Instruction manual

126
PARAMETERS
(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
2) Reply data from inverter to computer during data write
3) Reply data from inverter to computer during data read
4) Send data from computer to inverter during data read
*1
ENQ
*4
123456789101112
13
*1
ENQ
*4
1234567891011
*1
ENQ
*4
123456789
[Data write]
Format A
[Data read]
Format A'
Format B
*2 Inverter
station
number
Instruction
code
*3
Waiting
time
Data
Sum
check
Instruction
code
Instruction
code
*3
Waiting
time
*3
Waiting
time
Data
Sum
check
Sum
check
←
Number of
characters
*1
ENQ
*4
123456789101112131415
Format A''
*2 Inverter
station
number
Instruction
code
*3
Waiting
time
Sum
check
Data
←
Number of
characters
←
Number of
characters
←
Number of
characters
*2 Inverter
station
number
*2 Inverter
station
number
*1
ACK
*4
1234
*1
NAK
123 4
*4
5
[No data error detected] [Data error detected]
Format C
Format D
*2 Inverter
station
number
Error
code
←
Number of
characters
←
Number of
characters
*2 Inverter
station
number
123 4 5
1234567891011
[No data error detected]
123456789
*1
STX
Format E
Read
data
Sum
check
←
Number of
characters
Format E'
*1
ETX
*4Read data
Sum
check
*4
*1
ETX
*1
STX
[Data error detected]
Format F
*1
NAK
Error
code
*4
*2 Inverter
station
number
1 2 3 4 5 6 7 8 9 10 11 12 13
*1
STX
Format E''
Sum
check
*1
ETX
*4Read data
*2 Inverter
station
number
*2 Inverter
station
number
*2 Inverter
station
number
1234 123 4
[No data error detected]
(can be skipped)
*1
ACK
Format G
←
Number of characters
Format H
*4
*1
NAK
[Data error detected]
*4
*2 Inverter
station
number
←
Number of
characters
*2 Inverter
station
number
M4500E.book 126 ページ ２００５年２月２２日 火曜日 午後５時７分