Mitsubishi FR-E500 Series Instruction Manual page 118

3) Reply data from inverter to computer during data read
[No data error detected]
Inverter
* 3
Format E station
STX
number
1 2
Inverter
* 3
Format E'
station
STX
number
1 2
Inverter
* 3
station
Format E"
STX
number
1 2
4) Send data from computer to inverter during data read
[No data error detected]
Inverter
* 3
station
Format G
ACK
number
1 2
(4) Data definitions
1) Control codes
Signal ASCII Code
STX
ETX
ENQ
ACK
LF
CR
NAK
2) Inverter station number
Specify the station number of the inverter which communicates with the computer.
3) Instruction code
Specify the processing request, e.g. operation, monitoring, given by the computer
to the inverter. Hence, the inverter can be run and monitored in various ways by
specifying the instruction code as appropriate. (Refer to page 185.)
4) Data
Indicates the data such as frequency and parameters transferred to and from the
inverter. The definitions and ranges of set data are determined in accordance with
the instruction codes. (Refer to page 185.)
Read * 3
data ETX
3 4 5 6 7 8
Read Sum
* 3
data check
ETX
3 4 5 6 7 8
Read
data
3 4 5 6 7 8
[Data error detected]
* 4 Format H
←Number of characters
3 4
H02 Start of Text (Start of data)
H03 End of Text (End of data)
H05 Enquiry (Communication request)
H06 Acknowledge (No data error detected)
H0A Line Feed
H0D Carriage Return
H15 Negative Acknowledge (Data error detected)
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[Data error detected]
Sum
* 4
check
9 10 11
* 4
9
* 3 Sum
* 4
check
ETX
9 10 11 12 13
Inverter
* 3
station
* 4
NAK
number
1 2 3 4
Description
103
PARAMETERS
Format F
Inverter
Error
* 3
station
code
NAK
number
1 2 3 4
←Number of characters
* 4
5