Manual – Starflow QSD Model 6527B and 6537A
Unidata Manual - 6527B and 6537A Starflow QSD User Manual 08 05 2023.docx
Page 29
5.2.5. 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
XXXX
Size
(Reg)
Mode/Access
Data
Type
Description
0001
1
Read only
ushort
Water Temperature * 0.1 DegC
0002
1
Read only
ushort
Battery Voltage * 0.01 Volts
0003
1
Read only
ushort
Water Depth (Ultrasonic) mm
0004
1
Read only
sshort
CW Water Velocity mm/s
0005 1 Read
only ushort
RSSI
0006
1
Read only
ushort
Signal Spread
0007
1
Read only
ushort
EC Conductivity Un-Corrected
0008
1
Read only
ushort
EC Hi-Resolution Un-Corrected
0009
1
Read only
ushort
EC Conductivity Temperature Corrected
0010
1
Read only
ushort
EC Hi-Resolution Temperature Corrected
0011
1
Read only
sshort
Accelerometer X +/- 90 deg
0012
1
Read only
sshort
Accelerometer Y +/- 90 deg
0013
1
Read only
sshort
Water Depth (Pressure) mm
0014
1
Read only
ushort
OWB Barometric Reference mm
0015
1
Read only
sshort
PW Velocity in +/- mm/s
Example 1: Water Temperature
Send - 01 03 00 00 00 01 84 0A
Receive - 01 03 02 00 DC B9 DD
00 DC = 220
Temperature = 220 x 0.1 = 22.0
˚
C