_state = 0.0          #: The Dry Bicart drain execution state
+        self.dd_dry_bicart_drain_execution_state = 0        #: The Dry Bicart drain execution state
         self.dd_dry_bicart_fill_cycle_counter = 0               #: The Dry Bicart fill cycle counter
         self.dd_dry_bicart_max_fill_cycle_count = 0             #: The Dry Bicart max fill cycle state
         self.dd_dry_bicart_fill_request = 0                     #: Is fill requested for Dry Bicart or not
@@ -83,7 +83,7 @@
         msg_list = []
         msg_list.append(('self.dd_dry_bicart_fill_execution_state',     DataTypes.U32))
         msg_list.append(('self.dd_bicarb_chamber_fill_execution_state', DataTypes.U32))
-        msg_list.append(('self.dd_dry_bicart_drain_execution_state',    DataTypes.F32))
+        msg_list.append(('self.dd_dry_bicart_drain_execution_state',    DataTypes.U32))
         msg_list.append(('self.dd_dry_bicart_fill_cycle_counter',       DataTypes.U32))
         msg_list.append(('self.dd_dry_bicart_max_fill_cycle_count',     DataTypes.U32))
         msg_list.append(('self.dd_dry_bicart_fill_request',             DataTypes.U32))
@@ -240,3 +240,26 @@
             override_text=str(small_large),
             logger=self.logger,
             can_interface=self.can_interface)
+
+    def cmd_dry_bicart_depressurise_override(self, depressurise: int, reset: int = NO_RESET) -> int:
+        """
+        Constructs and sends the dry bicart depressurise override command
+        Constraints:
+            Must be logged into DD.
+
+        @param depressurise:  int - value for depressurise ( depressurise = 1
+        @return: 1 if successful, zero otherwise
+        """
+        depressurise = integer_to_bytearray(depressurise)
+        reset_byte_array = integer_to_bytearray(reset)
+        payload = reset_byte_array + depressurise
+
+        return cmd_generic_override(
+            payload=payload,
+            reset=reset,
+            channel_id=CanChannels.dialin_to_dd_ch_id,
+            msg_id=MsgIds.MSG_ID_DD_BICART_DEPRESSURISE_REQUEST_OVERRIDE_REQUEST,
+            entity_name='Bicart Depressurise',
+            override_text=str(depressurise),
+            logger=self.logger,
+            can_interface=self.can_interface)