User's Manual

Page 64 SITRANS LR260 (PROFIBUS PA) – OPERATING INSTRUCTIONS A5E32337685
mmmmm
Parameters
2.2.4.5. Shaper Mode
Enables/disables TVT Shaper(2.2.5.).
2.2.5. TVT Shaper
A breakpoint on the TVT curve. This allows you to reshape the TVT curve to
avoid unwanted echoes. There are 40 breakpoints arranged in 5 groups. (We
recommend using SIMATIC PDM to access this feature.)
To use TVT shaper via LUI (local user interface):
a) Go to Shaper Mode(2.2.4.5.) and select option ON.
b) In TVT Shaper, go to Shaper 1-9(2.2.5.1.).
c) Open Shaper 1 and enter the TVT Offset value (between -100 to 100 bits,
inclusive).
d) Go to the next Shaper point and repeat step (c) until all desired breakpoint
values have been entered.
2.2.5.1. Shaper 1-9
2.2.5.2. Shaper 10-18
2.2.5.3. Shaper 19-27
2.2.5.4. Shaper 28-36
2.2.5.5. Shaper 37 - 40
To access TVT shaper via SIMATIC PDM:
• Open the menu Device – TVT shaper.
• For more details and an illustration see
TVT Shaper on page 45.
Options
OFF*, ON
Note: The range is -100 to 100 bits. With 2 bits per dB, this gives a range of
-50 to 50 dB.
Values
Range: -100 to 100 bits
Default: 0 bits
Values
Range: -100 to 100 bits
Default: 0 bits
Values
Range: -100 to 100 bits
Default: 0 bits
Values
Range: -100 to 100 bits
Default: 0 bits
Values
Range: -100 to 100 bits
Default: 0 bits