Mitsubishi Electric FR-S500 Series, Instruction Manual

Page: 158 / 222

148
Communication parameters
(3) Data format
Data communication between the computer and inverter is made in ASCII code
(hexadecimal code).
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 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Format A
Format A'
Format A"
[Data write]
[Data read]
Format B
Number of
characters
Number of characters
*1
ENQ
*2
Inverter
station
number
Instruction
code
Data *4
Number
of
characters
Sum
check
Number of characters
1 2 3 4 5 6 7 8 9 10 11
*1
ENQ
*2
Inverter
station
number
Instruction
code
Data *4
Sum
check
1 2 3 4 5 6 7 8 9 10 11 12 13
*1
ENQ
*2
Inverter
station
number
Instruction
code
Data *4
Sum
check
1 2 3 4 5 6 7 8 9
*1
ENQ
*2
Inverter
station
number
Instruction
code
*4
Sum
check
*3
Waiting
time
*3
Waiting
time
*3
Waiting
time
*3
Waiting
time
Error
code
*2
Inverter
station
number
*1
ACK
*4
Number
of
characters
Format C
*2
Inverter
station
number
Number
of
characters
*1
NAK
*4
Format D
[No data error detected]
[Data error detected]
1 2 3 4
1 2 3 4 5
Format E''
Format E'
*1
ETX
Number
of
characters
Format F
*1
STX
[Data error detected] [No data error detected]
Read
data
Number of
characters
1 2 3 4 5 6 7 8 9 10 11 12 13
*2
Inverter
station
number
*4
Sum
check
Format E
*1
STX
*1
ETX
Read
data
1 2 3 4 5 6 7 8 9 10 11
*2
Inverter
station
number
*4
Sum
check
Error
code
*2
Inverter
station
number
*1
NAK
*4
1 2 3 4 5
*1
STX
*1
ETX
Read
data
1 2 3 4 5 6 7 8 9
*2
Inverter
station
number
*4
Sum
check
*1
ACK
*4
Number
of
characters
*2
Inverter
station
number
1 2 3 4
Format G Format H
[No data error detected]
(May be omitted) [Data error detected]
Number
of
characters
*1
NAK
*4
*2
Inverter
station
number
1 2 3 4