Random Write In Word Units (Test) (Command: 1402) - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Random write in word units (test) (command: 1402)

Write values to devices in word units and double word units. It can be specified with discontinuous device numbers.
When accessing any of the following devices, use the device extension specification (subcommand: 008).
• Link direct device
• Module access device
• CPU buffer memory access device
For the message format for device extension specification, refer to the following section.
Page 438 Read/Write by Device Extension Specification
Message format
The following shows the message format of the request data and response data of the command.
■Request data
Command Subcommand
Device (first point)
Device (first point)
■Response data
There is no response data for this command.
Data specified by request data
■Command
Frame
4C/3C/4E/3E frame
2C frame
■Subcommand
Type
For MELSEC-Q/L series
For MELSEC iQ-R series
For 2C frame, the specification is not required. Functions and specification methods are equivalent to the subcommands for
MELSEC-Q/L series.
8 DEVICE ACCESS
106
8.3 Random Read and Write
Number of word access
points (m points)
Write data (first point) Device (mth point)
Device for word access
Write data (first point) Device (nth point)
Device for double word access
ASCII code
1 4
31 34
H
7
37
H
ASCII code
0 0
30 30
H
0 0
30 30
H
Number of double word
access points (n points)
Write data (nth point)
Write data (nth point)
0 2
30 32
H H H
0 0
30 30
H H H
0 2
30 32
H H H
Binary code
02 14
H H

Binary code
00 00
H H
02 00
H H