Index: dialin/dg/dialysate_generator.py
===================================================================
diff -u -r42feb8ffe3a0d7ab3a4de04ad0d58456afe2333b -rd24761670b6f557bf44ff5bb762c119a2e7cc889
--- dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision 42feb8ffe3a0d7ab3a4de04ad0d58456afe2333b)
+++ dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision d24761670b6f557bf44ff5bb762c119a2e7cc889)
@@ -38,6 +38,8 @@
     MSG_ID_DG_OPERATION_MODE_BROADCAST = 0x0027
     MSG_ID_LOGIN_TO_DG = 0xA000
     MSG_ID_DG_MSG = 0xA001
+    MSG_ID_DG_REQUEST_DG_VERSION = 0xA002
+    MSG_ID_DG_DG_VERSION_RESPONSE = 0xA003
 
     # HD login password
     DG_LOGIN_PASSWORD = '123'
@@ -46,6 +48,14 @@
     START_POS_DG_OP_MODE = DenaliMessage.PAYLOAD_START_INDEX
     END_POS_DG_OP_MODE = START_POS_DG_OP_MODE + 4
 
+    # DG version message field positions
+    START_POS_MAJOR = DenaliMessage.PAYLOAD_START_INDEX
+    END_POS_MAJOR = START_POS_MAJOR + 1
+    START_POS_MINOR = END_POS_MAJOR
+    END_POS_MINOR = START_POS_MINOR + 1
+    START_POS_BUILD = END_POS_MINOR
+    END_POS_BUILD = START_POS_BUILD + 2
+
     # DG operation modes
     DG_OP_MODE_FAULT = 0
     DG_OP_MODE_SERVICE = 1
@@ -82,7 +92,11 @@
             msg_id = self.MSG_ID_DG_OPERATION_MODE_BROADCAST
             self.can_interface.register_receiving_publication_function(channel_id, msg_id,
                                                                        self.handler_dg_op_mode_sync)
+            self.can_interface.register_receiving_publication_function(DenaliChannels.dg_to_dialin_ch_id, self.MSG_ID_DG_DG_VERSION_RESPONSE,
+                                                                  self.handler_dg_version)
 
+        # initialize variables that will be populated by DG version response
+        self.dg_version = ''
         # create properties
         self.dg_operation_mode = self.DG_OP_MODE_INIT_POST
 
@@ -94,6 +108,26 @@
         self.ro_pump = DGROPump(self.can_interface)
         self.drain_pump = DGDrainPump(self.can_interface)
 
+    def handler_dg_version(self, message):
+        """
+        Handler for response from DG regarding its version.
+
+        \param message:  response message from HD regarding valid treatment parameter ranges.\n
+            U08  Major \n
+            U08  Minor \n
+            U16  Build \n
+
+        \returns none
+        """
+        major = struct.unpack('B', bytearray(
+            message['message'][self.START_POS_MAJOR:self.END_POS_MAJOR]))
+        minor = struct.unpack('B', bytearray(
+            message['message'][self.START_POS_MINOR:self.END_POS_MINOR]))
+        build = struct.unpack('H', bytearray(
+            message['message'][self.START_POS_BUILD:self.END_POS_BUILD]))
+
+        self.dg_version = 'v' + str(major) + '.' + str(minor) + '.' + str(build)
+
     def handler_dg_op_mode_sync(self, message):
         """
         Handles published DG operation mode messages.  Current DG operation mode
@@ -163,6 +197,19 @@
             print("Timeout!!!!")
             return False
 
+    def cmd_ui_request_dg_version(self):
+        """
+        Constructs and sends the ui request for version message
+
+        """
+
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id,
+                                              message_id=self.MSG_ID_DG_REQUEST_DG_VERSION)
+
+        print("Sending Dialin request for version to DG")
+
+        self.can_interface.send(message, 0)
+
 if __name__ == "__main__":
     # create an DG object called dg
     dg = DG()
Index: dialin/dg/hd_proxy.py
===================================================================
diff -u -r42feb8ffe3a0d7ab3a4de04ad0d58456afe2333b -rd24761670b6f557bf44ff5bb762c119a2e7cc889
--- dialin/dg/hd_proxy.py	(.../hd_proxy.py)	(revision 42feb8ffe3a0d7ab3a4de04ad0d58456afe2333b)
+++ dialin/dg/hd_proxy.py	(.../hd_proxy.py)	(revision d24761670b6f557bf44ff5bb762c119a2e7cc889)
@@ -24,7 +24,6 @@
 
     \brief Dialysate Generator (DG) Dialin API sub-class for HD proxy commands.
     """
-
     # Pressure/Occlusion message IDs
     MSG_ID_HD_SWITCH_RESERVOIRS_CMD = 0x0021
     MSG_ID_HD_FILL_CMD = 0x0022
Index: dialin/hd/ui_proxy.py
===================================================================
diff -u -r089bdbd0666ffeef307621beb61d8a2e429b1a30 -rd24761670b6f557bf44ff5bb762c119a2e7cc889
--- dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision 089bdbd0666ffeef307621beb61d8a2e429b1a30)
+++ dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision d24761670b6f557bf44ff5bb762c119a2e7cc889)
@@ -331,7 +331,6 @@
         """
         Constructs and sends the ui request for version message
 
-        \returns 0
         """
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
@@ -341,8 +340,6 @@
 
         self.can_interface.send(message, 0)
 
-        return 0
-
     def cmd_ui_uf_pause_resume(self, cmd=UF_CMD_PAUSE):
         """
         Constructs and sends a ui UF command message