Table of Contents
10
DEDICATED INSTRUCTIONS
10.3 Z(P).MBREQ
Internal device
Set Data
(System, user)
Bit
(S1)
(S2)
(D1)
(D2)
[Instruction symbol]
Z.MBREQ
ZP.MBREQ
Set data
Set data
Head I/O number of module
"Un"
(00
(S1)
Head number of device where control data are stored
(S2)
Request message storing head device
(D1)
Response message storing head device
Device turned ON one scan on completion of the instruction
(D2)
(D2)+1 also turns ON for error completion.
10 - 11
With this instruction, a request message can be sent to the slave in any given PDU
(protocol data unit) format.
Link direct device
File register
Word
[Execution condition]
Command
Command
*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.
to FE
: upper 2 digits of the I/O number in 3-digit notation)
H
H
*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.
The local device and program-based file register are not available as the devices used
for set data.
REMARK
Refer to Section 4.2 for details of the PDU (protocol data unit).
Usable Devices
Intelligent
J \
function module
device
Bit
Word
U \G
"Un"
Z.MBREQ
ZP.MBREQ
"Un"
Setting
Index register
Zn
K, H
(S1)
(S2)
(D1)
*1
(S1)
(S2)
(D1)
*1
Setting Side
User
User, system
User
System
System
MELSEC-Q
Constant
Others
$
(D2)
(D2)
*2
Data Type
BIN 16 bits
Bit
10 - 11
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