Rs485 Communication - Hyundai N700 Series Instruction Manual

N700E INSTRUCTION MANUAL

9. RS485 Communication

The communication between inverter and external controller can be done through RS-485 by use of the
modular connector(RJ-45) located in inverter control board.
Function
code
b17
b31
A01
A02
Interface
Communication method
Communication speed
Communication code
Data bits
Parity
Stop bit
Starting method
Wait time
Connection type
Error check
RS485
1st Communication -RJ45
2nd Communication-Terminal
Function
code
b17
b31
A01
A02
Minimum Maximum
1 32
1 4
0 4
0 3
Item
Frame / CRC / CMD /
MAXREQ / parameter
Minimum Maximum
1 32
1 4
0 4
0 3
RXP
Transmit/Receive
+side
Initial
Unit
Value
1 - Settingthe communication number
9600bps
3 -
0 - 3: Remote Operator(RJ-45)
0 - 2: Remote Operator(RJ-45)
Description
RS485
Half duplex
9600
Binary code
8
No.
1
External request
10∼1000ms
1 : N (Max32)
Pin No.
1
2
3
4
5
6
7
8
Initial
Unit
Value
1 - Settingthe communication number
9600bps
3 -
0 - 4: Remote Operator(Terminal)
0 - 3:Remote Operator(Terminal)
RXN
Transmit/Receive
-side
9-1
Description
Remark
Fixing
Fixing
Fixing
Fixing
Inverter is only slave part.
Communication number is
selected at b17
Signal Descriptions
RS - 485+
RS - 485-
24V
24V GND
Description