Mitsubishi Electric FR-E700 Instruction Manual page 403

Parameter
● Data reading format
Communication request data from the computer to the inverter ³
Format
Reply data from the inverter to the computer » (No data error detected)
Format
E1
E2
Format
E3
Reply data from the inverter to the computer » (Data error detected)
Format
Send data from the computer to the inverter ´
Format
(No data error detected)
(Data error detected)
Indicate a control code (Refer to Tab. 6-74.)
Specify the inverter station numbers between H00 and H1F (stations 0 to 31) in hexadecimal.
When Pr. 123, Pr. 337 "Waiting time setting"
without "waiting time" in the data format. (The number of characters decreases by 1.)
CR, 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. Whether the CR and LF codes will
be present or absent can be selected using Pr. 124 "PU communication CR/LF selection".
FR-E700 SC EC/ENE
1 2 3
Inverter station
B
ENQ
number
1 2 3
Inverter station
E
STX
number
Inverter station
STX
number
Inverter station
STX
number
1 2 3
Inverter station
STX
number
Number of Characters
1 2 3
Inverter station
D
NAK
number
Number of Characters
1 2 3
Inverter station
C
ACK
number
Inverter station
F
NAK
number
Communication operation and setting
Number of Characters
4 5 6 7
Waiting
Instruction
Sum check
code
time
Number of Characters
4 5 6 7
Read data
ETX
Read data Sum check
ETX
Read data
Number of Characters
4–23
Read data (Inverter type information)
4 5
Error
code
4
9999, create the communication request data
8 9
8 9 10 11 12
Sum check
d
Sum check
ETX
24 25 26
Sum check
ETX
13
27
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