Index: DGDefs.h
===================================================================
diff -u -r26824c2522169dfb452c2d81f7223c29fd650819 -r51e97b24d0656c51586e7011b2f16416ca447d30
--- DGDefs.h	(.../DGDefs.h)	(revision 26824c2522169dfb452c2d81f7223c29fd650819)
+++ DGDefs.h	(.../DGDefs.h)	(revision 51e97b24d0656c51586e7011b2f16416ca447d30)
@@ -438,6 +438,7 @@
     DG_CMD_STOP_HEAT_DISINFECT = 13,    ///< Command to request DG to stop heat disinfect
     DG_CMD_START_CHEM_DISINFECT = 14,   ///< Command to request DG to start chemical disinfect
     DG_CMD_STOP_CHEM_DISINFECT = 15,    ///< Command to request DG to stop chemical disinfect
+    DG_CMD_REQUEST_CONC_RATIOS = 16,    ///< Command to request DG to send the concentrate pumps mixing ratios
     NUM_OF_DG_COMMANDS                  ///< Number of DG commands
 };
 typedef enum DG_Command DG_COMMAND_T;   ///< Type for DG commands enumeration
Index: MsgDefs.h
===================================================================
diff -u -re299de0237dea4b3503fa01613a0d1da6b5731d6 -r51e97b24d0656c51586e7011b2f16416ca447d30
--- MsgDefs.h	(.../MsgDefs.h)	(revision e299de0237dea4b3503fa01613a0d1da6b5731d6)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 51e97b24d0656c51586e7011b2f16416ca447d30)
@@ -198,6 +198,7 @@
     MSG_ID_DG_DIALYSATE_FLOW_METER_DATA = 0xA6,                         ///< DG dialysate flow meter data (liter/minute)
     MSG_ID_DG_ALARM_INFO = 0xA7,                                        ///< DG alarm information data publish
     MSG_ID_HD_RESERVOIRS_DATA = 0xA8,                                   ///< HD reservoirs data publish
+    MSG_ID_HD_REQUEST_DG_CONCENTRATE_RATIOS = 0xA9,                     ///< HD request DG concentrate ratios
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing