User's Manual

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Table Of Contents

SITRANS LR250 (PROFIBUS PA)
Legal information
Table of contents
1 Introduction
- 1.1 The manual
- 1.2 Firmware revision history
2 Safety notes
- 2.1 Safety marking symbols
- 2.2 FCC Conformity
- 2.3 CE Electromagnetic Compatibility (EMC) Conformity
3 Description
- 3.1 SITRANS LR250 overview
- 3.2 Programming
- 3.3 Applications
- 3.4 Approvals and certificates
4 Installing/mounting
- 4.1 Pressure applications
  - 4.1.1 Pressure Equipment Directive, PED, 97/23/EC
- 4.2 Mounting location
- 4.3 Installation instructions
- 4.4 Flange bolting, Flanged encapsulated antenna only
5 Connecting
- 5.1 Power
- 5.2 Connecting SITRANS LR250
  - 5.2.1 Basic PLC configuration with PROFIBUS PA
- 5.3 Wiring setups for hazardous area installations
- 5.4 Instructions specific to hazardous area installations
6 Commissioning
- 6.1 Operating via the handheld programmer
- 6.2 Application examples
7 Remote operation
- 7.1 Operating via SIMATIC PDM
- 7.2 Operating via FDT
8 Parameter reference
- 8.1 Alphabetical parameter list
9 Service and maintenance
- 9.1 Maintenance
- 9.2 Unit repair and excluded liability
- 9.3 Part replacement
10 Diagnosing and troubleshooting
- 10.1 Device status icons
- 10.2 General fault codes
- 10.3 Operation troubleshooting
11 Technical data
- 11.1 Power
- 11.2 Performance
- 11.3 Interface
- 11.4 Mechanical
- 11.5 Environmental
- 11.6 Process
- 11.7 Approvals
- 11.8 Programmer (infrared keypad)
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
- A.1 Principles of operation
- A.2 Echo processing
- A.3 Maximum Process Temperature Chart
- A.4 Process Pressure/Temperature Derating Curves
B Appendix B: PROFIBUS PA profile structure
- B.1 PROFIBUS Level Device Design
- B.2 Block Model
C Appendix C: Communications via PROFIBUS
- C.1 Device configuration
  - C.1.1 SIMATIC PDM
  - C.1.1.1 Electronic Device Description
- C.2 Network configuration
  - C.2.1 The GSD file
- C.3 Bus termination
- C.4 Power demands
- C.5 PROFIBUS address
- C.6 Operating as a profile device
  - C.6.1 Configuring a new device
  - C.6.2 Configuring PROFIBUS PA with an S7-300/ 400 PLC
- C.7 Cyclic versus acyclic data
  - C.7.1 Cyclic data
- C.8 Status byte
- C.9 Condensed status
- C.10 Diagnostics
D Appendix D: Certificates and Support
- D.1 Certificates
- D.2 Technical support
13 List of abbreviations
14 LCD menu structure
Glossary
Index

SITRANS LR250 (PROFIBUS PA)

Operating Instructions, 01/2014, A5E32221386-AB

Table of contents

1 Introduction ............................................................................................................................................. 9

1.1 The manual .................................................................................................................................... 9

1.2 Firmware revision history ............................................................................................................. 10

2 Safety notes .......................................................................................................................................... 11

2.1 Safety marking symbols ............................................................................................................... 11

2.2 FCC Conformity ........................................................................................................................... 11

2.3 CE Electromagnetic Compatibility (EMC) Conformity.................................................................. 12

3 Description ............................................................................................................................................ 13

3.1 SITRANS LR250 overview ........................................................................................................... 13

3.2 Programming ................................................................................................................................ 14

3.3 Applications .................................................................................................................................. 14

3.4 Approvals and certificates ............................................................................................................ 14

4 Installing/mounting ................................................................................................................................ 15

4.1 Pressure applications ................................................................................................................... 16

4.1.1 Pressure Equipment Directive, PED, 97/23/EC ........................................................................... 16

4.2 Mounting location ......................................................................................................................... 16

4.2.1 Nozzle design ............................................................................................................................... 17

4.2.2 Nozzle location ............................................................................................................................. 17

4.2.3 Orientation in a vessel with obstructions ..................................................................................... 20

4.2.4 Mounting on a Stillpipe or Bypass Pipe ....................................................................................... 20

4.2.5 Stillpipe or Bypass Pipe requirements ......................................................................................... 21

4.2.6 Device orientation ........................................................................................................................ 21

4.3 Installation instructions ................................................................................................................. 22

4.4 Flange bolting, Flanged encapsulated antenna only ................................................................... 22

5 Connecting ........................................................................................................................................... 25

5.1 Power ........................................................................................................................................... 25

5.2 Connecting SITRANS LR250 ....................................................................................................... 26

5.2.1 Basic PLC configuration with PROFIBUS PA .............................................................................. 28

5.3 Wiring setups for hazardous area installations ............................................................................ 28

5.3.1 PLC configuration with PROFIBUS PA for hazardous areas ...................................................... 29

5.3.2 Intrinsically safe wiring ................................................................................................................. 30

5.3.3 Non-sparking wiring ..................................................................................................................... 33