Table of contents
4.3.1
Nozzle design .................................................................................................................... 26
4.3.2
Nozzle location .................................................................................................................. 27
4.3.3
4.3.4
4.3.5
Device orientation ............................................................................................................. 30
4.4
Installation instructions ...................................................................................................... 30
4.4.1
Threaded versions ............................................................................................................. 32
4.4.2
Flanged versions ................................................................................................................ 32
4.4.3
Hygienic versions ............................................................................................................... 34
4.5
Disassembly ....................................................................................................................... 35
5
Connecting .......................................................................................................................................... 36
5.1
Basic safety information ..................................................................................................... 36
5.2
Connecting SITRANS LR250 ................................................................................................ 36
5.3
5.3.1
5.3.2
Intrinsically safe wiring ...................................................................................................... 41
5.3.2.1
5.3.2.2
FISCO concept ................................................................................................................... 42
5.3.3
Non-sparking wiring .......................................................................................................... 43
5.3.4
5.4
5.4.1
2016/1107) ....................................................................................................................... 44
6
Commissioning .................................................................................................................................... 46
6.1
Basic safety information ..................................................................................................... 46
6.2
6.2.1
Power up ........................................................................................................................... 47
6.2.2
6.2.2.1
The LCD display ................................................................................................................. 48
6.2.2.2
6.2.3
Programming .................................................................................................................... 50
6.2.3.1
6.2.3.2
6.2.3.3
6.2.3.4
6.2.3.5
Device Address .................................................................................................................. 58
6.3
Application examples ......................................................................................................... 58
6.3.1
6.3.2
6.3.3
Application with stillpipe .................................................................................................... 62
7
Remote operation ................................................................................................................................ 65
7.1
7.1.1
7.1.2
7.1.2.1
Pull-down menu access ...................................................................................................... 67
7.1.3
Adding a new device .......................................................................................................... 68
4
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH