Siemens SITRANS F Modbus RTU RS 485 - Table of Contents

Table of contents
1 Introduction........................................................................................................................................... 5
1.1 Purpose of the Operating Instructions .................................................................................. 5
1.2 Document history ................................................................................................................ 5
1.3 Modbus RTU technology ...................................................................................................... 5
1.4 Further Information ............................................................................................................. 7
2 Safety notes ........................................................................................................................................... 9
2.1 Installation in hazardous area............................................................................................... 9
3 Installing/mounting ............................................................................................................................. 11
3.1 MAG/MASS 6000 IP67 or 19" .............................................................................................. 12
3.2 MAG 6000 I ....................................................................................................................... 14
3.3 MASS 6000 Ex d................................................................................................................. 15
4 Connecting .......................................................................................................................................... 17
4.1 Wiring ............................................................................................................................... 18
5 System integration .............................................................................................................................. 19
5.1 Function check .................................................................................................................. 19
5.2 Navigating the Modbus display menu................................................................................. 20
6 Functions codes ................................................................................................................................... 23
6.1 Modbus Commands........................................................................................................... 23
6.2 Read coils .......................................................................................................................... 24
6.3 Read multiple registers....................................................................................................... 26
6.4 Write single coil ................................................................................................................. 28
6.5 Write multiple registers ...................................................................................................... 30
6.6 Report slave ID command................................................................................................... 32
6.7 Exception handlng ............................................................................................................. 33
7 Technical speci󹪝cations ....................................................................................................................... 35
A Modbus holding registers.................................................................................................................... 37
A.1 Process data....................................................................................................................... 37
A.2 MODBUS driver settings ..................................................................................................... 38
A.3 MODBUS application settings ............................................................................................. 39
A.4 Basic settings..................................................................................................................... 40
A.5 Totalizer............................................................................................................................. 42
Modbus RTU RS 485
Operating Instructions, 03/2021, A5E00753974-AB 3