Siemens Sitrans LR250 - Default Chapter; Table of Contents

SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
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Table of contents
1 Introduction ............................................................................................................................................. 9
1.1 LR250 PA manual usage ............................................................................................................... 9
1.2 Purpose of this documentation ...................................................................................................... 9
1.3 Document history ........................................................................................................................... 9
1.4 Firmware revision history ............................................................................................................. 10
1.5 Designated use ............................................................................................................................ 11
1.6 Checking the consignment ........................................................................................................... 11
1.7 Transportation and storage .......................................................................................................... 12
1.8 Notes on warranty ........................................................................................................................ 12
2 Safety information ................................................................................................................................. 13
2.1 Preconditions for safe use ........................................................................................................... 13
2.1.1 Safety marking symbols ............................................................................................................... 13
2.1.2 Laws and directives ..................................................................................................................... 13
2.1.3 FCC Conformity ........................................................................................................................... 14
2.1.4 Conformity with European directives ........................................................................................... 15
2.1.5 CE Electromagnetic Compatibility (EMC) Conformity.................................................................. 16
2.2 Improper device modifications ..................................................................................................... 16
2.3 Requirements for special applications ......................................................................................... 17
2.4 Use in hazardous areas ............................................................................................................... 17
3 Description ............................................................................................................................................ 19
3.1 SITRANS LR250 overview ........................................................................................................... 19
3.2 Programming ................................................................................................................................ 20
3.3 Applications .................................................................................................................................. 20
3.4 Approvals and certificates ............................................................................................................ 20
4 Installing/mounting ................................................................................................................................ 21
4.1 Basic safety information ............................................................................................................... 21
4.1.1 Pressure applications ................................................................................................................... 22
4.1.1.1 Pressure Equipment Directive, PED, 97/23/EC ........................................................................... 23
4.2 Installation location requirements ................................................................................................ 24
4.3 Proper mounting........................................................................................................................... 26
4.3.1 Nozzle design ............................................................................................................................... 27