Term Definition For Cc-Link - Mitsubishi MELESEC-ST User Manual

Term definition for CC-Link

Term
Cyclic transmission
Master station
Local station
Remote I/O station
Remote device station
Remote station
SB
SW
RX
RY
RWr
RWw
Remote net Ver. 1 mode
Remote net Ver. 2 mode Select this mode when creating a new system with extended cyclic setting.
I/O data
Br.n Bit input area
Bw.n Bit output area
Wr.n Word input area
Ww.n Word output area
Number of occupied I/O
points
A - 18
The following explains the meanings and definitions of the terms used in this manual
when using CC-Link.
A communication method by which remote I/O data and remote register data are transferred
periodically.
This station controls the entire data link system.
One master station is required for one system.
A station that has a programmable controller CPU and can communicate with the master station
and other local stations.
A remote station that can only use bit data. (Input from or output to external devices)
(AJ65BTB1-16D, AJ65SBTB1-16D or others)
A remote station that can use both bit and word data. (Input from or output to external devices,
analog data conversion) (AJ65BT-64AD, AJ65BT-64DAV, AJ65BT-64DAI or others)
Generic term for remote I/O stations and remote device stations.
Controlled by the master station.
Link special relay (for CC-Link).
Bit data that indicate the module operating status and data link status of the master/local station.
Link special relay (for CC-Link).
Data in units of 16 bits, which indicate the module operating status and data link status of
master/local station.
Remote input (for CC-Link).
Bit data that are input from remote stations to the master station.
Remote output (for CC-Link).
Bit data that are output from the master station to remote stations.
Remote register (Read area for CC-Link).
Data in units of 16 bits, which are input from remote device stations to the master stations.
Remote register (Write area for CC-Link).
Data in units of 16 bits, which are output from the master station to remote device stations.
Select this mode when extended cyclic setting is not needed or when the QJ61BT11 is replaced
with the QJ61BT11N.
Data transferred between the head module and the master station.
Bit input data of each module.
Input data are sent from the head module to the master station through remote input (RX).
Bit output data of each module.
Output data are received from the master station to the head module through remote output (RY).
Word (16-bit) input data of an intelligent function module.
Input data are sent from the head module to the master station through remote register (RWr).
Word (16-bit) output data of an intelligent function module.
Output data are received from the master station to the head module through remote register
(RWw).
The area, which is equivalent to the occupied I/O points, is occupied in Br Bit input area/Bw Bit
output area.
Definition
A - 18