Siemens Sitrans LR400 Instruction Manual page 4

Symptoms, Causes and Their Remedy ............................................................................................81
Fault Messages .....................................................................................................................................82
Unit Repair and Excluded Liability ..........................................................................................84
Antenna Maintenance .....................................................................................................86
Cleaning the Antenna ..........................................................................................................................86
Hazardous Installation .....................................................................................................87
Appendix I ..........................................................................................................................88
Ambient/Operating Temperature Specification .............................................................................88
Appendix II .........................................................................................................................89
Process Pressure/Temperature De-rating ......................................................................................89
Appendix III ........................................................................................................................91
Measuring Principle .............................................................................................................................91
Appendix IV ........................................................................................................................93
HART Communications for SITRANS LR400 ..................................................................................93
HART Device Description (DD) .................................................................................................93
SIMATIC Process Device Manager (PDM) ...........................................................................93
HART Communicator 275/375: ..................................................................................................94
Appendix V .........................................................................................................................97
PROFIBUS PA Communications for SITRANS LR400 ...................................................................97
Device Description ......................................................................................................................97
The GSD file ..................................................................................................................................97
Bus address (Device Address) .................................................................................................97
Bus Termination ...........................................................................................................................98
Power Demands ..........................................................................................................................98
Cyclic versus Acyclic Data ........................................................................................................98
Cyclic Data ....................................................................................................................................98
Status Word ............................................................................................................................... 100
Extended Diagnostics ..............................................................................................................101
Acyclic Data ................................................................................................................................101
Configuration Example: ............................................................................................................101
Appendix VI: Firmware Revision History ................................................................... 102
Glossary ............................................................................................................................ 104
Index .................................................................................................................................. 107
ii SITRANS LR400 (7ML5421) - INSTRUCTION MANUAL 7ML19985FH06