Index: dialin/dg/accelerometer.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/accelerometer.py	(.../accelerometer.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/accelerometer.py	(.../accelerometer.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -20,6 +20,7 @@
 from .constants import RESET, NO_RESET
 from ..utils.base import _AbstractSubSystem, _publish
 from ..common.msg_defs import MsgIds, MsgFieldPositions
+from ..utils.checks import check_broadcast_interval_override_ms
 from logging import Logger
 
 class DGAccelerometer(_AbstractSubSystem):
@@ -216,6 +217,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/concentrate_pumps.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/concentrate_pumps.py	(.../concentrate_pumps.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/concentrate_pumps.py	(.../concentrate_pumps.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 import struct
 from .constants import RESET,NO_RESET
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish, DialinEnum
 from ..common.msg_defs import MsgIds
@@ -212,6 +213,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         reset_byte_array = integer_to_bytearray(reset)
         ms_byte_array = integer_to_bytearray(ms)
         payload = reset_byte_array + ms_byte_array
Index: dialin/dg/conductivity_sensors.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/conductivity_sensors.py	(.../conductivity_sensors.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/conductivity_sensors.py	(.../conductivity_sensors.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 import struct
 from .constants import RESET,NO_RESET
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish, DialinEnum
 from ..common.msg_defs import MsgIds, MsgFieldPositions
@@ -148,6 +149,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         reset_byte_array = integer_to_bytearray(reset)
         ms_byte_array = integer_to_bytearray(ms)
         payload = reset_byte_array + ms_byte_array
Index: dialin/dg/dialysate_generator.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -30,18 +30,14 @@
 from .ro_pump import DGROPump
 from .samplewater import DGSampleWater
 from .temperature_sensors import TemperatureSensors
-from .conductivity_sensors import ConductivitySensors
-from .heat_disinfect import HeatDisinfect
 from .thermistors import Thermistors
 from .uv_reactors import UVReactors
-from .concentrate_pumps import ConcentratePumps
 from .calibration_record import DGCalibrationNVRecord
 from .system_record import DGSystemNVRecord
 from .service_record import DGServiceNVRecord
 from .scheduled_runs_record import DGScheduledRunsNVRecord
 from .valves import DGValves
 from .voltages import DGVoltages
-from ..utils.conversions import integer_to_bytearray
 from ..protocols.CAN import (DenaliCanMessenger, DenaliMessage, DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish, _LogManager
 from ..common.msg_defs import MsgIds, MsgFieldPositions
@@ -139,6 +135,7 @@
         # create properties
         self.dg_operation_mode = self.DG_OP_MODE_INIT_POST
         self.dg_operation_sub_mode = 0
+        self.dg_logged_in = False
 
         # Create command groups
         self.accel = DGAccelerometer(self.can_interface, self.logger)
@@ -201,6 +198,14 @@
         """
         return self.dg_operation_sub_mode
 
+    def get_dg_logged_in(self):
+        """
+        Gets the logged in status of the DG
+
+        @return: True if DG is logged in, False if not
+        """
+        return self.dg_logged_in
+
     @_publish(["dg_version", "fpga_version"])
     def _handler_dg_version(self, message):
         """
@@ -275,6 +280,7 @@
         if received_message is not None:
             if received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] == 1:
                 self.logger.info("Successfully logged in to the DG.")
+                self.dg_logged_in = True
             else:
                 self.logger.error("Log In Failed.")
             return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
@@ -342,3 +348,4 @@
         # Send message
         self.can_interface.send(message, 0)
         self.logger.debug("Sent request to DG to reset...")
+        self.dg_logged_in = False
Index: dialin/dg/drain_pump.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/drain_pump.py	(.../drain_pump.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/drain_pump.py	(.../drain_pump.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -19,6 +19,7 @@
 from .constants import RESET, NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish, DialinEnum
+from ..utils.checks import check_broadcast_interval_override_ms
 from logging import Logger
 from enum import unique
 
