User's Manual
Table Of Contents
- SITRANS LR250 (FOUNDATION FIELDBUS)
- Legal information
- Table of contents
- 1 Introduction
- 2 Safety notes
- 3 Description
- 4 Installing/mounting
- 5 Connecting
- 6 Commissioning
- 7 Remote operation
- 7.1 Operating via AMS Device Manager
- 7.1.1 Functions in AMS Device Manager
- 7.1.2 Key features of AMS Device Manager Rev. 9.0
- 7.1.3 Adding a new device
- 7.1.4 Master Reset
- 7.1.5 Scan Device
- 7.1.6 Sensor calibration
- 7.1.7 Configuring a new device
- 7.1.8 Changing parameter settings using AMS Device Manager
- 7.1.9 Configure/Setup (Level Transducer Block-LTB)
- 7.1.10 Configure/Setup (Liquid Crystal Display Block-LCD)
- 7.1.11 Configure/Setup (Diagnostic Transducer Block-DIAG)
- 7.1.12 Configure/Setup (Resource Block - RESOURCE)
- 7.1.13 Device Diagnostics (Level Transducer Block - LTB)
- 7.1.14 Device Diagnostics (Liquid Crystal Display Block - LCD)
- 7.1.15 Device Diagnostics (Diagnostic Transducer Block - DIAG)
- 7.1.16 Device Diagnostics (Resource Block - RESOURCE)
- 7.1.17 Process Variables (Level Transducer Block - LTB)
- 7.1.18 Password Protection
- 7.1.19 AMS menu structure
- 7.1 Operating via AMS Device Manager
- 8 Parameter reference
- 9 Service and maintenance
- 10 Diagnosing and troubleshooting
- 11 Technical data
- 12 Dimension drawings
- 12.1 Threaded horn antenna
- 12.2 Threaded horn antenna with extension
- 12.3 Flanged horn antenna
- 12.4 Flanged horn antenna with extension
- 12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
- 12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger)
- 12.7 Threaded PVDF antenna
- 12.8 Threaded connection markings
- 12.9 Raised-Face flange per EN 1092-1 for flanged horn antenna
- 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna
- 12.11 Flat-Face flange
- 12.12 Process connection tag (pressure rated versions)
- A Appendix A: Technical reference
- B Appendix B: Communications via Foundation Fieldbus
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index

© Siemens AG 2013
Safety Guidelines
Warning notices must be observed to ensure personal safety as well as that of others, and to protect the product and the connected equipment.
These warning notices are accompanied by a clarification of the level of caution to be observed.
Qualified Personnel
This device/system may only be set up and operated in conjunction with this manual. Qualified personnel are only authorized to install and
operate this equipment in accordance with established safety practices and standards.
Unit Repair and Excluded Liability:
The user is responsible for all changes and repairs made to the device by the user or the user’s agent.
All new components are to be provided by Siemens Milltronics Process Instruments.
Restrict repair to faulty components only.
Do not reuse faulty components.
Warning: Cardboard shipping package provides limited humidity and moisture protection. This product can only function properly and safely if
it is correctly transported, stored, installed, set up, operated, and maintained.
This product is intended for use in industrial areas. Operation of this equipment in a residential area may cause interference to several
frequency based communications.
Note: Always use product in accordance with specifications.
Copyright Siemens AG 2013. All Rights Reserved Disclaimer of Liability
This document is available in bound version and in
electronic version. We encourage users to purchase
authorized bound manuals, or to view electronic versions as
designed and authored by Siemens Milltronics Process
Instruments. Siemens Milltronics Process Instruments will
not be responsible for the contents of partial or whole
reproductions of either bound or electronic versions.
While we have verified the contents of this
manual for agreement with the instrumentation
described, variations remain possible. Thus we
cannot guarantee full agreement. The contents of
this manual are regularly reviewed and
corrections are included in subsequent editions.
We welcome all suggestions for improvement.
Technical data subject to change.
MILLTRONICS®is a registered trademark of Siemens Milltronics Process Instruments.
Contact SMPI Technical Publications European Authorized Representative
at the following address:
Technical Publications Siemens AG
Siemens AG Industry Sector
Siemens Milltronics Process Instruments 76181 Karlsruhe
1954 Technology Drive, P.O. Box 4225 Deutschland
Peterborough, Ontario, Canada, K9J 7B1
Email: techpubs.smpi@siemens.com
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www. siemens.com/processautomation. Under Process Instrumentation, select
Level Measurement
and then go to the manual archive
listed under the product family.
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www. siemens.com/processautomation. Under Weighing Technology, select
Continuous Weighing Systems
and then go to the manual
archive listed under the product family.