Random Write Labels (Command: 141B) - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Random write labels (command: 141B)

Write value in one point units by specifying multiple labels.
Message format
The following shows the message format of the request data and response data of the command.
■Request data
Command Subcommand
■Response data
There is no response data for this command.
Data specified by request data
■Command
ASCII code
1 4 1 B
31 34 31 42
H H H H
■Subcommand
ASCII code
0 0 0 0
30 30 30 30
H H H H
■Label points
Specify the number of label points to be written. (Page 131 Points)
■Abbreviation specification
Specify the label name length and label name to be abbreviated. (Page 125 Labels)
When do not abbreviate, specify '0'.
ASCII code
0 0 0 0
30 30 30 30
H H H H
■Label specification
Specify the label name and write data for the specified number of label points.
Label name length
Specify the following items for each label.
• Label name length, label name: Specify the label name and label length of a global label. (Page 125 Labels)
• Write data length: Specify he read data size in byte unit. (Page 133 Data length, unit specification)
• Write data: Store the values of labels to be written. (Page 135 Read data, write data)
9 LABEL ACCESS
150
9.3 Random Read and Write
Label points
(n points)
Binary code
1B
H
Binary code
00
H
Binary code
00
H
Label name Write data length
Label specification (1 point)
Label
Abbreviation
specification
specification
(1st point)
14
H
00
H
00
H
Write data
Label specification
(nth point)