@@ -157,6 +158,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/fans.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/fans.py	(.../fans.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/dg/fans.py	(.../fans.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -1,6 +1,7 @@
 
 import struct
 from ..utils.conversions import integer_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import NO_RESET, RESET
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -149,6 +150,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/fluid_leak.py
===================================================================
diff -u -r79b47911f0ea424cd8dc10c1e1f150b84d4dfa54 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/fluid_leak.py	(.../fluid_leak.py)	(revision 79b47911f0ea424cd8dc10c1e1f150b84d4dfa54)
+++ dialin/dg/fluid_leak.py	(.../fluid_leak.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import RESET, NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -118,6 +119,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/heaters.py
===================================================================
diff -u -r18c04cbcd10619250868cec39470a2b29c86121b -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/heaters.py	(.../heaters.py)	(revision 18c04cbcd10619250868cec39470a2b29c86121b)
+++ dialin/dg/heaters.py	(.../heaters.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -17,6 +17,7 @@
 import struct
 from ..utils.conversions import integer_to_bytearray
 from ..utils.conversions import float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -176,6 +177,9 @@
         @param reset: (int) 1 to reset a previous override, 0 to override
         @returns 1 if successful, zero otherwise
         """
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         resetValue = integer_to_bytearray(reset)
         intervalValue = integer_to_bytearray(ms)
         payload = resetValue + intervalValue
Index: dialin/dg/load_cells.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/load_cells.py	(.../load_cells.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/load_cells.py	(.../load_cells.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import RESET,NO_RESET
 from ..protocols.CAN import (DenaliMessage,
@@ -140,6 +141,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/pressures.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/pressures.py	(.../pressures.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/pressures.py	(.../pressures.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import NO_RESET
 from ..protocols.CAN import (DenaliMessage,
@@ -149,6 +150,9 @@
 
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         ivl = integer_to_bytearray(ms)
         payload = rst + ivl
Index: dialin/dg/reservoirs.py
===================================================================
diff -u -r5120ddfc3108ba5b8280adf73c4523c11feb935b -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/reservoirs.py	(.../reservoirs.py)	(revision 5120ddfc3108ba5b8280adf73c4523c11feb935b)
+++ dialin/dg/reservoirs.py	(.../reservoirs.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,7 +15,6 @@
 ############################################################################
 import struct
 from logging import Logger
-
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish
Index: dialin/dg/ro_pump.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/ro_pump.py	(.../ro_pump.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/dg/ro_pump.py	(.../ro_pump.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import RESET, NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -236,6 +237,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/temperature_sensors.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/temperature_sensors.py	(.../temperature_sensors.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/dg/temperature_sensors.py	(.../temperature_sensors.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 import struct
 from ..utils.conversions import integer_to_bytearray
 from ..utils.conversions import float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -212,6 +213,9 @@
         @param reset: (int) 1 to reset a previous override, 0 to override
         @returns 1 if successful, zero otherwise
         """
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         reset_value = integer_to_bytearray(reset)
         interval_value = integer_to_bytearray(ms)
         payload = reset_value + interval_value
Index: dialin/dg/thermistors.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/thermistors.py	(.../thermistors.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/thermistors.py	(.../thermistors.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -4,6 +4,7 @@
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish, DialinEnum
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET, NO_RESET
 from logging import Logger
 from enum import unique
@@ -110,6 +111,9 @@
         @param reset: (int) 1 to reset a previous override, 0 to override
         @return: 1 if successful, zero otherwise
         """
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/uv_reactors.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/uv_reactors.py	(.../uv_reactors.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/dg/uv_reactors.py	(.../uv_reactors.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -1,6 +1,7 @@
 
 import struct
 from ..utils.conversions import integer_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import NO_RESET, RESET
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -123,6 +124,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/dg/valves.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/valves.py	(.../valves.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/dg/valves.py	(.../valves.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 
 import struct
 from ..utils.conversions import integer_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds
 from .constants import NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -346,6 +347,9 @@
 
