Hyundai N700E User Manual

N700E INSTRUCTION MANUAL
3-76
Communication sequence
The communication sequence is as follows
External
controller
Inverter
Frame 1
Frame 2
Wait time
 Frame Start: Frame start is recognized by signal line data transmitted
 Frame Complete: Frame completion is recognized by no data during 4, 5-character time.
 Frame 1: Transmit from external controller to VFD.
 Frame 2: Indication reflects from VFD to external controller
3.7.4 Communication Frame Type and Form
External Controller Transmit Frame
Communication
number
Command
Parameter
Parameter Count
CRC Hi
CRC Lo
Description
Data size
Specifications
Communication
number
Inverter
Communication
number
1 byte
1~32
Command
Frame type
1 byte
0x03
Parameter
Parameter
2 byte
1
st
byte : Group
2
nd
byte : Index
(Note1)
Parameter
number
Request parameter
number
2 byte
1
st
byte : 0x00
2
nd
byte : N(0x01~0x08)
CRC Hi
-
1 byte
Higher 8bit of 16bit CRC
CRC Lo
-
1 byte
Lower 8bit of 16bit CRC
Inverter response frame
Communication
number
Order
Byte
Number
Data 1
• • • •
Data N
CRC Hi
CRC Lo
Description
Data size
Specifications
Communication
number
Inverter
Communication
number
1 byte
1~32
Command
Frame type
1 byte
0x03
Byte Number
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
＊Frame Size = 5 + Request parameter number x 2

Hyundai N700E Specifications

General

Brand	Hyundai
Model	N700E
Category	Inverter
Language	English