Test In Bit Units (Random Write) (Command: 04) - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Test in bit units (random write) (command: 04)

Specify the devices and device numbers of bit devices (X, Y, M, etc.) in 1-point units randomly, and set/reset them.
Message format
The following shows the message format of the request data and response data of the command.
■Request data
There is no request data for this command.
Number of device
Fixed value
points
(n points)
■Response data
There is no response data for this command.
Data specified by request data
■Number of device points
Specify the number of points of the bit device to be set/reset. (Page 402 Number of device points)
■Fixed value
Fixed to '0'.
ASCII code
0 0
30 30
H H
■Specified device
Specify the bit devices to be set/reset. (Page 397 Device codes and device numbers)
■ON/OFF specification
Specify set/reset.
Processing
Reset
Set
18 COMMUNICATING USING 1E FRAMES
410
18.4 Read and Write Device Memory
ON/OFF
Specified device
specification
(first point)
(first point)
Binary code
00
H
ASCII code
0 0
30 30
H H
0 1
30 31
H H
ON/OFF
Specified device
specification
(nth point)
(nth point)
Binary code
00
H
01
H