Pilz 772 160, Operating Manual

Page: 3 / 39

Contents
Operating Manual PNOZ m EF 4AI
1004650-EN-02
| 3
1 Introduction ............................................................................................................................ 5
1.1 Validity of documentation .......................................................................................................... 5
1.2 Using the documentation .......................................................................................................... 5
1.3 Definition of symbols ................................................................................................................. 5
2 Overview ................................................................................................................................. 7
2.1 Scope of supply ........................................................................................................................ 7
2.2 Unit features ............................................................................................................................. 7
2.3 Front view ................................................................................................................................. 8
3 Safety ...................................................................................................................................... 9
3.1 Intended use ............................................................................................................................. 9
3.2 System requirements ................................................................................................................ 10
3.3 Safety regulations ..................................................................................................................... 10
3.3.1 Safety assessment ................................................................................................................... 10
3.3.2 Use of qualified personnel ........................................................................................................ 10
3.3.3 Warranty and liability ................................................................................................................ 11
3.3.4 Disposal .................................................................................................................................... 11
3.3.5 For your safety .......................................................................................................................... 11
4 Function Description ............................................................................................................. 12
4.1 Integrated protection mechanisms ............................................................................................ 12
4.1.1 Measures for achieving process safety .................................................................................... 13
4.2 Analogue inputs ........................................................................................................................ 15
4.3 Monitoring functions .................................................................................................................. 15
4.3.1 Working range monitoring ......................................................................................................... 15
4.3.2 Plausibility check ...................................................................................................................... 17
4.3.3 Scaling ...................................................................................................................................... 20
4.3.4 Mathematical operations ........................................................................................................... 20
4.3.5 Constant ................................................................................................................................... 20
4.3.6 Threshold value monitoring ...................................................................................................... 20
4.3.7 Range monitoring ..................................................................................................................... 21
4.3.8 Diagnostics ............................................................................................................................... 22
4.4 Block diagram ........................................................................................................................... 23
5 Installation .............................................................................................................................. 24
5.1 General installation guidelines .................................................................................................. 24
5.2 Dimensions in mm .................................................................................................................... 24
5.3 Connecting the base unit and expansion modules ................................................................... 24
6 Commissioning ...................................................................................................................... 26
6.1 Wiring ........................................................................................................................................ 26
6.2 Connection ................................................................................................................................ 26
6.3 Download modified project to the PNOZmulti system .............................................................. 31
7 Operation ................................................................................................................................ 32
7.1 LED indicators .......................................................................................................................... 32