Mitsubishi FX3U-232-BD User Manual page 251

FX Series PLC User's Manual - Data Communication Edition
Computer Link
7. Commands
This chapter explains specification methods and specification examples of commands in dedicated protocols
used in computer link communication type.
For control procedures in dedicated protocols, refer to "6. Control Procedures and Setting Methods".
The table below shows a reference section for each command.
Command
BR Reads bit devices in 1-point units.
Reads bit devices in 16-point units, or word devices
WR
in 1-point units.
Reads bit devices in 16-point units, or word devices
QR
in 1-point units.
BW Writes bit devices in 1-point units.
Writes bit devices in 16-point units, or word devices
WW
in 1-point units.
Writes bit devices in 16-point units, or word devices
QW
in 1-point units.
Specifies bit devices arbitrarily in 1-point units, and
BT sets or resets them (forcibly sets them to ON or
OFF).
Specifies bit devices arbitrarily in 16-point units, and
sets or resets them (forcibly sets them to ON or
WT
OFF). Or specifies word devices arbitrarily in 1-point
units, and writes data to them.
Specifies bit devices arbitrarily in 16-point units, and
sets or resets them (forcibly sets them to ON or
QT
OFF). Or specifies word devices arbitrarily in 1-point
units, and writes data to them.
RR Sets a PLC to RUN mode in remote control.
RS Sets a PLC to STOP mode in remote control.
PC Reads the PLC model name code.
Turns the global function ON or OFF in all linked
GW
PLCs.
Offers the on-demand function (by which a PLC
— gives a sending request), and does not offer any
command.
Returns received characters back to the computer
TT
as they are.
Contents of processing
6.6 Transfer Data in Character Area
Applicable PLC
FX , FX (FX), FX , FX
3U 2 2C 1S
FX FX , FX , FX , FX
3UC 2N 1N 2NC
—
—
—
7 Commands
A
B
Reference
, FX ,
0N C
section
1NC
7.1
7.2
7.3
D
7.4
7.5
7.6
E
7.7
7.8
F
7.9
7.10
G
7.11
7.12
7.13
H
7.14
I
Apx.
D-49