User's Manual
Table Of Contents
- Table of Contents
- SITRANS LR250 Overview
- Specifications
- Installation
- Wiring
- Operating via the handheld programmer
- Operating via SIMATIC PDM
- Functions in SIMATIC PDM
- Quick Start Wizard via SIMATIC PDM
- Changing parameter settings using SIMATIC PDM
- Parameters accessed via pull-down menus
- Operating via AMS Device Manager
- Functions in AMS Device Manager
- Features of AMS Device Manager
- Device Description (DD)
- Configuring a new device
- Startup
- Pull-down menu access
- Device configuration
- Quick Start Wizard via AMS Device Manager
- Maintenance and Diagnostics
- Remaining Device Lifetime [see Remaining Device Lifetime (4.2.) on page 99]
- Remaining Sensor Lifetime [see Remaining Sensor Lifetime (4.3.) on page 102]
- Service Schedule [see Service Schedule (4.4.) on page 105]
- Calibration Schedule [see Calibration Schedule (4.5.) on page 108]
- Electronic Temperature
- Wear (see Wear on page 56)
- Communication
- Security
- Device Diagnostics
- AMS Menu Structure
- Functions in AMS Device Manager
- Parameter Reference
- 1. Quick Start
- 2. Setup
- 3. Diagnostics
- 4. Service
- 5. Communication
- 6. Security
- 7. Language
- Appendix A: Alphabetical Parameter List
- Appendix B: Troubleshooting
- Appendix C: Maintenance
- Appendix D: Technical Reference
- Principles of Operation
- Echo Processing
- Analog Output
- Maximum Process Temperature Chart
- Process Pressure/Temperature derating curves
- Loop power
- Appendix E: Application Examples
- Appendix F: HART Communications
- Appendix G: ATEX Certificates
- Appendix H: Firmware Revision History
- Glossary
- Index
- LCD menu structure
7ML19985JE03 SITRANS LR250 (HART) – INSTRUCTION MANUAL Page 95
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Parameters
To set Auto False Echo Suppression via SIMATIC PDM:
Open the menu Device – Echo Profile Utilities and click on the tab Auto
False Echo Suppression.
(For more detailed instructions see
Auto False Echo Suppression
on page
52.)
To set Auto False Echo Suppression via the handheld programmer:
c) Go to Auto False Echo Suppression Range (2.8.7.2.) and enter the
value calculated in step b).
d) Go to Auto False Echo Suppression (2.8.7.1.) and press RIGHT arrow
to open Edit Mode
e) Select Learn. The device will automatically revert to On (Use
Learned TVT) after a few seconds.
Options
OFF Default TVT will be used.
* ON ’Learned’ TVT will be used.
LEARN ’Learn’ the TVT.
After Auto False Echo Suppression
learned TVT
material level
false echo
Auto False Echo Suppression
Range
echo
marker
Level (db)
default
TVT