Mitsubishi FR - S500 Instruction Manual page 130

REMARKS
* 1. Setting any of "0.1" to "999" in Pr. 37 "speed display" and "1" in data code
"HFF" sets the data format to A" or E" (6-digit data).
Also, the output frequency turns to a speed display, which is valid in 0.01r/min
increments. (The third decimal place is invalid.)
If the data code "HFF" is other than "1", the display is in 1r/min increments and
a 4-digit data format can be used.
Reply data is given in format E if the requested monitor data has 4 digits, in
format E' if the data has 2 digits, or in format E" if the data has 6 digits.
* 2. The data format to read/write Pr. 37 "speed display" is always E"/A" (6-digit data).
(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]
*3
Format A
ENQ
1
*3
Format A'
ENQ
1
*3
Format A"
ENQ
1
[Data read]
*3
Format B
ENQ
1
2) Reply data from inverter to computer during data write
[No data error detected]
*3
Format C
ACK
1
3) Reply data from inverter to computer during data read
[No data error detected]
*3
Format E
STX
1
*3
Format E'
STX
1
*3
Format E''
STX
1
Inverter
Instruction
station
code
number
2 3 4 5 6
Inverter
Instruction
station
code
number
2 3 4 5 6
Inverter
Instruction
station
code
number
2 3 4 5 6
Inverter
Instruction
station
code
number
2 3 4 5 6
Inverter
station
*4
number
Number
2 3 4
of
characters
Inverter
Read
station
data
number
2 3 4 5 6
Inverter
Read
*3
station
data ETX
number
2 3 4 5 6
Inverter
Read
station
data
number
2 3 4 5 6
Sum
Data
check
7 8 9 10 11 12 13
Sum
Data *4
check
7 8 9 10 11
Data
7 8 9 10 11 12 13 14 15
Sum
*4
check
7 8 9 Number of characters
[Data error detected]
Inverter
*3
Format D
NAK
number
1
*3 Sum
*4
check
ETX
7 8 9 10 11
Sum
*4
Number
check
of
characters
7 8 9
*3
Sum
check
ETX
7 8 9 10 11 12 13
121
*4
Number of
characters
Number of characters
Sum
*4
check
Number
characters
Error
station
*4
code
Number
2 3 4 5
characters
[Data error detected]
Format F
Inverter
*3
Error
station
code
NAK
number
1 2 3
*4
Number of
characters
of
of
2
*4
4 5