Mitsubishi Electric GOT2000 Series Connection Manual page 213

■2. Details of data items in message format
The following table shows the contents of the data items.
Data item name
Indicates it is a command message.
Request type
(Microcomputer side)
Command message: ASCII "5400" (Fixed value)
Indicates it is a response message.
Response type
(GOT side)
Response message: ASCII "D400" (Fixed value)
Arbitrary number for recognition of the message appended at the microcomputer side. GOT sends the response message
Serial No.
appending this Serial No.
Fixed value Should be ASCII "0000".
Set the same number as the network No. set in the GOT.
For setting method of "Communication Detail Settings", refer to the following.
➠
3.5.1 Setting communication interface (Controller Setting)
Network No.
Transmit the data converted to a 2-digit ASCII code from the
upper digit.
Set the same number as the PLC No. set in the GOT.
For setting method of "Communication Detail Settings", refer to the following.
➠
3.5.1 Setting communication interface (Controller Setting)
PLC No.
Transmit the data converted to a 2-digit ASCII code from the
upper digit.
Request destination
Ignore GOT.
module I/O No.
Request destination
Ignore GOT.
module station No.
Number of bytes from the start of CPU monitoring timer to the last request data.
Request data length
Transmit the data converted to a 4-digit ASCII code from the
upper digit.
Appended to the response message from the microcomputer side.
Number of bytes from the start of end code to the last request data.
Response data length
Transmit the data converted to a 4-digit ASCII code from the
upper digit.
CPU monitoring timer Ignore GOT.
Specifies the access contents from the microcomputer side to GOT. For details of the commands that can be used, refer to the
following.
Command,
➠
3.4.2 List of commands
Sub-command
Transmit the command and sub-command converted to a 4-digit
ASCII code, from the upper digit.
Specifies the code by which the device data to be read/written is recognized.
For details of the device range that can be accessed, refer to the following.
➠
3.3 Device Data Area
Transmit the 2-digit ASCII code corresponding to the following
device codes.
Device code
POINT POINT POINT
Data code during communication
Communication of format 6 is performed in ASCII code.
Communication of the format 7 is performed in Binary code.
Format 6
Device name Device code
M M*
SM SM
L L*
D D*
SD SD
R*
R
Contents
Format 7
Command message: 54H (Upper digit) (Fixed value)
Response message: D4H (Upper digit) (Fixed value)
Should be "0000H".
Transmit the data converted to a 2-digit binary code.
Transmit the data converted to a 2-digit binary code.
Transmit the data converted to a 4-digit binary code from the
lower two digits.
Transmit the data converted to a 4-digit binary code from the
lower two digits.
Transmit the data converted to a 4-digit binary code from the
lower two digits.
Transmit the 2-digit binary code corresponding to the following
device codes.
Device name
M
SM
L
D
SD
R
3.4 Message Formats
3
Device code
90H
91H
92H
A8H
A9H
AFH
3 - 51