SMA Data Manager L - Table of Contents

Table of Contents
SMA Solar Technology AG
Technical Information 3SMAModbus-ennexOS-TI-en-10
Table of Contents
1 Information on this Document..................................................................................................... 4
1.1 Validity.............................................................................................................................................................. 4
1.2 Target Group ................................................................................................................................................... 4
1.3 Content and Structure of this Document......................................................................................................... 4
1.4 Levels of warning messages............................................................................................................................ 4
1.5 Symbols in the Document................................................................................................................................ 5
1.6 Typographical Elements in the Document...................................................................................................... 5
1.7 Additional Information..................................................................................................................................... 5
2 Safety ............................................................................................................................................ 6
2.1 Intended Use.................................................................................................................................................... 6
2.2 IMPORTANT SAFETY INSTRUCTIONS ......................................................................................................... 6
3 Product Overview........................................................................................................................ 8
3.1 Modbus Protocol ............................................................................................................................................. 8
3.2 SMA Modbus Profile....................................................................................................................................... 8
3.3 System Topology ............................................................................................................................................. 8
3.4 Addressing and Data Transmission ................................................................................................................ 8
3.4.1 Unit IDs ............................................................................................................................................................ 8
3.4.2 Register Address, Register Width and Data Block........................................................................................ 8
3.4.3 Data Transmission ........................................................................................................................................... 8
3.4.4 Reading and Writing of Data......................................................................................................................... 9
3.4.5 SMA Data Types and NaN Values............................................................................................................... 10
3.4.6 SMA Data Formats ......................................................................................................................................... 10
3.4.7 SMA Firmware Data Formats......................................................................................................................... 11
3.5 Modbus Ports................................................................................................................................................... 11
3.6 Data Processing and Time Behavior............................................................................................................... 12
3.7 Number codes of time zones.......................................................................................................................... 13
3.8 Frequently Used Number Codes.................................................................................................................... 16
4 Configuration ............................................................................................................................... 19
5 Contact.......................................................................................................................................... 20