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(3) Data format
Data used is hexadecimal.
Data is automatically transferred in ASCII between the computer and inverter.
• Data format types
1) Communication request data from computer to inverter
[Data write]
*2 Inverter
*1
Format A
station
ENQ
number
1
2
*2 Inverter
*1
Format A'
station
ENQ
number
1
2
*2 Inverter
*1
Format A''
station
ENQ
number
1
2
[Data read]
*2 Inverter
*1
Format B
station
ENQ
number
1
2
2) Reply data from inverter to computer during data write
[No data error detected]
*2 Inverter
*1
Format C
station
ACK
number
1
2
3) Reply data from inverter to computer during data read
[No data error detected]
*2 Inverter
*1
Format E
station
STX
number
1
2
*2 Inverter
*1
Format E'
station
STX
number
1
2
*2 Inverter
*1
Format E''
station
STX
number
1
2
4) Send data from computer to inverter during data read
[No data error detected]
(can be skipped)
*1
Format G
ACK
1
*3
Instruction
Waiting
code
time
3
4
5
6
7
*3
Instruction
Waiting
code
time
3
4
5
6
7
*3
Instruction
Waiting
code
time
3
4
5
6
7
*3
Instruction
Waiting
code
time
3
4
5
6
7
*4
Number of
3
4
characters
Read data
3
4
5
6
7
Read
*1
Sum
data
ETX
check
3
4
5
6
7
Read data
3
4
5
6
7
*2 Inverter
station
*4
number
2
3
4
Number of characters
Sum
Data
check
8
9
10
11
Sum
Data
*4
check
8
9
10
11
Data
8
9
10
11
Sum
*4
check
Number of
8
9
characters
[Data error detected]
*2 Inverter
*1
Format D
station
NAK
number
1
2
*1
Sum
*4
ETX
check
8
9
10
11
*4
Number of
8
9
characters
*1
Sum
ETX
check
8
9
10
11
[Data error detected]
Format H
128
PARAMETERS
*4
12
13
Number of
characters
Number of
characters
Sum
*4
check
12
13
14
15
Number of
characters
Error
*4
code
Number of
3
4
5
characters
[Data error detected]
Format F
*2 Inverter
*1
station
NAK
number
1
2
3
*4
12
13
*2 Inverter
*1
station
*4
NAK
number
1
2
3
4
Error
*4
code
4
5
Number of
characters
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