Mitsubishi Electric 800 Series Instruction Manual page 39

Rs-485 interface board, rs-485 communication terminals
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• Data reading format
a. Communication request data from the computer to the inverter
Format
1
ENQ
B

c. Reply data from the inverter to the computer (No data error detected)
Format
1
STX
E

STX
E1

STX
E2

Format
1
STX
E3

c. Reply data from the inverter to the computer (Data error detected)
Format
1
NAK
D

38
PARAMETER
Number of characters
2
3
4
Inverter station
Instruction code
No.

2
3
4
Inverter station
Read data
No.

Inverter station
Read data
No.

Inverter station
Read data
No.

2
3
Inverter station
Read data (Inverter model information)
No.

Number of characters
2
3
4
Inverter station
Error

No.
code

5
6
7
8
Sum check

Number of characters
5
6
7
8
ETX

ETX
Sum check

Number of characters
4 to 23
5
9

9
10
11
Sum check


ETX
Sum check

24
25
ETX
Sum check

12
13

26
27


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