Mitsubishi Electric GOT2000 Series Connection Manual page 130

■2. Details of data items in message format
(1) Command
Specifies the contents to access from the host to 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.
➠
(2) Station No.
Station No. is used to identify the GOT with which the host communicates. (Setting range: 0 to 1FH)
The address notated in hexadecimal 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 message of command whose station No. does not match is ignored.)
For setting method of "Communication Detail Settings", refer to the following.
➠
(3) Address
Specifies the head No. of the device data to be read/written.
The address notated in hexadecimal is converted to a 4-digit ASCII code (Hex) and transmitted from the upper digit.
For details of the device range that can be accessed, refer to the following.
➠
(4) Number of points
Specifies the number of device data to be read/written. (Setting range: 1 to 40H)
The address notated in hexadecimal is converted to a 4-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.
The address notated in decimal is converted to a 2-digit ASCII code (Hex) and transmitted from the upper digit.
➠
➠
(6) Error code
This is the response message at faulty communication appended with error contents.
The address notated in hexadecimal is converted to a 2-digit ASCII code (Hex) and transmitted from the upper digit.
For details of error codes generated in formats 12 and 13 (Digital Electronics Corporation's memory link method
(extended mode)), refer to the following:
➠ ■4.
2 - 60
2.5 Message Formats
POINT POINT POINT
Data code during communication
Communication is performed in ASCII code.
2.5.2 List of commands
2.6.2 Communication detail settings
2.4 Device Data Area
■ Message format (1) Read clock data (N) command
■ Message format (2) Set clock data (M) command
Error code list
POINT POINT POINT
When connecting a microcomputer, etc. that uses the protocol of the Digital Electronics
Corporation's memory link method with the GOT
When connecting a microcomputer, etc. that uses the protocol of the Digital Electronics
Corporation's memory link method with the GOT, correct the commands to be used and the
device ranges to match the specifications of the GOT.