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 111
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Parameters
4.5.6. Reminder 2 (Demanded)
If Time until Next Calibration (4.5.3.) is equal to or less than this value, the device
generates a Maintenance Demanded reminder.
a) Modify values as required.
b) Set Reminder Activation (4.5.4.) to the desired option.
4.5.7. Maintenance Status
Indicates which level of maintenance reminder is active.
In SIMATIC PDM, open the menu View – Device Status, click on the
Maintenance tab and check the Calibration Schedule Status window.
4.5.8. Acknowledge Status
Indicates which level of maintenance reminder has been acknowledged.
In SIMATIC PDM, open the menu View – Device Status, click on the
Maintenance tab and check the Calibration Schedule Status window.
4.5.9. Acknowledge
Acknowledges the current maintenance reminder.
To acknowledge a reminder via SIMATIC PDM:
a) Open the menu View – Device Status and click on the Maintenance tab.
b) In the Calibration Schedule Status section click on Acknowledge
Warnings.
To acknowledge a reminder via the handheld programmer:
a) Press RIGHT arrow twice to open parameter view and activate Edit
Mode.
b) Press RIGHT arrow to acknowledge the reminder.
4.6. Manufacture Date
The date of manufacture of the SITRANS LR250 (yy mm dd).
4.7. Powered Hours
Displays the number of hours the unit has been powered up since manufacture.
In SIMATIC PDM, open the menu Device – Wear.
4.8. Power-on Resets
The number of power cycles that have occurred since manufacture.
In SIMATIC PDM, open the menu Device – Wear.
Values
Range: 0 to 20 years
Default: 0.019 years