
10
TERMS
Unless otherwise specified, this manual uses the following terms.
Term Description
CC-Link IE Field Network A high-speed and large-capacity open field network that is based on Ethernet (1000BASE-T)
Cyclic transmission A function by which data are periodically exchanged among stations on the network using link devices
D/A converter module The abbreviation for the CC-Link IE Field Network digital-analog converter module (e-CON type)
Data link A generic term for cyclic transmission and transient transmission
Dedicated instruction An instruction that simplifies programming for using functions of intelligent function modules
Disconnection A process of stopping data link if a data link error occurs
Engineering tool Another name of the software package for the MELSEC programmable controllers
Extension module A remote module with no CC-Link IE Field Network communication function. This module cannot be used as a
single module. However, connecting the module to the main module will increase the number of I/O points per
station.
Intelligent device station A station that exchanges I/O signals (bit data) and I/O data (word data) with another station by cyclic
transmission. This station is capable of transient transmission. This station responds to a transient
transmission (request) from another station. This station also issues transient transmission (request) to other
stations.
Link device A device (RX, RY, RWr, or RWw) in a module on CC-Link IE Field Network
Link special register (SW) 16 bits (1 word) data that indicates the operating status and data link status of a module on CC-Link IE Field
Network
Link special relay (SB) Bit data that indicates the operating status and data link status of a module on CC-Link IE Field Network
Local station A station that performs cyclic transmission and transient transmission with the master station and other local
stations
Main module A module with the CC-Link IE Field Network communication function, which can be used as a single remote
module.
Master station A station that controls the entire network. This station can perform cyclic transmission and transient
transmission with all stations. Only one master station can be used in a network.
Master/local module A generic term for the CC-Link IE Field Network master/local module
REMFR The abbreviation for ZP.REMFR
Remote buffer memory Buffer memory in a remote device station and intelligent device station
Remote device station A station that exchanges I/O signals (bit data) and I/O data (word data) with another station by cyclic
transmission. This station responds to a transient transmission (request) from another station.
Remote I/O station A station that exchanges I/O signals (bit data) with the master station by cyclic transmission
Remote input (RX) Information output in units of bits from the slave station to a master station. (For some areas in a local station,
data are input in the opposite direction.)
User's manual for the master/local module used
Remote output (RY) Information output in units of bits from the master station to a slave station. (For some areas in a local station,
data are output in the opposite direction.)
User's manual for the master/local module used
Remote register (RWr) Information output in units of 16 bits (1 word) from the slave station to a master station. (For some areas in a
local station, data are input in the opposite direction.)
Remote register (RWw) Information output in units of 16 bits (1 word) from the master station to a slave station. (For some areas in a
local station, data are output in the opposite direction.)
REMTO The abbreviation for ZP.REMTO
Reserved station Stations without actual connection with network. Stations reserved for future use. These stations are included
in the total number of stations of the network.
Simple motion module Abbreviation for the QD77GF simple motion module and RD77G simple motion module
Slave station A generic term for local station, remote I/O station, remote device station, and intelligent device station
Transient transmission A function of communications with other stations, which is used when requested by a dedicated instruction or
engineering tool
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