Siemens SITRANS LR250 Operating Instructions Manual page 6

Table of contents
4.3.2 Nozzle location ............................................................................................................................ 28
4.3.3 Orientation in a vessel with obstructions ..................................................................................... 31
4.3.4 Mounting on a Stillpipe or Bypass Pipe ...................................................................................... 32
4.3.5 Device orientation ....................................................................................................................... 33
4.4 Installation instructions ................................................................................................................ 34
4.4.1 Threaded versions ...................................................................................................................... 35
4.4.2 Flanged versions ......................................................................................................................... 36
4.4.3 Hygienic versions ........................................................................................................................ 38
4.5 Disassembly ................................................................................................................................ 39
5 Connecting ............................................................................................................................................41
5.1 Basic safety information .............................................................................................................. 41
5.2 Connecting SITRANS LR250 ...................................................................................................... 42
5.3 Wiring setups for hazardous area installations ........................................................................... 45
5.3.1 Intrinsically safe wiring ................................................................................................................ 46
5.3.1.1 Intrinsically safe wiring (FM/CSA) ............................................................................................... 47
5.3.1.2 Intrinsically safe wiring (notes) .................................................................................................... 47
5.3.2 Non-sparking wiring .................................................................................................................... 49
5.3.3 Non-incendive wiring (US/Canada only) ..................................................................................... 49
5.4 Instructions specific to hazardous area installations ................................................................... 50
5.4.1 (Reference European ATEX Directive 94/9/EC, Annex II, 1/0/6) ............................................... 50
6 Commissioning ......................................................................................................................................53
6.1 Basic safety information .............................................................................................................. 53
6.2 Operating via the handheld programmer .................................................................................... 53
6.2.1 Power up ..................................................................................................................................... 54
6.2.2 Handheld programmer functions ................................................................................................. 54
6.2.2.1 The LCD display .......................................................................................................................... 55
6.2.2.2 Handheld programmer (Part No. 7ML1930-1BK) ....................................................................... 57
6.2.3 Programming ............................................................................................................................... 58
6.2.3.1 Quick Start Wizard via the handheld programmer ...................................................................... 63
6.2.3.2 Auto False Echo Suppression ..................................................................................................... 65
6.2.3.3 Requesting an Echo Profile ........................................................................................................ 66
6.2.3.4 Device address ........................................................................................................................... 67
6.3 Application examples .................................................................................................................. 67
6.3.1 Liquid resin in storage vessel, level measurement ..................................................................... 68
6.3.2 Horizontal vessel with volume measurement.............................................................................. 69
6.3.3 Application with stillpipe .............................................................................................................. 71
7 Remote operation ..................................................................................................................................75
7.1 Operating via SIMATIC PDM ...................................................................................................... 75
7.1.1 Functions in SIMATIC PDM ........................................................................................................ 75
7.1.1.1 Features of SIMATIC PDM Rev. 6.0, SP4 or higher ................................................................... 76
7.1.1.2 Features of SIMATIC PDM Rev. 5.2, SP1 .................................................................................. 76
4
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC