Hyundai N100, Instruction Manual

Page: 7 / 18

N100
plus
Inverter RS485 Interface Instruction Manual
1.2.1 Inverter read frame
It requires 1~8 parameters of Inverter.
(1) External controller transmit frame
Communication
number
Command parameter
Parameter
count
CRC Hi CRC Lo
Clause Description Data size Specifications
Communication
number Inverter communication
number
1 byte 1~32
Command Frame type 1 byte 0x03
Parameter Parameter 2 byte
1st byte : Group
2nd byte : index (Note1)
Parameter
number
Request parameter
Number
2 byte
1st byte : 0x00
2nd byte : N(0x01~0x08)
CRC Hi - 1 byte Higher 8bit of 16 bit CRC
CRC Lo - 1 byte Lower 8bit of 16 bit CRC
Table 3 External controller transmit frame
(2) Inverter response frame
Communication
number
Order
Byte
number
Data1 ……… Data N CRC Hi CRC Lo
Clause Description Data size Specifications
Communication
number Inverter communication
number
1 byte 1~32
Command Frame type 1 byte 0x03
Request Byte Data byte number 1 byte Request parameter number ⅹ 2
Data 1 Parameter 1 2 byte Parameter value
Data N Parameter N 2 byte Nth parameter value
CRC Hi - 1 byte Higher 8bit of 16bit CRC
CRC Lo - 1 byte Lower 8bit of 16bit CRC
Table 4 Inverter response frame
※ Frame size = 5byte (Communication C Request Byte + CRC H +
CRC L) + Request parameter number ⅹ 2byte (Data1 + Data2 + … .. +
Data N)
N100_Inverter RS485 Interface Manual(English).doc
5