Batch Write (Bit Units) (Command: Bw, Jw) - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Programmable controller
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Batch write (bit units) (command: BW, JW)

Writes bit devices (X, Y, M, etc.) in batch.
Message format
The following shows the message format of the request data and response data of the command.
■Request data
ACPU common command
Command
Message wait
■Response data
There is no response data for this command.
Data specified by request data
■Command
ACPU common
B
42
H
■Message wait
Specify the delayed time of the response transmission. (Page 347 Message wait)
■Head device
Specify the head device. (Page 351 Device codes, device numbers)
■Number of device points
Convert the numerical value to 2-digit ASCII code (hexadecimal), and send it from the upper digits.
Specify the number of device points within the following range:
• 1  Number of device points  160
• Head device No. + Number of device points - 1  Maximum device No.
■Write data for the number of device points
Store the data to be written in batch. (Page 353 Read data, write data)
17 COMMUNICATING USING 1C FRAMES
358
17.4 Device Memory Read and Write
Number of
Head device
device points
AnA/AnUCPU common
W
57
H
Write data for the number of
device points
J
W
4A
57
H
H

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