Dedicated Instructions - Mitsubishi Electric QJ71DN91 User Manual

Melsec q series, devicenet master-slave module
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9 DEDICATED INSTRUCTIONS

9 DEDICATED INSTRUCTIONS
Dedicated instructions enable easy programming to use the functions of an intelligent
function module.
This chapter explains dedicated instructions available for the QJ71DN91.
(1) List of dedicated instructions
DNTMRD
DNTMWR
DNTSRD
DNTSWR
(2) Available devices
*1: The available devices are described in the Constant rows in each section.
9 - 1
Dedicated instructions available for the QJ71DN91 are shown below.
Dedicated instruction
This instruction ensures data consistency when the
CPU module reads data from the master function
receive data area of the specified module.
This instruction ensures data consistency when the
CPU module writes data to the master function
transmit data area of the specified module.
This instruction ensures data consistency when the
CPU module reads data from the slave function
receive data area of the specified module.
This instruction ensures data consistency when the
CPU module writes data to the slave function
transmit data area of the specified module.
Devices available for the dedicated instructions are listed below.
Internal device
Bit
Word
T, ST, C, D ,W
Function overview
File register
R, ZR
MELSEC-Q
Reference section
9.2
9.3
9.4
9.5
Constant
*1
K, H, $
9
9 - 1

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