Mitsubishi GOT1000 Series Connection Manual page 759

2 Details of data items in message format
Data code during communication
Communication is performed in ASCII code. (excluding interrupt output)
(1) Control codes
Symbol
STX
ETX
EOT
ENQ
NAK
ACK
LF
CL
CR
(2) Command
Specifies the contents to access from the host to GOT.
The command is converted to a 2-digit ASCII code (Hex) and transmitted from the upper digit.
For details of commands that can be used, refer to the following.
Section 19.5.2 List of commands
(3) Address
Specifies the head No. of the device data to be read/written.
The address notated in decimal is converted to a 4-digit ASCII code (Hex) and transmitted from the
upper digit.
For details of the device ranges that can be accessed, refer to the following.
Section 19.4 Device Data Area
(4) Number of points
Specifies the number of device data to be read/written. (Setting range: 1 to 64)
The number of points notated in decimal is converted to a 2-digit ASCII code (Hex) and transmitted
from the upper digit.
(5) 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.
Data notated in decimal is converted to a 2-digit ASCII code (Hex) and transmitted from the upper
digit.
(5)Read clock data (TR) command
(6)Set clock data (TS) command
ASCII code
02 Start of Text (start marker of message frame)
H
03 End of Text (end marker of message frame)
H
04 End of Transmission
H
05 Enquiry (start of enquiry)
H
15 Negative ACK (error response)
H
06 Acknowledge (write completion response)
H
0A Line Feed
H
0C Clear
H
0D Carriage Return
H
19.5.3 Formats 1, 2 (GOT-A900 series microcomputer connection)
Description
19.5 Message Formats
17
18
19
20
21
22
23
24
19 - 29