Configuring Serial Communications; Unit Id; Modbus Rtu Address; Baud Rate - Omega FMA-1600A Series User Manual

Configuring Serial Communications

MENU → SETUP → RS-232 Serial or RS-485 Serial or Serial Comm
You can operate the flow meter remotely via its data connection for easy streaming and
logging of all data. Before connecting the flow meter to a computer, ensure that it is ready
to communicate with your PC by checking the options in this menu.
For more on how to issue commands from a computer, see

Unit ID

SETUP → RS-232 Serial or RS-485 Serial
The unit ID is the identifier that a computer uses to distinguish your device from other, similar
devices when connected to a network. Using the unit ID letters
to 26 devices to a computer at the same time via a single COM port. This is called polling
mode (page 19). Unit ID changes take effect when you select
If you select " @ " as the Unit ID, the flow meter will enter streaming mode when you exit
the menu (page 19).

Modbus RTU Address

SETUP → RS-232 Serial or RS-485 Serial
The Modbus address is the identifier that a computer or programmable logic computer (PLC)
uses to distinguish your device from other devices when connected to a Modbus network.
Values of 1–247 are available for use.

Baud Rate

SETUP → RS-232 Serial or RS-485 Serial
Baud rate is the speed at which digital devices transfer information. The flow meter has
a default baud rate of 19200 baud (bits per second). If your computer or software uses a
different baud rate, you must change the flow meter's baud rate in the
they match. Alternatively, you can change your computer's baud rate in Windows® Device
Manager. Baud rate changes take effect once you press
the software for it to recognize the change.
16
page 18.
→ Unit ID
A – Z
SET
.
→ Modbus Address
→ Baud Rate
SET , but you may need to restart
The serial communication menu.
, you can connect up
Choosing a unit ID, or streaming.
BAUD menu to ensure
Device Information and Setup