User's Manual
Table Of Contents
- SITRANS LR250 (PROFIBUS PA)
- Legal information
- Table of contents
- 1 Introduction
- 2 Safety notes
- 3 Description
- 4 Installing/mounting
- 5 Connecting
- 6 Commissioning
- 7 Remote operation
- 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: PROFIBUS PA profile structure
- C Appendix C: Communications via PROFIBUS
- D Appendix D: Certificates and Support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index

Table of contents
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 01/2014, A5E32221386-AB
7
C.6 Operating as a profile device ..................................................................................................... 232
C.6.1 Configuring a new device ........................................................................................................... 232
C.6.2 Configuring PROFIBUS PA with an S7-300/ 400 PLC .............................................................. 232
C.7 Cyclic versus acyclic data .......................................................................................................... 233
C.7.1 Cyclic data .................................................................................................................................. 233
C.8 Status byte ................................................................................................................................. 234
C.9 Condensed status ...................................................................................................................... 235
C.10 Diagnostics ................................................................................................................................. 237
C.10.1 Diagnosis reply (available cyclically).......................................................................................... 237
C.10.2 Diagnosis object (available cyclically or acyclically) .................................................................. 237
C.10.3 Extended mode diagnosis .......................................................................................................... 238
C.10.4 Condensed mode diagnosis ...................................................................................................... 239
C.10.5 Acyclic extended diagnostics (general fault codes) ................................................................... 240
C.10.6 Acyclic data ................................................................................................................................ 244
D Appendix D: Certificates and Support .................................................................................................. 245
D.1 Certificates ................................................................................................................................. 245
D.2 Technical support ....................................................................................................................... 245
13 List of abbreviations ............................................................................................................................ 247
14 LCD menu structure ............................................................................................................................ 249
Glossary ............................................................................................................................................. 255
Index................................................................................................................................................... 261