Index: dialin/hd/pressure_occlusion.py
===================================================================
diff -u -r9d9105c7dc3379c2e14996522291b23a19e7ba46 -rcdd3a485aebd088ffcab9848e6f1d0ec50e29624
--- dialin/hd/pressure_occlusion.py	(.../pressure_occlusion.py)	(revision 9d9105c7dc3379c2e14996522291b23a19e7ba46)
+++ dialin/hd/pressure_occlusion.py	(.../pressure_occlusion.py)	(revision cdd3a485aebd088ffcab9848e6f1d0ec50e29624)
@@ -314,3 +314,22 @@
         else:
             print("Timeout!!!!")
             return False
+
+    # TEST CODE ***************************************
+    def test_can_message(self, seq):
+        zero = self.outer_instance.integer2ByteArray(0)
+        seq1 = self.outer_instance.integer2ByteArray(seq)
+        seq2 = self.outer_instance.integer2ByteArray(seq+1)
+        seq3 = self.outer_instance.integer2ByteArray(seq+2)
+        seq4 = self.outer_instance.integer2ByteArray(seq+3)
+        seq5 = self.outer_instance.integer2ByteArray(seq+4)
+
+        payload = seq1 + zero + seq2 + zero + seq3 + zero + seq4 + zero + seq5
+
+        message = DenaliMessage.buildMessage(channel_id=DenaliChannels.dialin_to_hd_ch_id,
+                                             message_id=6,
+                                             payload=payload)
+
+        received_message = self.outer_instance.can_interface.send(message, 0)
+
+        return True
Index: dialin/hd/ui_proxy.py
===================================================================
diff -u -rd24761670b6f557bf44ff5bb762c119a2e7cc889 -rcdd3a485aebd088ffcab9848e6f1d0ec50e29624
--- dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision d24761670b6f557bf44ff5bb762c119a2e7cc889)
+++ dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision cdd3a485aebd088ffcab9848e6f1d0ec50e29624)
@@ -177,7 +177,8 @@
         build = struct.unpack('H', bytearray(
             message['message'][self.START_POS_BUILD:self.END_POS_BUILD]))
 
-        self.hd_version = 'v'+str(major)+'.'+str(minor)+'.'+str(build)
+        self.hd_version = 'v'+str(major[0])+'.'+str(minor[0])+'.'+str(build[0])
+        print(self.hd_version)
 
     def handler_treatment_param_ranges(self, message):
         """
Index: tests/SeansHDTestScript.py
===================================================================
diff -u
--- tests/SeansHDTestScript.py	(revision 0)
+++ tests/SeansHDTestScript.py	(revision cdd3a485aebd088ffcab9848e6f1d0ec50e29624)
@@ -0,0 +1,42 @@
+###########################################################################
+#
+#  Copyright (c) 2019-2019 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 HD_TestScript.py
+#
+#  @date 19-Nov-2019
+#  @author S. Nash
+#
+#  @brief This is an example test script for the HD.
+#
+############################################################################
+
+import sys
+sys.path.append("..")
+from dialin.hd.hemodialysis_device import HD
+from time import sleep
+
+if __name__ == "__main__":
+    # create an HD object called hd
+    hd = HD()
+    sleep(2)
+
+    # log into HD
+#    if hd.cmd_log_in_to_hd() == 0:
+#        exit(1)
+
+    # reset sequence counter
+    x = 0
+#    sleep(2)
+    # send large CAN test messages (6 frames each) every 100ms
+    while True:
+        sleep(0.1)
+        hd.pressure_occlusion.test_can_message(x)
+        x += 6
+
+    exit(1)
+
+
Index: tests/SeansUFTest.py
===================================================================
diff -u
--- tests/SeansUFTest.py	(revision 0)
+++ tests/SeansUFTest.py	(revision cdd3a485aebd088ffcab9848e6f1d0ec50e29624)
@@ -0,0 +1,56 @@
+###########################################################################
+#
+#  Copyright (c) 2019-2019 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 HD_UFTest.py
+#
+#  @date 28-Jan-2020
+#  @author S. Nash
+#
+#  @brief This script simulates 300 grams of load cell increase over 15 minutes (20 mL/min).
+#
+############################################################################
+
+import sys
+sys.path.append("..")
+from dialin.hd.hemodialysis_device import HD
+from time import sleep
+
+if __name__ == "__main__":
+    # create an HD object called hd
+    hd = HD()
+    sleep(2)
+
+    # log in to HD as tester
+    if hd.cmd_log_in_to_hd() == 0:
+        exit(1)
+    sleep(1)
+
+    loadCellGrams = float(1500.0)          #start reservoir at 1.5 L (1,500 g)
+    hdUFRate = 20.0                        #assuming UF rate is 20 mL/min
+    idealWeightChange = hdUFRate / 60.0    #if DPo is controlling perfectly, this would be the weight gain per second
+
+    while hd.dialysate_outlet_flow.PWMDutyCyclePct < 15.0:   #wait for treatment to start
+        hd.dialysate_outlet_flow.CmdSetLoadCellWeights(loadCellGrams, 0.0, 0.0, 0.0)
+        sleep(1)
+
+    # simulate load cell increase over time w/ some response to UF control
+    while True:
+        sleep(1)
+        error = hd.dialysate_outlet_flow.PWMDutyCyclePct - hd.dialysate_outlet_flow.PWMDutyCyclePct
+        addedWeight = error * 0.1
+        loadCellGrams += addedWeight
+        hd.dialysate_outlet_flow.CmdSetLoadCellWeights(loadCellGrams, 0.0, 0.0, 0.0)
+        print("DPi PWM: " + str(hd.dialysate_outlet_flow.PWMDutyCyclePct) + " DPo PWM: " + str(hd.dialysate_outlet_flow.PWMDutyCyclePct))
+        print("Treatment Time: " + str(hd.treatment.TreatmentTimeElapsed) + " sec.")
+        print("Reservoir Vol.: " + str(loadCellGrams) + " mL.")
+        print("Reference Vol.: " + str(hd.dialysate_outlet_flow.ReferenceDialysateOutletUFVolume) + " mL.")
+        print("Meas.  UF Vol.: " + str(hd.dialysate_outlet_flow.MeasuredDialysateOutletUFVolume) + " mL.")
+        print("")
+
+    exit(1)
+
+