Terms - Mitsubishi Electric MELSEC L Series User Manual

Unless otherwise specified, this manual uses the following terms.
Buffer memory
CC-Link
CC-Link IE Field Network
Cyclic transmission
Data link
Dedicated instruction
Device
Disconnection
GX Works2
Head module
Intelligent device station
Intelligent function module
Link dedicated instruction
Link device
Link special register (SW)
Link special relay (SB)
Local station
Master station
Master/local module
Network module
Parameter memory
Programming tool
RAS
Relay station
Remote device station
Remote I/O station
Remote input (RX)
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Term
A memory in an intelligent function module, where data (such as setting values and monitoring values) are
stored
A field network system where data processing for control and information can be simultaneously performed
at high speed
A high-speed and large-capacity open field network that is based on Ethernet (1000BASE-T)
A function by which data are periodically exchanged among stations on the same network using link devices
(RX, RY, RWw, and RWr)
A generic term for cyclic transmission and transient transmission
An instruction that simplifies programming for using functions of intelligent function modules
A device (X, Y, W, or others) in a head module
A process of stopping data link if a data link error occurs
The product name of the software package for the MELSEC programmable controllers
The abbreviation for the LJ72GF15-T2 CC-Link IE Field Network head module
A station that exchanges I/O signals (bit data) and I/O data (word data) with the master station by cyclic
transmission. This station responds to a transient transmission request from another station and also issues
a transient transmission request to another station.
A module that has functions other than input and output, such as an A/D converter module and D/A
converter module
A dedicated instruction used for transient transmission with a programmable controller on another station.
This instruction allows a master/local module to communicate with programmable controllers on the same
network (CC-Link IE Field Network) and on other networks (Ethernet, CC-Link IE Controller Network, and
MELSECNET/H). In addition to CC-Link IE Field Network, Ethernet, CC-Link IE Controller Network, and
MELSECNET/H are also accessible.
A device (RX, RY, RWr, or RWw) in a module on CC-Link IE Field Network
Word data that indicates the operating status and data link status of a module on CC-Link IE Field Network
Bit data that indicates the operating status and data link status of a module on CC-Link IE Field Network
A station that performs cyclic transmission and transient transmission with the master station and other local
stations. The station is controlled by programs in the CPU module or other equivalent modules on the
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.
A generic term for the RJ71GF11-T2, QJ71GF11-T2, QS0J71GF11-T2, LJ71GF11-T2 CC-Link IE Field
Network master/local module and the following modules when the CC-Link IE Field Network function is
used:
• RJ71EN71
• RnENCPU
A generic term for the following modules:
• CC-Link IE Field Network module
• CC-Link IE Controller Network module
• Ethernet interface module
• MELSECNET/H module
• MELSECNET/10 module
A flash ROM in a head module, where the parameters of the head module are stored
Another term for GX Works2
The abbreviation for Reliability, Availability, and Serviceability. This term refers to usability of automated
equipment.
A station that includes two or more network modules. Data are passed through this station to stations on
other networks
A station that exchanges I/O signals (bit data) and I/O data (word data) with the master station by cyclic
transmission. This station responds to a transient transmission request from another station.
A station that exchanges I/O signals (bit data) with the master station by cyclic transmission
Bit data input from a slave station to the master station (For some areas in a local station, data are input in
the opposite direction.)
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TERMS

User's manual for the master/local module used
Description