Siemens SITRANS SL - Page 4

Table of contents
SITRANS SL
6 Operating Instructions, 12/2010, A5E01132948-04
4 Installing .................................................................................................................................................. 39
4.1 Safety information ....................................................................................................................... 39
4.2 Mounting...................................................................................................................................... 40
4.2.1 Mounting conditions
.................................................................................................................... 40
4.2.2 Preparations................................................................................................................................ 41
4.2.3 Installation of process
flanges..................................................................................................... 43
4.2.4 Installation of the sensors ........................................................................................................... 44
4.2.5 Installation of the purging tubes
.................................................................................................. 45
4.3 Electric connections
non Ex........................................................................................................ 46
4.3.1 System set-up (non E
x only)....................................................................................................... 47
4.3.2 Screw terminals........................................................................................................................... 48
4.3.3 Connecting cables....................................................................................................................... 52
4.4 Alignment of SITRANS SL .......................................................................................................... 57
4.4.1 Alignment kit................................................................................................................................ 58
4.4.2 Alignment proc
edure................................................................................................................... 59
4.5 Purging........................................................................................................................................ 64
4.5.1 Sensor side purging .................................................................................................................... 64
4.5.2 Process side
purging................................................................................................................... 65
4.5.3 Purging set-up............................................................................................................................. 66
5 Explosion pro
tection ................................................................................................................................ 67
5.1 ATEX........................................................................................................................................... 67
5.1.1 Safety information ....................................................................................................................... 67
5.1.2 Installation ATEX......................................................................................................................... 70
5.1.3 ATEX system set-up
................................................................................................................... 71
5.1.4 Electric connections in the
ATEX system ................................................................................... 73
5.2 FM ............................................................................................................................................... 78
5.2.1 Introduction ................................................................................................................................. 78
5.2.2 Safety information ....................................................................................................................... 78
5.2.3 Installation of the FM version of SITRANS SL............................................................................ 81
5.2.4 FM system set-up........................................................................................................................ 82
5.2.5 Electric connections in the FM s
ystem........................................................................................ 84