Preen AFV+ Series, Руководство пользователя, Страница: 102 / 137

AFV
+
Series High Power Programmable AC Power Supply
5-90
5.1.3 Write Multiple Registers Command Format
Slave
Address
Functio
n Code
Start
Address
Number of
Addresses
Byte
Count
Data CRC16
DevAddr Func StartAddr Num
Byte
Count
{dat1..;datN} CRC_H CRC_L

Byte1 (Device Address)
：
0x02 (Range
：
1-32)

Byte2 (Function Code)
：
0x10 (Write multiple register addresses
）

Byte3,4 (Start Address)
：
Start address of writing register (Refer to section 5.4)

Byte5,6 (Number of Addresses)
：
The number of register addresses plan to write

Byte7 (Byte Count)
：
Total byte count (or data length) of writing data

Byte8 to N (Data)
：
Write Data Content

Byte N+1
，
N+2 (CRC16)
：
CRC16 checksum of Byte1 to ByteN (Refer to section 5.5)
5.1.4 Write Multiple Registers Correct Answer Format
Slave Address
Function
Code
Start
Address
Number of
Addresses
CRC16
DevAddr Func StartAddr Num CRC_H CRC_L

Byte1 (Device Address)
：
0x02 (Editable)

Byte2 (Function Code) ： 0x10 (Write multiple register addresses)

Byte3,4 (Start Address)
：
Start writing register address (Refer to section 5.4)

Byte5,6 (Number of Addresses) ： The number of register addresses plan to write

Byte7,8 (CRC16)
：
CRC16 checksum of Byte1 to Byte6 (Refer to section 5.5)