Parameter Description
Parameter Description
65
③
Data transmission from the computer to inverter; inverter’s data responses
●
Write data
Format
Information Number
1
2
3
4
5
6
C
(Data no error)
ACK
*1)
Station Number
Stop Character
*3)
D
(Data error)
NAK
*1)
Station Number
Error Code
*5)
Stop Character
*3)
●
Readout data
Format
Information Number
1
2
3
4
5
6
7
8
9
10
11
12
13
E
(Data no
error)
STX
*1)
Station
Number
Readout Data
Unit
*4)
ETX
Sum
Check
*7)
Stop
Character
*3)
D
(Data error)
NAK
*1)
Station
Number
Error
Code
*5)
Stop
Character
*3)
⑤
Inverter’s responding data when the computer performs data reading
Format
Information number
1
2
3
4
5
C
(No data error)
ACK
*1)
Station Number
Stop Character
*3)
F
(Data error)
NAK
*1)
Station Number
Stop Character
*3)
*1) Description of Control Codes (ASCII CODE)
Control Code
ASCII CODE
Description
Control Code ASCII
码
Description
NUL
H00
NULL
ACK
H06
Acknowledge
STX
H02
Start of Text
LF
H0A
Line Feed
ETX
H03
End of Text
CR
H0D
Carriage Return
ENQ
H05
Enquiry
NAK
H15
Negative Acknowledge
*2) Waiting time is set between 0 and 15, and the unit is 10ms; for example, 5 denotes 50ms.
*3) Stop Character (CR, LF CODE)
For data communication between the computer and the inverter, packet the last CR and LF
codes by the automatic setup of the computer. The inverter of the PC must be set up. If only CR
is selected, only one register is needed. If both CR and LF are chosen, two registers have to be