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

Commissioning

6.1 Operating via the handheld programmer

SITRANS LR250 (PROFIBUS PA)

Operating Instructions, 01/2014, A5E32221386-AB

Changing a numeric value

1. Navigate to the desired parameter.

2. Press

RIGHT arrow

to open parameter view. The current value is displayed.

3. Press

RIGHT arrow

again to open

Edit

mode. The current value is highlighted.

4. Key in a new value.

5. Press

RIGHT arrow

to accept it.

The LCD returns to parameter view and displays the new selection.

①

Parameter name

②

Parameter number

③

Current value