VEGA VEGAMET 391 With SIL qualification - Manual (Page 2)

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Contents
VEGAMET 391 • With SIL qualification
38704-EN-130228
Contents
1 About this document
1.1 Function ............................................................................. 4
1.2 Target group ....................................................................... 4
1.3 Symbolism used ................................................................. 4
2 For your safety
2.1 Authorised personnel ......................................................... 5
2.2 Appropriate use .................................................................. 5
2.3 Warning about incorrect use ............................................... 5
2.4 General safety instructions ................................................. 5
2.5 Safety label on the instrument ............................................ 5
2.6 CE conformity ..................................................................... 6
2.7 SIL conformity .................................................................... 6
2.8 Safety instructions for Ex areas .......................................... 6
2.9 Environmental instructions ................................................. 6
3 Product description
3.1 Configuration ...................................................................... 7
3.2 Principle of operation .......................................................... 8
3.3 Operation ........................................................................... 8
3.4 Packaging, transport and storage ....................................... 8
4 Mounting
4.1 General instructions ......................................................... 10
4.2 Instructions for installation ................................................ 10
5 Connecting to power supply
5.1 Preparing the connection ................................................. 13
5.2 Connection procedure ...................................................... 13
5.3 Wiring plan ....................................................................... 14
6 Functional safety (SIL)
6.1 Directive and scope .......................................................... 15
6.2 SIL qualification ................................................................ 15
6.3 Application area ............................................................... 15
6.4 Safety concept of the parameterization ............................ 16
7 Setup with the integrated display and adjustment unit
7.1 Adjustment system ........................................................... 18
7.2 Setup steps ...................................................................... 19
7.3 Menu schematic ............................................................... 28
8 Setup with PACTware
8.1 Connect the PC ................................................................ 34
8.2 Parameter adjustment with PACTware .............................. 34
9 Application examples
9.1 Overfill protection according to SIL ................................... 36
9.2 Dry run protection according to SIL2 ................................ 37
9.3 Pump control 1/2 (running time controlled) ....................... 39
10 Maintenance and fault rectification
10.1 Maintenance .................................................................... 42