PCE Health and Fitness TDS 75 User Manual page 46

5. MODBUS register address list
The MODBUS register of the flow meter has a read register and a write register.
a) Read register address list (function code 0x03 is used for reading)
PDU
Register
Address
$0000 40001
$0001 40002
$0002 40003
$0003 40004
$0004 40005
$0005 40006
$0006 40007
$0007 40008
$0008 40009
$0009 40010
$000A 40011
$000B 40012
$000C 40013
$000D 40014
$000E 40015
$000F 40016
$0010 40017
$0019 40026
$001A 40027
$001B 40028
$001C 40029
$001D 40030
$001E 40031
$003B 40060
$003C 40061
$003D 40062
$003E 40063
$003F 40064
$0040 40065
$0041 40066
$0042 40067
$0043 40068
$0044 40069
$0045 40070
$0046 40071
$0047 40072
$0048 40073
Read
Flow/s - low word
Flow/s - high word
Flow/m - low word
Flow/m - high word
Flow/h - low word
Flow/h - high word
Velocity - low word
Velocity - high word
Positive total - low word
Positive total - high word
Positive total - exponent
Negative total - low word
Negative total - high word
Negative total - exponent
Net total - low word
Net total - high word
Net total - exponent
Up signal - low word
Up signal - high word
Down signal -low word
Down signal -high word
Quality
Error code -char 1
Flow velocity unit -char 1,2
Flow velocity unit -char 3,4
Flow rate unit -char 1,2
Flow rate unit -char 3,4
Flow totalunit -char 1,2
Energy rateunit -char1,2
Energy rateunit -char 3,4
Energy totalunit -char 1,2
Instrument address-low
word
Instrument address-high
word
Serial number -char 1,2
Serial number -char 3,4
Serial number -char 5,6
Serial number -char 7,8
© PCE Instruments
42
Write Type
32 bits real 2
32 bits real 2
32 bits real 2
32 bits real 2
32 bits real 2
16 bits int 1
32 bits real 2
16 bits int 1
32 bits real 2
16 bits int 1
32 bits real 2
32 bits real 2
16 bits int 1
String 1
String 2
String 2
String 1
String 2
String 1
32 bits real 2
String 4
String 4
No.
Registers*
0 - 99.9
0 - 99.9
0 - 99.9
Refer to
"Error
Analysis"
for detailed
codes
meanings.
Only m/s
right now
Note 1
Note 2