10 - 2 10 - 2
MELSEC-Q
10 DEDICATED INSTRUCTIONS
10.2 Z(P).MBRW
With this instruction, the MODBUS
R
device data are read from and written to the
slave.
Usable Devices
Internal device
(System, user)
Link direct device
J \
Constant
Set Data
Bit Word
File register
Bit Word
Intelligent
function module
device
U \G
Index register
Zn
K, H $
Others
(S1)
(D1)
(S2)
(D2)
ZP.MBRW
Z.MBRW
Z.MBRW
"Un"
(D1)
(D2)
(S2)
(S1)
ZP.MBRW
"Un"
(D1)
(D2)
(S2)
(S1)
[Instruction symbol]
[Execution condition]
Command
Command
*1
*1
*1: If the originating station is a Basic model QCPU (function version B or later), or
Universal model QCPU, "" (double quotation) of the first argument can be
omitted.
Set data
Set data
Setting
Setting Side
*2
Data Type
"Un"
Head I/O number of module
(00
H
to FE
H
: Upper 2 digits of the I/O number in 3-digit notation)
User
(S1)
Head number of device where control data are stored
User, system
(D1)
*3
Read data storing device
System
(S2)
*3
Write data storing device
User
BIN 16 bits
(D2)
Device turned ON one scan on completion of the instruction
(D2)+1 also turns ON for error completion.
System Bit
*2: The setting side is as described below.
• User
: Data are set by the user before dedicated instruction execution.
• System : The programmable controller CPU stores the result of dedicated
instruction execution.
*3: Specify a dummy device if "00
H
: No specification" is selected in the Type
specification of the target MODBUS
R
device ((S1)+8).
The local device and program-based file register are not available as the devices used
for set data.
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