Omega FPD-4000 Series User Manual page 24

Sensor Modbus Registers
RS485 Settings
• 1 Start Bit
• 8 data Bit
• No Parity Bit
• 1 Stop Bit
• 9600 Baud Rate
Example of Use
Below is a screenshot of the Modbus registers in Modbus Poll. 32-bit float
registers are being read in Big-Endian. Integers (Int) are set up as Signed
values. And the total resets are set up as single write coils.
Name
Input Registers (read-only register addresses, read function byte 0x04)
Raw
Frequency
Input
Flow Rate
(Users units)
Total (Users
Units)
Grand Total
(Users units)
Write Coils (Write coil addresses, read function byte 0x05 or 0x0ff00) Single
Coil functions only
Reset Total
Reset Grand
Total and
Total
24
Register Start Register
Address Count
5000 2
5002 2
5004 2
5006 2
1000 1
1001 1
Value type Value Units/
Description
32 Bit Float (Hz)
32 Bit Float User Selected
32 Bit Float User Selected
32 Bit Float User Selected
Bool 0 - False - Normal
Mode
1- True - Reset
(0x0ff00)
Bool 0 - False - Normal
Mode
1- True - Reset
(0x0ff00)