Tvt Shaper (2.9.) - Siemens SITRANS LR560 Operating Instructions Manual

Parameter Reference
8.2 SETUP (2.)
8.2.9

TVT SHAPER (2.9.)

Note
• SHAPER MODE (2.8.4) (Page 127) must be turned ON in order for TVT shaper points to
be transferred
• We recommend using SIMATIC PDM to access this feature
Factory setting:
Setting range:
Purpose:
Description:
Breakpoint parameter
references:
128
0 dB
–50 to 50 dB
Adjusts the TVT (Time Varying Threshold) at a specified range (breakpoint
on the TVT). This allows you to reshape the TVT to avoid unwanted ech-
oes. There are 120 breakpoints.
To use TVT shaper via SIMATIC PDM:
1. Go to Level Meter > Setup > Signal Processing > TVT setup > Shaper
Mode and select On.
2. Open the menu Device – Echo Profile Utilities and click on TVT Shaper.
To use TVT shaper via LDI (local display interface):
1. Go to SHAPER MODE (2.8.4) (Page 127) and select On.
2. Go to Breakpoint 1-9.
3. Open Shaper 1 and enter the TVT Offset value (between –50 and 50).
4. Go to the next Shaper point and repeat steps c) and d) until all desired
breakpoint values have been entered.
Parameter 2.9.1.
Parameter 2.9.2.
Parameter 2.9.3.
Parameter 2.9.4.
Parameter 2.9.5.
Parameter 2.9.6.
Parameter 2.9.7.
Parameter 2.9.8.
Parameter 2.9.9.
Parameter 2.9.10.
Parameter 2.9.11.
Parameter 2.9.12.
Parameter 2.9.13.
Parameter 2.9.14.
Breakpoint 1-9
Breakpoint 10-18
Breakpoint 19-27
Breakpoint 28-36
Breakpoint 37-45
Breakpoint 46-54
Breakpoint 55-63
Breakpoint 64-72
Breakpoint 73-81
Breakpoint 82-90
Breakpoint 91-99
Breakpoint 100-108
Breakpoint 109-117
Breakpoint 118-120
SITRANS LR560 (mA/HART)
Operating Instructions, 06/2017, A5E34647946-AD