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         ivl = integer_to_bytearray(ms)
         payload = rst + ivl
Index: dialin/dg/voltages.py
===================================================================
diff -u -ra6d0b0a53d05e1e6458c75f2ab77ac5bbf82b547 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/dg/voltages.py	(.../voltages.py)	(revision a6d0b0a53d05e1e6458c75f2ab77ac5bbf82b547)
+++ dialin/dg/voltages.py	(.../voltages.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 import struct
 from enum import unique
 from ..utils.base import DialinEnum
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
@@ -187,6 +188,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/accelerometer.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/accelerometer.py	(.../accelerometer.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/hd/accelerometer.py	(.../accelerometer.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -17,6 +17,7 @@
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET, NO_RESET
 from ..utils.base import _AbstractSubSystem, _publish
 from ..common.msg_defs import MsgIds, MsgFieldPositions
@@ -216,6 +217,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/air_trap.py
===================================================================
diff -u -raf21ad6b590a05515b33e573d1c9236f21cafa3e -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/air_trap.py	(.../air_trap.py)	(revision af21ad6b590a05515b33e573d1c9236f21cafa3e)
+++ dialin/hd/air_trap.py	(.../air_trap.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET,NO_RESET
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from ..protocols.CAN import (DenaliMessage,
@@ -149,6 +150,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/alarms.py
===================================================================
diff -u -rdcc724fe28fdd2600c916f6e6ac4a9ad6f0b4a9b -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/alarms.py	(.../alarms.py)	(revision dcc724fe28fdd2600c916f6e6ac4a9ad6f0b4a9b)
+++ dialin/hd/alarms.py	(.../alarms.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -22,6 +22,7 @@
                              DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 
 
 class HDAlarms(_AbstractSubSystem):
@@ -504,6 +505,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/blood_flow.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/blood_flow.py	(.../blood_flow.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/hd/blood_flow.py	(.../blood_flow.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET, NO_RESET
 from .constants import PUMP_CONTROL_MODE_CLOSED_LOOP, PUMP_CONTROL_MODE_OPEN_LOOP
 from ..utils.base import _AbstractSubSystem, _publish
@@ -456,6 +457,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/dialysate_inlet_flow.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/dialysate_inlet_flow.py	(.../dialysate_inlet_flow.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/hd/dialysate_inlet_flow.py	(.../dialysate_inlet_flow.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -17,6 +17,7 @@
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET, NO_RESET
 from .constants import PUMP_CONTROL_MODE_CLOSED_LOOP, PUMP_CONTROL_MODE_OPEN_LOOP
 from ..utils.base import _AbstractSubSystem, _publish
@@ -461,6 +462,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/dialysate_outlet_flow.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/dialysate_outlet_flow.py	(.../dialysate_outlet_flow.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/hd/dialysate_outlet_flow.py	(.../dialysate_outlet_flow.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -17,6 +17,7 @@
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET, NO_RESET
 from .constants import PUMP_CONTROL_MODE_CLOSED_LOOP, PUMP_CONTROL_MODE_OPEN_LOOP
 from ..utils.base import _AbstractSubSystem, _publish
@@ -446,6 +447,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/fluid_leak.py
===================================================================
diff -u -ra6d0b0a53d05e1e6458c75f2ab77ac5bbf82b547 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/fluid_leak.py	(.../fluid_leak.py)	(revision a6d0b0a53d05e1e6458c75f2ab77ac5bbf82b547)
+++ dialin/hd/fluid_leak.py	(.../fluid_leak.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .constants import RESET, NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
@@ -118,6 +119,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/hemodialysis_device.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -88,6 +88,7 @@
         # create properties
         self.hd_operation_mode = HDOpModes.MODE_INIT.value
         self.hd_operation_sub_mode = 0
+        self.hd_logged_in = False
 
         # Create command groups
         self.accel = HDAccelerometer(self.can_interface, self.logger)
@@ -119,6 +120,14 @@
         """
         return self.hd_operation_mode
 
+    def get_hd_logged_in(self):
+        """
+        Gets the logged in status of the HD
+
+        @return: True if HD is logged in, False if not
+        """
+        return self.hd_logged_in
+
     @_publish(["hd_operation_mode"])
     def _handler_hd_op_mode_sync(self, message):
         """
@@ -157,6 +166,7 @@
         if received_message is not None:
             if received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] == 1:
                 self.logger.debug("Success: Logged In")
+                self.hd_logged_in = True
             else:
                 self.logger.debug("Failure: Log In Failed.")
             return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
@@ -297,3 +307,4 @@
         # Send message
         self.can_interface.send(message, 0)
         self.logger.debug("Sent request to HD to reset...")
+        self.hd_logged_in = False
Index: dialin/hd/pressure_occlusion.py
===================================================================
diff -u -r4ff3b2874eb12aee034d1f85ae32c161d05efc00 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/pressure_occlusion.py	(.../pressure_occlusion.py)	(revision 4ff3b2874eb12aee034d1f85ae32c161d05efc00)
+++ dialin/hd/pressure_occlusion.py	(.../pressure_occlusion.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -17,6 +17,7 @@
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET, NO_RESET
 from ..utils.base import _AbstractSubSystem, _publish
 from ..common.msg_defs import MsgIds, MsgFieldPositions
@@ -326,6 +327,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/syringe_pump.py
===================================================================
diff -u -r1b768bf4593cd29f00a5e07546c3e7b16d7a646c -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/syringe_pump.py	(.../syringe_pump.py)	(revision 1b768bf4593cd29f00a5e07546c3e7b16d7a646c)
+++ dialin/hd/syringe_pump.py	(.../syringe_pump.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -15,6 +15,7 @@
 ############################################################################
 import struct
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import RESET,NO_RESET
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from ..protocols.CAN import (DenaliMessage,
@@ -299,6 +300,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/hd/ui_proxy.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -240,9 +240,9 @@
         self.treatment_end_cmd_reject_reason = 0
 
