Mitsubishi Electric GT16, Руководство пользователя

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62. MICROCOMPUTER CONNECTION (ETHERNET)
62.4 Message Formats
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CONNECTION T
O
MURA
T
E
C
CONTROLL
ER
61
MI
C
R
O
C
OMPUTER
CONNECTION (SE
R
IA
L)
62
MICR
OCOMPUTER
CONNECTION (E
T
HE
RN
E
T)
63
MO
D
B
US(R)/
R
T
U
CONNE
C
T
ION
64
MO
DBUS(R)/
TCP
CON
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T
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65
V
NC(R) S
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V
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R
CONNECTION

Details of data items in message format
POINT POINT POINT
Data code during communication
Communication of format 8 is performed in ASCII code.
Communication of the format 9 is performed in Binary code.
The following table shows the contents of the data items.
Data item name
Contents
Format 8 Format 9
Sub header
(Microcomputer side)
Indicates it is a command message.
Command message: ASCII "5000" (Fixed value) Command message: 50
H
(Upper digit) (Fixed value)
Sub header
(GOT side)
Indicates it is a response message.
Response message: ASCII "D000" (Fixed value) Response message: D0
H
(Upper digit) (Fixed value)
Network No.
Set the same number as the network No. set in the GOT.
For setting method of "Communication Detail Settings", refer to the following.
62.5.1 Setting communication interface (Communication settings)
Transmit the data notated in hexadecimal converted to a 2-
digit ASCII code, from the upper digit. Transmit the data notated in hexadecimal converted to a 1-
digit binary code, from the upper digit.
PLC No.
Set the same number as the PLC No. set in the GOT.
For setting method of "Communication Detail Settings", refer to the following.
62.5.1 Setting communication interface (Communication settings)
Transmit the data notated in hexadecimal converted to a 2-
digit ASCII code, from the upper digit. Transmit the data notated in hexadecimal converted to a 1-
digit binary code, from the upper digit.
Request destination
module I/O No.
Ignore GOT.
Request destination
module station No.
Ignore GOT.
Request data length
Number of bytes from the start of CPU monitoring timer to the last request data.
Transmit the data notated in hexadecimal converted to a 4-
digit ASCII code, from the upper digit. Transmit the data notated in hexadecimal converted to a 2-
digit binary code, from the lower digit.
Response data length
Appended to the response message from the microcomputer side.
Number of bytes from the start of end code to the last request data.
Transmit the data notated in hexadecimal converted to a 4-
digit ASCII code, from the upper digit. Transmit the data notated in hexadecimal converted to a 2-
digit binary code, from the lower digit.
CPU monitoring timer Ignore GOT.
Command,
sub-command
Specifies the access contents from the microcomputer side to GOT. For details of the commands that can be used, refer to
the following.
62.4.2 List of commands
Transmit the command and sub-command converted to a 4-
digit ASCII code, from the upper digit. Transmit the command and sub-command converted to a 2-
digit binary code, from the lower digit.
Device code
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.
62.3 Device Data Area
Transmit the 2-digit ASCII code corresponding to the
following device codes. Transmit the 1-digit binary code corresponding to the
following device codes.
Device name Device code
M M*
SM SM
L L*
D D*
SD SD
R R*
Device name Device code
M 90H
SM 91H
L 92H
D A8H
SD A9H
R AFH