SMA New Energy Technology (Jiangsu) Co., Ltd.
3
SMASOLID-Q-Modbus-TI-en-10 | Version 1.0
Technical Information
Table of Contents
1
Information on this Document .............................................................. 4
2
Safety ...................................................................................................... 4
2.1
Intended Use .........................................................................................................4
2.2
Skills of Qualified Persons ....................................................................................4
3
SMA-China Modbus Profile................................................................... 4
3.1
Information on the Assignment Tables .................................................................4
3.2
SMA-China Data Types and NaN Values ..........................................................5
3.3
SMA-China Modbus Profile - Register Overview ................................................5
3.4
Warning and Error Codes ....................................................................................9
3.5
Grid Codes ......................................................................................................... 11
3.6
Dynamic Reactive Power Management ............................................................ 12
3.6.1
CosPhi(P) curve ................................................................................................ 12
3.6.2
Q(U) curve ....................................................................................................... 12
3.7
LVRT curve settings ............................................................................................. 13
3.8
Frame format ...................................................................................................... 13
3.8.1
Read Holding Register (Function Code: 0x03) ............................................... 14
3.8.2
Read Input Register (Function Code: 0x04) .................................................... 15
3.8.3
Write Holding Single Register (Function Code: 0x06) ................................... 16
3.8.4
Write Holding Multiple Registers (Function Code: 0x10) ............................... 17
3.8.5
Write Holding Multiple Registers (Function Code: 0x10) for broadcast ........ 18
3.8.6
Exception Codes .............................................................................................. 18
4
Contact ................................................................................................. 18
