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

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

Write values to devices in bit units. It can be specified with discontinuous device number.
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
■Response data
There is no response data for this command.
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.
■Number of bit access points
Specify the number of device points to be written within the following range. (Page 72 Number of device points)
Access target
MELSEC iQ-R series module (subcommand: 0001)
MELSEC-Q/L series module (subcommand: 0001)
MELSEC iQ-R series module (subcommand: 0003, 008)
MELSEC-Q/L series module (subcommand: 0081)
MELSEC-QnA series module
Module on other station via MELSEC-QnA series network module
MELSEC-A series module
8 DEVICE ACCESS
110
8.3 Random Read and Write
Number of bit access Device
points (n points)
(first point)
ASCII code
1 4 0 2
31 34 30 32
H H H H
6
36
H
ASCII code
0 0 0 1
30 30 30 31
H H H H
0 0 0 3
30 30 30 33
H H H H
Set/reset Device
(first point) (nth point)
Binary code
02 14
H

Binary code
01 00
H
03 00
H
Range
1 to 188 points
1 to 94 points
1 to 20 points
Set/reset
(nth point)
H
H
H