Mitsubishi Electric FR-CC2-P, Instruction Manual

Page: 122 / 184

(N) Operation via communication and its settings
PARAMETER
121
5
GROUP
N
• Data reading format
a. Communication request data from the computer to the converter unit
c. Reply data from the converter unit to the computer (No data error detected)
c. Reply data from the converter unit to the computer (Data error detected)
e. Transmission data from the computer to the converter unit

Indicates a control code.

Specifies the converter unit station numbers in the range of H00 to H1F (stations 0 to 31) in hexadecimal.

When Pr.123 (Waiting time setting)

9999, create a 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 converter unit, 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 be also made on the converter unit according to the computer.
Whether the CR and LF codes will be present or absent can be selected using
Pr.124 (CR/LF selection) .
Format
Number of characters
1 2 3 4 5 6 7 8 9
B
ENQ

Converter unit
station No.


Instruction code

Sum check

Format
Number of characters
1 2 3 4 5 6 7 8 9 10 11 12 13
E
STX

Converter unit
station No.


Read data
ETX


Sum check

E1
STX


Converter unit
station No.


Read data
ETX

Sum
check

E2
STX


Converter unit
station No.


Read data (model information, capacity)
ETX

Sum check

Format
Number of characters
1 2 3 4 to 23 24 25 26 27
E3
STX

Converter unit
station No.


Read data (model information, model name)
ETX

Sum check

Format
Number of characters
1 2 3 4 5
D
NAK

Converter unit
station No.


Error
code

Format
Number of characters
1 2 3 4
C
(No data error
detected)
ACK

Converter unit
station No.



F
(Data error
detected)
NAK

Converter unit
station No.


