UniData Communication Systems Starflow QSD Manual page 16

RS485 Settings
Baud rates – Support Baud rates from 9600 to 115200
Data Bits – 8 data bits (7 data bits is not valid setting for Modbus RTU)
Parity Bits – Even, Odd and None
Stop Bits – 1 or 2
Default settings will be 9600,8,N,1.
4.2.5 Modbus Registers
The below list of parameters will all be located in the holding registers.
Sensor Common Registers: Registers Numbered 0001 to nnnn have Data Addresses 0000 to nnnn-1
Register Size
Mode/Access
(Reg)
XXXX
0001 1 Read only
0002 1 Read only
0003 1 Read only
0004 1 Read only
0005 1 Read only
0006 1 Read only
0007 1 Read only
0008 1 Read only
0009 1 Read only
0010 1 Read only
0011 1 Read only
0012 1 Read only
0013 1 Read only
0014 1 Read only
0015 1 Read only
0101 1 Read/Write
0102 1 Read/Write
0103 1 Read/Write
0104 1 Read/Write
0105 1 Read/Write
0106 1 Read/Write
0107 1 Read/Write
0108 1 Read/Write
0109 1 Read/Write
0110 1 Read/Write
0201 1 Read only
0202 1 Read only
0203 1 Read only
0204 1 Read only
0205 1 Read/Write
Unidata Manual - 6527B and 6537A Starflow QSD User Manual 17 01 2020.docx
Manual – Starflow QSD Model 6527B and 6537A
Data
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Description
Water Temperature * 0.1 DegC
Battery Voltage * 0.01 Volts
Water Depth (Ultrasonic) mm
CW Water Velocity mm/s
RSSI
Signal Spread
EC Conductivity Un-Corrected
EC Hi-Resolution Un-Corrected
EC Conductivity Temperature Corrected
EC Hi-Resolution Temperature Corrected
Accelerometer X +/- 90 deg
Accelerometer Y +/- 90 deg
Water Depth (Pressure) mm
OWB Barometric Reference mm
PW Velocity in +/- mm/s
Auto Refresh rate in seconds
Low Level Battery threshold *.001 Volts
Minimum Operating Depth (MoD) mm
Minimum RSSI
Maximum Signal Spread
Analogue Gain
Depth Median Outlier Filter
Depth Moving Average
Velocity range (OSR)
Pressure depth offset (mm)
Unused LOGGER Start on Power-up (if Scheme loaded)
Unused LOGGER ON/OFF
Unused
Unused
P.Depth ON/OFF
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