Table Of Contents - Siemens SITRANS LG250 Operating Instructions Manual

Contents
1 About this document
1.1 Function ........................................................................................................................... 5
1.2 Target group ..................................................................................................................... 5
1.3 Symbols used................................................................................................................... 5
2 For your safety
2.1 Authorised personnel ....................................................................................................... 6
2.2 Appropriate use ................................................................................................................ 6
2.3 Warning about incorrect use ............................................................................................. 6
2.4 General safety instructions ............................................................................................... 6
2.5 CE conformity ................................................................................................................... 6
2.6 SIL qualification according to IEC 61508 .......................................................................... 7
2.7 Fulfillment of NAMUR recommendations ......................................................................... 7
2.8 Environmental instructions ............................................................................................... 7
3 Product description
3.1 Configuration .................................................................................................................... 8
3.2 Principle of operation........................................................................................................ 9
3.3 Packaging, transport and storage ................................................................................... 11
3.4 Accessories and replacement parts ............................................................................... 11
4 Mounting
4.1 General instructions ....................................................................................................... 13
4.2 Mounting instructions ..................................................................................................... 13
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 21
5.2 Connection ..................................................................................................................... 22
5.3 Wiring plan, single chamber housing.............................................................................. 23
5.4 Wiring plan, double chamber housing ............................................................................ 23
5.5 Double chamber housing with DIS-ADAPT .................................................................... 24
5.6 Wiring plan, Ex-d-ia double chamber housing ................................................................ 25
5.7 Supplementary electronics ............................................................................................. 26
5.8 Switch-on phase............................................................................................................. 26
6 Functional safety (SIL)
6.1 Objective ........................................................................................................................ 28
6.2 SIL qualification .............................................................................................................. 28
6.3 Application area ............................................................................................................. 28
6.4 Safety concept of the parameterization .......................................................................... 29
6.5 Setup process ................................................................................................................ 30
7 Set up with the display and adjustment module
7.1 Insert display and adjustment module ............................................................................ 33
7.2 Adjustment system ......................................................................................................... 33
7.3 Parameter adjustment .................................................................................................... 35
7.4 Saving the parameter adjustment data ........................................................................... 56
8 Setup with PACTware
8.1 Connect the PC .............................................................................................................. 57
8.2 Parameter adjustment with PACTware ............................................................................ 58
8.3 Saving the parameter adjustment data ........................................................................... 59
PBD-51041388 SITRANS LG250 - Operating Instructions
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