Commands And Contents Of The Character Area - Mitsubishi MELSEC Q Series Reference Manual

3.13.1 Commands and contents of the character area

—
(subcommand)
Function
Mode switching
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3 WHEN COMMUNICATING USING THE QnA COMPATIBLE 3E/3C/4C FRAMES OR 4E FRAME
The following explains the commands and the contents of the character area (data
section in communication in binary code) when the C24 mode is switched from an
external device.
(1) Commands
Command
Processing
Switches the operation mode and
1612 (0000) transmission specifications of the
designated interface.
in the programmable controller CPU status column in the table above indicates that execution is possible.
(2) Contents of the character area
The following explains the contents of the character area when the C24 mode is
switched from an external device.
For the contents and constraints for each setting value, refer to the User's
Manual (Basic).
(a) Channel number
This value designates the interface (CH
1) Data communication in ASCII code
The value shown in 3) is converted to a 2-digit (hexadecimal) ASCII
code and sequentially transmitted beginning from the most significant
digit ("0").
2) Data communication in binary code
Transmit using the 1-byte value shown in 3).
3) The channel number values designated and corresponding target
interfaces are shown below.
Designated value
1
H
2
H
Number of processing
performed per
communication
Access station-1
(Refer to Section 3.2
7
)
(One station)
CH1 interface of the C24
CH2 interface of the C24
Programmable controller CPU
status
During RUN
During
Write Write
STOP
enabled disabled
) whose mode is to be switched.
Target interface
Reference
Section 3.13.2
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