12
TERMS
Unless otherwise specified, this manual uses the following terms.
Term
Description
Buffer memory
A memory in an intelligent function module, where data (such as setting values and monitoring values)
exchanged with a CPU module are stored
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 same network using link devices
(RX, RY, RWw, and RWr)
D/A converter module
A generic term for the main D/A converter module and extension D/A converter module
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
Extension A/D converter module
The abbreviation for the NZ2EX2B-60AD4 CC-Link IE Field Network extension analog-digital converter
module
Extension analog module
A generic term for the extension A/D converter module and extension D/A converter module
Extension D/A converter module
The abbreviation for the NZ2EX2BN-60DA4 CC-Link IE Field Network extension digital-analog converter
module
Extension I/O module
A generic term for extension modules where a digital signal can be input or output
Extension input module
A generic term for extension modules where digital signals can be input
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.
Extension output module
A generic term for extension modules where digital signals can be output
GX Works2
The product name of the software package for the MELSOFT programmable controllers
GX Works3
I/O module
Another name for the CC-Link IE Field Network remote I/O module
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 responds to a transient transmission request from another station and also issues a
transient transmission request to another station.
Link device
A device (RX, RY, RWr, or RWw) in a module on CC-Link IE Field Network
Link special register (SW)
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. The station is controlled by programs in the CPU module or other equivalent modules on the station.
Main A/D converter module
The abbreviation for the NZ2GF2BN-60AD4 CC-Link IE Field Network main analog-digital converter module
Main analog module
A generic term for the main A/D converter module and main D/A converter module
Main D/A converter module
The abbreviation for the NZ2GF2BN-60DA4 CC-Link IE Field Network main digital-analog converter module
Main module
A module with the CC-Link IE Field Network communication function, which can be used as a single remote
module. Extension modules can be connected to this 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
The generic term for the CC-Link IE Field Network master/local module
Network module
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
Relay station
A station that includes two or more network modules. Data are passed through this station to stations on other
networks
REMFR
The abbreviation for ZP.REMFR.
Remote buffer memory
Buffer memory in a remote 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
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