Index: dialin/hd/syringe_pump.py
===================================================================
diff -u -r62df70b019fa433c8f345d2e1699e6c8f204af2c -r0b18cfb156484335a10a6ff0947f2ef874bd9928
--- dialin/hd/syringe_pump.py	(.../syringe_pump.py)	(revision 62df70b019fa433c8f345d2e1699e6c8f204af2c)
+++ dialin/hd/syringe_pump.py	(.../syringe_pump.py)	(revision 0b18cfb156484335a10a6ff0947f2ef874bd9928)
@@ -324,7 +324,7 @@
         """
 
         rst = integer_to_bytearray(reset)
-        rat = integer_to_bytearray(rate)
+        rat = float_to_bytearray(rate)
         payload = rst + rat
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
@@ -362,7 +362,7 @@
         """
 
         rst = integer_to_bytearray(reset)
-        vol = integer_to_bytearray(volts)
+        vol = float_to_bytearray(volts)
         payload = rst + vol
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
@@ -400,7 +400,7 @@
         """
 
         rst = integer_to_bytearray(reset)
-        vol = integer_to_bytearray(volts)
+        vol = float_to_bytearray(volts)
         payload = rst + vol
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
@@ -438,7 +438,7 @@
         """
 
         rst = integer_to_bytearray(reset)
-        vol = integer_to_bytearray(volts)
+        vol = float_to_bytearray(volts)
         payload = rst + vol
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
@@ -476,7 +476,7 @@
         """
 
         rst = integer_to_bytearray(reset)
-        vol = integer_to_bytearray(volume)
+        vol = float_to_bytearray(volume)
         payload = rst + vol
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,