         self.reject_reasons = OrderedDict()
-        for attr in dir(self):
-            if not callable(getattr(self, attr)) and attr.startswith("REQUEST_REJECT"):
-                self.reject_reasons[attr] = getattr(self, attr)
+        for attr in RequestRejectReasons.__members__:
+            attr: RequestRejectReasons = attr
+            self.reject_reasons[attr.name] = attr.value
         self.reject_reasons = OrderedDict(sorted(self.reject_reasons.items(), key=lambda key: key[1]))
 
     def get_hd_version(self):
Index: dialin/hd/valves.py
===================================================================
diff -u -rf89093ee0f0b9159df2ae4e0b86971f0e0e1b448 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/valves.py	(.../valves.py)	(revision f89093ee0f0b9159df2ae4e0b86971f0e0e1b448)
+++ dialin/hd/valves.py	(.../valves.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -17,6 +17,7 @@
 
 import struct
 from ..utils.conversions import integer_to_bytearray
+from ..utils.checks import check_broadcast_interval_override_ms
 from .constants import NO_RESET
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
 from ..utils.base import _AbstractSubSystem, _publish, DialinEnum
@@ -148,6 +149,9 @@
         @param reset: integer - 1 to reset a previous override, 0 to override
         @returns 1 if successful, zero otherwise
         """
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         reset_value = integer_to_bytearray(reset)
         interval_value = integer_to_bytearray(ms)
         payload = reset_value + interval_value
Index: dialin/hd/voltages.py
===================================================================
diff -u -ra6d0b0a53d05e1e6458c75f2ab77ac5bbf82b547 -ra2d44432a913537ca0627cd7dde7dcb1154f2156
--- dialin/hd/voltages.py	(.../voltages.py)	(revision a6d0b0a53d05e1e6458c75f2ab77ac5bbf82b547)
+++ dialin/hd/voltages.py	(.../voltages.py)	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -16,6 +16,7 @@
 import struct
 from enum import unique
 from ..utils.base import DialinEnum
+from ..utils.checks import check_broadcast_interval_override_ms
 from ..protocols.CAN import (DenaliMessage,
                              DenaliChannels)
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
@@ -159,6 +160,9 @@
         @return: 1 if successful, zero otherwise
         """
 
+        if not check_broadcast_interval_override_ms(ms):
+            return False
+
         rst = integer_to_bytearray(reset)
         mis = integer_to_bytearray(ms)
         payload = rst + mis
Index: dialin/utils/checks.py
===================================================================
diff -u
--- dialin/utils/checks.py	(revision 0)
+++ dialin/utils/checks.py	(revision a2d44432a913537ca0627cd7dde7dcb1154f2156)
@@ -0,0 +1,27 @@
+###########################################################################
+#
+# Copyright (c) 2019-2021 Diality Inc. - All Rights Reserved.
+#
+# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+#
+# @file checks.py
+#
+# @author (last) Sean Nash
+# @date (last) 27-May-2021
+# @author (original) Sean Nash
+# @date (original) 27-May-2021
+#
+############################################################################
+
+def check_broadcast_interval_override_ms(ms:int):
+    """
+    Checks whether a given broadcast interval override (in ms) is valid.
+
+    @param ms: (int) number of ms being used to override a broadcast interval
+    @return: True if valid, False if not
+    """
+    result = False
+    if ms > 0 and ms % 50 == 0:
+        result = True
+    return result