Mitsubishi Electric FR-E540 K-EC Series Instruction Manual page 129

Note: 1. The inverter station numbers may be set between H00 and H1F (stations 0
and 31) in hexadecimal.
2. *3 indicates the control code.
3. *4 indicates the CR or LF code.
When data is transmitted from the computer to the inverter, codes CR
(carriage return) and LF (line feed) are automatically set at the end of a data
group on some computers. In this case, setting must also be made on the
inverter according to the computer.
Also, the presence and absence of the CR and LF codes can be selected
using Pr. 124.
4. At *5, when Pr. 123 "waiting time setting"
request data without "waiting time" in the data format.
(The number of characters is decremented by 1.)
2) Send data from computer to inverter during data write
[No data error detected]
Inverter
*3
Format C station
ACK
number
1 2
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) Reply 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 H02
ETX H03
ENQ H05
ACK H06
LF H0A
CR H0D
NAK H15
[Data error detected]
Format D
*4
3 4 Number of characters
Sum
Read *3
check
data ETX
3 4 5 6 7 8 9
Read Sum
*3
*4
data
check
ETX
3 4 5 6 7 8 9
Read
data
3 4 5 6 7 8 9
[Data error detected]
*4 Format H
Number of characters
3 4
Start of Text (Start of data)
End of Text (End of data)
Enquiry (Communication request)
Acknowledge (No data error detected)
Line Feed
Carriage Return
Negative Acknowledge (Data error detected)
119
PARAMETERS
9999, create the communication
Inverter
Error
*3
station *4
code
NAK
number
1 2 3 4 5 Number of characters
[Data error detected]
*4
Format F
10 11
*3
NAK
1
*3 Sum
*4
check
ETX
10 11 12 13
Inverter
*3
station
*4
NAK
number
Number of characters
1 2 3 4
Description
Inverter
Error
station
*4
code
number
2 3 4 5
4