Mitsubishi GOT1000 Series Connection Manual page 790

2 Details of data items in message format
(1) Control codes
Symbol
STX
ETX
EOT
ENQ
NAK
ACK
LF
CL
CR
(2) Command
Specifies the contents to access from the host to the GOT.
The command is converted to a 1-digit ASCII code (Hex) and transmitted.
For details of the commands that can be used, refer to the following.
(3) Station No.
Station No. is used to identify the GOT that the host is to communicate with. (Setting range: 0 to 31)
Data notated in decimal is converted to a 2-digit ASCII code (Hex) and transmitted from the upper
digit.
The GOT processes only commands whose station No. matches the "Host Address (0 to 31)" set at
"Communication Detail Settings". (The messages of commands whose station No. do not match
are ignored.)
For details of setting "Communication Detail Settings", refer to the following.
(4) Address
Specifies the head No. of the device data to be read/written.
Data notated in Hex 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.
(5) Bit pattern
Specifies the pattern of the bits to change.
Data notated in Hex is converted to a 2-digit ASCII code (Hex) and transmitted from the upper digit.
19 - 60
19.5 Message Formats
19.5.7 Formats 14, 15 (GOT-F900 series microcomputer connection)
Section 19.6.3 Setting communication interface (Communication settings)
Data code during communication
Communication is performed in ASCII code. (excluding interrupt output)
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
Section 19.5.2 List of commands
Section 19.6.3 Setting communication interface (Communication settings)
Section 19.4 Device Data Area
(3) Multi-point write in bit units (3) command (w/out station No.), multi-point write in bit
units (D) command (w/ station No.)
Description