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About the Generic Terms and Abbreviations
Unless otherwise specified, this manual uses the following generic terms
and abbreviations to explain the QJ71MB91 MODBUS interface module.
General term/Abbreviation Description
QJ71MB91
Abbreviation for the QJ71MB91 MODBUS interface module.
GX Developer
Generic product name for SWnD5C-GPPW-E, SWnD5C-GPPW-EA, SWnD5C-GPPW-EV,
and SWnD5C-GPPW-EVA. ("n" means version 4 or later.)
"-A" and "-V" mean "volume license product" and "version-upgrade product" respectively.
MODBUS Protocol Generic term for the protocol designed to use MODBUS protocol messages.
FC Abbreviation for the function code.
SC Abbreviation for the sub code.
Programmable controller
CPU
Generic term for the Q00JCPU, Q00CPU, Q01CPU, Q02CPU, Q02HCPU,
Q06HCPU, Q12HCPU, Q25HCPU, Q02PHCPU, Q06PHCPU, Q12PHCPU, Q25PHCPU,
Q12PRHCPU, Q25PRHCPU, Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU, Q03UDCPU,
Q04UDHCPU, Q06UDHCPU, Q10UDHCPU, Q13UDHCPU, Q20UDHCPU, Q26UDHCPU,
Q03UDECPU, Q04UDEHCPU, Q06UDEHCPU, Q10UDEHCPU, Q13UDEHCPU,
Q20UDEHCPU and Q26UDEHCPU
Master The side from which a request is sent to execute a function.
Slave
The side where the execution request from the master is processed and its execution
result is sent.
Master function
The function that allows communication with the MODBUS compatible slave device as the
master of MODBUS .
Slave function
The function that allows communication with the MODBUS compatible master device as
the slave of MODBUS .
Request message
The message used to give a function execution request to the slave In the MODBUS
protocol, a function execution request is given from the master to the slave.
A function execution request cannot be given from the slave to the master.
Response message The message with which the slave returns a function execution result to the master.
Target device
Abbreviation of the connected communication targets (devices corresponding to personal
computers, other QJ71MB91 MODBUS interface modules, MODBUS protocols) for data
communication.
Personal computer Abbreviation for DOS/V personal computers of IBM PC/AT and compatible.
MELSECNET/H Abbreviation of the MELSECNET/H network system.
MBRW Abbreviation for Z.MBRW or ZP.MBRW.
MBREQ Abbreviation for Z.MBREQ or ZP.MBREQ.
UINI Abbreviation for ZP.UINI.
Windows Vista
Generic term for the following:
Microsoft Windows
Vista Home Basic Operating System,
Microsoft Windows
Vista Home Premium Operating System,
Microsoft Windows
Vista Business Operating System,
Microsoft Windows
Vista Ultimate Operating System,
Microsoft Windows
Vista Enterprise Operating System
Windows XP
Generic term for the following:
Microsoft Windows XP Professional Operating System,
Microsoft Windows XP Home Edition Operating System
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