Test In Word Units (Random Write) (Command: 05) - Mitsubishi Electric FX3U-ENET-ADP User Manual

FX -ENET-ADP User's Manual
3U
7.5.7

Test in word units (random write) (command: 05)

The examples shown in this section explain the command/response format when writing data by designating
word device memories or bit device memories (16 point units) arbitrarily. These examples are not applicable
for writing the current values of C200 to C255 (32-bit devices).
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]
Specifying Y20 to Y37 to on/off, R26 to "1234H," and the current value of C18 to "50H" at the PLC on which
the Ethernet adapter is loaded.
1) Communication in binary code
(Data name)
External device
*
side
(Example)
05
H
(Data name)
PLC side
(Example)
80
Designated device
L H L - - -
FF 0A 00 03 00 80 00 00 00 20
H H H H H H H H H
Y20
0 0 1 0 1
Y27 to
Designated device
- H L H L - - - - H L
59 29 7B 1A 00 00 00 20 52
H H H H H H H H H
R26
0 0 1 0 1 1 1 1 0 1
Y20 Y37 to
7 Communication Using MC Protocol
7.5 Device Memory Read/Write
Designated device
H L - - - - H L
34 12 12 00 00 00 4E 43 50
H H H H H H H H H H
1234 Current value of CN18 50
H
1....ON
0....OFF
1
Y30
H
00
H
H
*
85 00
H H