Emerson Rosemount 3100 Series Reference Manual

204
Reference Manual
00809-0100-4840, Rev CB
Appendix F: Programming the 3102 and 3105 using HART
February 2015
Programming the 3102 and 3105 using HART
F.4.11 Speed of sound (D914)
This indicates the temperature-corrected speed of sound calculated by the transmitter. It relates
the returned echo time delay to a distance. The value is calculated using the Temperature SoS
Calc value (page 204) and the base value entered into configuration parameter Speed of Sound
(page 174).
Field Communicator or AMS Device Manager
To view the calculated speed of sound
1. From the Home screen, select 3: Service Tools.
2. Select 1: Alerts.
3. Select 2: Diagnostic Data.
4. Select 2: Speed of Sound Data.
5. Select 1: Speed of Sound D914.
6. When finished, select “EXIT” to return to the previous menu.
Rosemount 3490 Series Control Unit
To view the calculated speed of sound
1. From the Main Menu screen, select MONITOR.
2. Select the transmitter (e.g. “Tx1: 3102”).
3. Select DIAGNOSTICS.
4. Select Speed of Sound.
5. When finished, use the ESC key to exit to the previous menu.
Fast Keys
3, 1, 2, 2, 1
Speed of Sound D914
1133.040 ft/s
EXIT
HELP
(Field Communicator Screen Shown)
Speed of Sound D914
1133.0ft/s
(Rosemount 3491 Screen Shown)

Emerson Rosemount 3100 Series Specifications

General

Brand	Emerson
Model	Rosemount 3100 Series
Category	Transmitter
Language	English