Emerson Rosemount 5900S Series Reference Manual page 247

Reference Manual
00809-0100-5900, Rev CA
June 2014
Table C-18. Echo classification
Table C-19. Echo update
Table C-20. Echo command
Table C-21. Use level
monitoring
Appendix C. F
OUNDATION
47 ECHO_UPDATE
48 ECHO_COMMAND
49 ECHO_DISTANCE
50 ECHO_AMPLITUDE
51 ECHO_CLASS
52 ECHO_FALSE
53 ATP_DISTANCE
54 ATP_THRESHOLD
VALUE
0
1
2
3
4
5
6
7
8
9
VALUE
0
1
2
VALUE
0
1
2
VALUE
0
1
2
Fieldbus Block Information
Refresh echo information in parameters 49 to 51.
See Table C-19.
Save found echo as a registered false echo.
Remove echo from registered false echo list.
See Table C-20.
Distance to found echo.
Signal Amplitude of found echo.
Classification of found echo, see Table C-18.
Distance to registered false echo
You can filter out weak disturbing echoes by
creating a noise threshold table defined by ATP
Distance and ATP Threshold points.
Amplitude threshold. See ATP_DISTANCE.
Description
Unknown
Irrelevant
Surface
False echo
Double Bounce
Secondary Surface
Tank Bottom Echo
Beam below surface
Beam above surface
LPG pin
Description
Uninitialized
Normal operation
Read a snapshot of found echoes
Description
Uninitialized
Add false echo
Remove false echo
Description
Uninitialized
No
Yes
Rosemount 5900S Series
C-23