Index: leahi_dialin/fp/proxies/dd_proxy.py
===================================================================
diff -u -r68422d08c4141999a13496343264483a32314d37 -re85c7cf5d047774554306685967e6398f6009861
--- leahi_dialin/fp/proxies/dd_proxy.py	(.../dd_proxy.py)	(revision 68422d08c4141999a13496343264483a32314d37)
+++ leahi_dialin/fp/proxies/dd_proxy.py	(.../dd_proxy.py)	(revision e85c7cf5d047774554306685967e6398f6009861)
@@ -40,23 +40,19 @@
 
         # no current registered call back methods
 
-    def cmd_dd_send_ro_start_stop_request(self, cmdID: int = 0, start: bool = 0, ro_rate: float = 0):
+    def cmd_set_start_stop_override_request(self, signal: int = 0):
         """
-        Constructs and sends a DD command request to the FP.
+        Constructs and sends a set start-stop override request to the FP to generate permeate.
 
-        @param: cmd_id: The DD command ID
-        @param: rejected: 0 for acceptance, 1 for rejection
-        @param: rejection_code: The rejection reason.
+        @param: signal: 0 to request stop and go to standby or 1 to start generate permeate via pre-generate
         @return: none
         """
-        cmd = integer_to_bytearray(cmdID)
-        stt = integer_to_bytearray(start)
-        rtt = float_to_bytearray(ro_rate)
-        payload = cmd + stt + rtt
+        sig = integer_to_bytearray(signal)
+        payload = sig
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_fp_ch_id,
-                                              message_id=MsgIds.MSG_ID_DD_FP_START_STOP_CMD_REQUEST.value,
+                                              message_id=MsgIds.MSG_ID_FP_SET_START_STOP_OVERRIDE_REQUEST.value,
                                               payload=payload)
 
-        self.logger.debug("Sending DD start stop request to FP.")
+        self.logger.debug("Sending start-stop request to FP.")
         self.can_interface.send(message, 0)