Batch Read In Word Units (Command: 01) - Mitsubishi MELSEC-F User Manual

9 WHEN COMMUNICATING DATA USING THE MC PROTOCOL

9.3.5 Batch read in word units (command: 01)

[Control procedure]
(Data name)
External device
side
(Example)
01
H
(Data name)
Y100 (Octadecimal) = 40 (Hexadecimal)
PLC side
(Example)
1
Y107
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The examples shown in this section explain the command/response format when batch
reading the word device memory and the bit device memory (16 point units).
For more details on the order and contents of data items of the areas marked by " "
shown in the control procedure diagram, see Section 9.1.2.
Reading the on/off status of Y100 to 137 (32 points) of the PLC on which the Ethernet
module is loaded.
(1) Communication in binary code
Head device
L H L - - - - H
FF 0A 00 40 00 00 00 20 59
H H H H H H H H
32/16 = 2 points
0 0 1 1 1 0 1 1 0
to
Y100 Y117
02 00
H H H
Data for the
number of designed
device points
Characters for the
number of device
L
81 00 9D 82
H H H
0 0 0 0 1 0 0 0 1
to
Y110 Y127
points
H L H
3E 55
H H H
1 1 1 1 0 0 1 0
to
Y120 Y137
MELSEC-F
1 0 1 0 1
to
Y130
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