Siemens SITRANS LR560 Operating Instructions Manual page 108
Foundation fieldbus radar level transmitter
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Also See for SITRANS LR560:
- Quick start manual (270 pages) ,
- Operating instructions manual (222 pages) ,
- Compact operating instructions (66 pages)
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2.4.8.4.
Enables/disables TVT Shaper (2.4.9.).
Options
2.4.9. TVT Shaper
Notes:
• Shaper Mode (2.4.8.4.) must be turned ON in order for TVT shaper
• We recommend using AMS Device Manager to access this feature.
• Put LTB Block into OOS Mode before changing settings, then back
Adjusts the TVT (Time Varying Threshold) at a specified range (breakpoint
on the TVT). This allows you to reshape the TVT to avoid unwanted echoes.
There are 120 breakpoints arranged in 14 groups.
Values
To access TVT shaper via AMS Device Manager see
page 55.
To use TVT shaper via local operation:
a)
b)
c)
d)
2.4.9.1. Shaper 1-9
2.4.9.2. Shaper 10-18
2.4.9.3. Shaper 19-27
2.4.9.4. Shaper 28-36
2.4.9.5. Shaper 37-45
2.4.9.6. Shaper 46-54
2.4.9.7. Shaper 55-63
2.4.9.8. Shaper 64-72
2.4.9.9. Shaper 73-81
2.4.9.10. Shaper 82-90
2.4.9.11. Shaper 91-99
2.4.9.12. Shaper 100-108
2.4.9.13. Shaper 109-117
2.4.9.14. Shaper 118-120
Page 102
SITRANS LR560 (FF) – INSTRUCTION MANUAL
Shaper Mode
*
breakpoints to be transferred
into AUTO mode to display TVT.
Range: –50 to +50 dB
Default: 0
Go to Shaper Mode (2.4.8.4.) and select option ON.
In TVT shaper, go to Shaper 1-9 (2.4.9.1.).
Open Shaper 1 and enter the TVT Offset value (between –50 and
+50 dB).
Go to the next Shaper point and repeat step (c) till all desired
breakpoint values have been entered.
ON
OFF
TVT Shaper 1
on
7ML19985LY01
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