Table Of Contents - Siemens Sitrans LR250 Instruction Manual

Table of Contents

Table of Contents ...............................................................................................................i
Safety Notes ...........................................................................................................................................1
Safety marking symbols ............................................................................................................1
FCC Conformity ......................................................................................................................................1
The Manual ............................................................................................................................................2
Technical Support .................................................................................................................................2
SITRANS LR250 Overview ................................................................................................4
Specifications ....................................................................................................................5
Power............................................................................................................................................. 5
Performance................................................................................................................................. 5
Interface ........................................................................................................................................ 6
Mechanical................................................................................................................................... 6
Environmental .............................................................................................................................. 7
Process.......................................................................................................................................... 8
Approvals ...................................................................................................................................... 8
Programmer (infrared keypad) ................................................................................................ 9
Dimensions ...........................................................................................................................................10
Threaded Horn Antenna with extension .............................................................................10
Flanged Horn ..............................................................................................................................11
Flat Face Flange ........................................................................................................................12
Installation ........................................................................................................................15
Mounting location ...............................................................................................................................16
Nozzle design .............................................................................................................................16
Nozzle location ..........................................................................................................................16
Orientation in a vessel with obstructions ............................................................................17
Mounting on a Stillpipe or Bypass Pipe ..............................................................................18
Installation Instructions .....................................................................................................................19
Wiring ................................................................................................................................20
Power .....................................................................................................................................................20
Connecting SITRANS LR250 .............................................................................................................20
Wiring setups for hazardous area installations ..........................................................................22
Intrinsically Safe wiring ........................................................................................................... 22
Non-incendive wiring (only for USA/Canada) ....................................................................24
FM/CSA Intrinsically Safe connection drawing (North America only) ..................................25
FM/CSA Non-incendive connection drawing (North America only) ......................................26
Instructions specific to hazardous area installations ................................................................27
Quick Start via local operation .....................................................................................28
Activating SITRANS LR250 ...............................................................................................................28
The LCD Display ........................................................................................................................28
Handheld Programmer (Part No. 7ML1930-1BK) ..............................................................30
Programming SITRANS LR250 ...............................................................................................31
Quick Start Wizard via the handheld programmer .....................................................................34
Level application example ................................................................................................................36
Auto False Echo Suppression ..........................................................................................................36
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