Batch Read In Word Units (Command: 01) - Mitsubishi Electric FX3U-ENET-ADP User Manual

FX -ENET-ADP User's Manual
3U
7.5.5

Batch read in word units (command: 01)

The examples shown in this section explain the command/response format when batch reading word device
memory or bit device memory (16 point units).
For more details on the order and content of data items of the areas marked by " * " shown in the control
procedure diagram, refer to Subsection 7.3.2.
[Control procedure]
Reading the on/off status of Y100 to Y137 (32 points) of the PLC on which the Ethernet adapter is loaded.
1) Communication in binary code
(Data name)
External device
*
side
(Example)
01
(Data name)
PLC side
(Example)
72
Head device
L H L -
FF 0A 00 40 00 00
H H H H H H
Y100 (Octadecimal) = 40 (Hexadecimal)
32/16 = 2 points
1 0 0 1 1 1 0
to
Y107 Y100
- - - H
00 20 59 02 00
H H H H H H
1 1 0 0 0 0 0 1 0 0
to
Y117 Y110 Y127
7 Communication Using MC Protocol
7.5 Device Memory Read/Write
Data for the
number of designed
device points
Characters for the
*
number of device
points
L H
81 00 9D 82
H H H H
0 1 1 1 1 1 0 0 1 0
to
Y120 Y137
L H
3E 55
H H
1 0 1 0 1
to
Y130