Mitsubishi Electric GT16, User Manual

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62. MICROCOMPUTER CONNECTION (ETHERNET)
62.4 Message Formats
POINT POINT POINT
When connecting a microcomputer, etc. that uses the MC protocol of the Q/QnA series serial communication
module with the GOT
When connecting a microcomputer, etc. that uses the MC protocol of the Q/QnA series serial communication
module with the GOT, correct the commands to be used and the device ranges to match the GOT specifications.
Head device
Specifies the head No. of the device data to be read/written.
For details of the device range that can be accessed, refer to the following.
62.3 Device Data Area
Transmit the data notated in decimal converted to a 6-digit
ASCII code, from the upper digit. Transmit the head device converted to a 3-digit binary code,
from the lower digit.
Number of devices
Specifies the number of device data to be read/written. (Setting range: 1 to 40
H
)
<When using random read/write command>
When setting multiple bit accesses, word accesses or double word accesses, limit the total number of access points to
within 64 points.
<When using multiple block batch read/write commands>
When setting multiple blocks, limit the total number of points of all blocks to within 64 points.
Transmit the data notated in decimal converted to a 4-digit
ASCII code, from the upper digit. Transmit the number of devices converted to a 2-digit binary
code, from the lower digit.
Year, month, day, hour,
minute, second and day
of the week data
Specifies year, month, day, hour, minute, second, and day of the week to be read/set to the GOT clock data.
 Message format(1)Read clock data (1901) command
 Message format(2)Set clock data (0901) command
Transmit the data notated in decimal converted to a 2-digit
ASCII code, from the upper digit.
Transmit the data converted to a 2-digit binary code.
End code
(Microcomputer side)
Appended to the response message from the microcomputer side. If an error occurs at the microcomputer side, the error
code is displayed.

Error code list
Transmit the data notated in hexadecimal converted to a 4-
digit ASCII code, from the upper digit. Transmit the end code converted to a 2-digit binary code,
from the lower digit.
Data item name
Contents
Format 8 Format 9