Basic Documentation

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Siemens VAV Compact Controller Modbus RTU A6V10631862_en--_e
Smart Infrastructure 2021-10-26
Table of contents
1 Introduction..........................................................................................4
1.1 Revision history .....................................................................................4
1.2 Before you start .....................................................................................4
1.3 Objectives of this basic documentation...................................................5
1.4 Referenced documents ..........................................................................5
2 Device ...................................................................................................6
2.1 Type summary .......................................................................................6
2.2 Design and device parts.........................................................................9
2.3 Dimensions ............................................................................................9
2.4 Human-machine interface .................................................................... 10
2.5 Internal diagrams ................................................................................. 12
2.6 Measuring principle .............................................................................. 13
3 Functionality / application ................................................................. 14
3.1 Fields of application ............................................................................. 14
3.2 Application examples ........................................................................... 14
4 Electrical and mechanical installation .............................................. 16
4.1 Mechanical installation / mounting ........................................................ 16
4.2 Electrical installation / cabling .............................................................. 17
5 Parameterization and operating modes ............................................ 19
5.1 Settings and user interaction ................................................................ 19
5.2 Configuration and maintenance tools ................................................... 21
5.3 Setting examples ................................................................................. 22
6 Engineering and commissioning ...................................................... 26
6.1 Fundamentals / environments .............................................................. 26
6.2 Engineering ......................................................................................... 26
6.3 Commissioning .................................................................................... 26
7 Safety and EMC optimization ............................................................ 28
7.1 Safety notes ........................................................................................ 28
7.2 Device-specific regulations .................................................................. 29
7.3 Notes on EMC optimization .................................................................. 30
8 Technical data .................................................................................... 31
9 Datapoints and function description ................................................ 33
9.1 Device Parameters (ACS931 / ACS941 / AST20) ...................................... 33
9.2 Modbus Registers ................................................................................ 34
9.3 Parameter and function description ...................................................... 36
9.4 Object and function priorities ................................................................ 39
10 Environmental compatibility and disposal ....................................... 40