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
Page 114 SITRANS LR250 (HART) – INSTRUCTION MANUAL 7ML19985JE03
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Parameters
6.2. Local Access
6.2.1. Write Protect
Prevents any changes to parameters via the handheld programmer.
• To turn Lock On, key in any value other than the Unlock Value stored in PIN
to Unlock (6.2.2.).
• To turn Lock Off, key in the Unlock Value stored in PIN to Unlock (6.2.2.).
6.2.2. PIN to Unlock
Stores the value to be entered in Write Protect (6.2.1.) to unlock programming.
If Write Protect (6.2.1.) is set to a different value PIN to Unlock (6.2.2.) does not
display the Unlock value
7. Language
Selects the language to be used on the LCD.
Note: This lock affects only the handheld programmer. A remote master can
change configuration if Access Control (6.1.1.) is set to allow this.
Options
Range: 0 to 9999
*
Unlock value (
stored in PIN to Unlock
(6.2.2.)
Lock Off
Any other value Lock On
Notes:
• Do not lose your Unlock Value: it cannot be displayed once Write Protect
(6.2.1.) has been set to a different value.
• Valid only for operation via the handheld programmer.
• A reset to Factory Defaults will not restore the unlock value at time of
shipping.
Handheld
Programmer
Values
Range: 0 to 9999
Value when shipped: 1954. Not restored by a reset to Factory
Defaults.
– – – – Display when Lock is on
Options
*
English
Deutsch
Français
Español