ABB RVT Serie Instrucciones De Instalación Y De Funcionamiento página 484

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Table of contents
1 Introduction to the controller ........................................................................................................................ 4
1.1 Intended audience .......................................................................................................................................... 4
1.2 Before you start .............................................................................................................................................. 4
1.3 How to use this manual ................................................................................................................................. 4
1.4 Software protocols and physical interface ................................................................................................ 4
2 Modbus protocol overview ............................................................................................................................. 6
2.1 Overview .......................................................................................................................................................... 6
2.2 RS485 Modbus Adapter ................................................................................................................................. 6
2.3 Transactions on Modbus Networks............................................................................................................. 8
2.4 Serial Transmission Mode ............................................................................................................................. 9
2.5 Modbus Message Framing .......................................................................................................................... 10
3 Modbus function codes ................................................................................................................................. 14
3.1 Data Addresses in Modbus Messages ...................................................................................................... 14
3.2 Supported function codes .......................................................................................................................... 14
3.3 Master's queries and Slave's responses ................................................................................................... 15
3.4 Reads and writes to Modbus addresses (functions 1, 2, 3, 4, 5, 6, 15, 16, 22, 23) ................................ 15
3.5 Fetch comm event counter (function 11) .................................................................................................. 16
3.6 Fetch comm event log (function 12) ........................................................................................................... 17
3.7 Diagnostics function and subfunctions (function 8) .............................................................................. 18
3.8 Exception responses .................................................................................................................................... 20
3.9 CRC generation .............................................................................................................................................. 21
4 Ethernet / RJ45 and USB connections for PQ-Link protocol ................................................................. 23
4.1 General overview........................................................................................................................................... 23
4.2 Physical layer ................................................................................................................................................. 23
4.2.1 TCP/IP .......................................................................................................................................................... 23
4.2.2 USB ............................................................................................................................................................... 24
4.3 Framing layer & Command layer ................................................................................................................ 25
5 Data table ......................................................................................................................................................... 27
5.1 Overview ........................................................................................................................................................ 27
5.2 Parameter Types ........................................................................................................................................... 27
5.3 Parameter Changes and access ................................................................................................................. 28
5.4 Parameter Groups ........................................................................................................................................ 29
5.4.1 Configuration ............................................................................................................................................. 29
5.5 Parameter List ............................................................................................................................................... 30
5.5.1 Configuration (Universal) ..........................................................................................................................31
5.5.2 Configuration (Access Protected) ........................................................................................................... 33
5.5.3 Configuration (RVT Specific).................................................................................................................... 48
5.5.4 Measurement .............................................................................................................................................. 56
5.5.5 Info - Universal ........................................................................................................................................... 64
5.6 Source IDs ...................................................................................................................................................... 65
6 Windows Communication DLL for PQ-Link protocol ............................................................................... 67
6.1 Introduction................................................................................................................................................... 67
6.2 Interface ......................................................................................................................................................... 67
6.2.1 Introduction ................................................................................................................................................ 67
6.2.2 Opening and Closing ................................................................................................................................. 68
6.2.3 Authentication ............................................................................................................................................ 68
6.2.4 Parameter access ....................................................................................................................................... 69
6.2.5 Curve access ................................................................................................................................................ 71
6.2.6 Miscellaneous ............................................................................................................................................. 74
6.3 Important considerations ........................................................................................................................... 74
2 Table of contents ç RVT communication