Before Using This Product
WUME-SCHG1C-4
1-5
1-3 Glossary
Term
Meaning
System
terms
Transient transmission
A function in Data Link for communication with other stations using
peripheral devices, including reading or writing data from / to another
station by means of a read / write command in the program of the local
station.
Cyclic transmission
A function in Data Link for periodic data communication between stations
on the same network.
Memory map
This assigns functions of a communication unit to a link device. By ac-
cessing a link device that supports memory map, the master station can
use the functions of a communication unit.
Station number
This number is assigned to identify each network unit connected to a
network.
The same number cannot be assigned to more than one network unit in a
network.
RX[*]
Remote input
Information input from a slave station to the master station in units of
bits.
[*]: Indicates the bit number in hex.
RY[*]
Remote output
Information output from the master station to a slave station in units of
bits.
[*]: Indicates the bit number in hex.
RWw[*]
Remote register (output)
Information output from the master station to a slave station in units of
words (16 bits).
[*]: Indicates the word number in hex.
RWr[*]
Remote register (input)
Information input from a slave station to the master station in units of words
(16 bits).
[*]: Indicates the word number in hex.
Unit name
Master station
This station controls the overall network. The master station can com-
municate with all stations by cyclic transmission and transient transmis-
sion.
Slave station
A general name for stations other than the master station (local station,
remote I/O station, remote device station, intelligent device station).
Remote I/O station
Exchanges input / output signals in units of bits with the master station by
cyclic transmission.
Remote device station
Sends information in units of bits and information in units of words by
cyclic transmission. Returns a response to a transient transmission from
another station.
Intelligent device sta-
tion
Sends input / output signals in units of bits and input / output data in
units of words to the master station by cyclic transmission. Returns a re-
sponse to a transient transmission (request) from another station.
Local station
Communicates with the master station and other local stations by cyclic
transmission and transient transmission.
Controller - Master unit A controller equipped with power supply, external I/O, and analog cur-
rent output wires, and which can be used on a standalone basis.
Controller - Slave unit
A controller that is connected to a master unit.
CC-Link dedicated
cable
Cable certified by CC-Link Partner Association (shielded 3-conductor
twisted-pair cable).
End plates or commer-
cially available fittings
When the product is connected to a controller, the end plates secure
the units at both ends to prevent the connector from disconnecting and
causing a communication failure.
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