Mitsubishi Electric FR-E700 Instruction Manual page 375

Parameter
● Data writing format
Communication request data from the computer to the inverter
Format
A
A1
A2
Reply data from the inverter to the computer (no data error detected)
Format
Reply data from the inverter to the computer (data error detected)
Format
Indicate a control code (Refer to Tab. 6-69.)
Specify the inverter station numbers between H00 and H1F (stations 0 to 31) in hexadecimal.
When Pr. 123, Pr. 337 "Waiting time setting" ≠ 9999, create the communication request data
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 "CR, LF selection".
FR-E700 EC
1 2 3 4
Inverter
ENQ Instruction
station
code
number
Inverter
ENQ Instruction
station
code
number
Inverter
ENQ Instruction
station
code
number
Number of Characters
1 2
Inverter
C ACK station
number
Number of Characters
1 2
Inverter
D NAK station
number
Number of Characters
5 6 7 8
Waiting
Data
time
Waiting
Data
time
Waiting
time
3 4
3 4 5
Error
code
Communication operation and setting
9 10 11 12
Sum check
Sum check
Data Sum check
13 14 15
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