Mitsubishi FX2N-16CCL-M, User Manual

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FX2N-16CCL-M CC-Link System Master Block Introduction 1
1-2
1.2 General Names and Abbreviations
Unless otherwise specified, this manual uses the general names and abbreviations shown in
the table below to describe the CC-Link system master block FX
2N
-16CCL-M.
Table 1.2:
General name/
abbreviation
Description
FX
2N
-16CCL-M Abbreviation of the CC-Link system master block FX
2N
-16CCL-M.
Cyclic transmission
Transmission method to periodically communicate the contents of remote
I/Os and remote registers.
Master station
Station which controls the data link system.
One master station is required in one system.
Local station
Station equipped with CPU which can communicate with the master station
and other local stations in the CC-Link system of the MELSEC-A/QnA/Q
Series.
Remote I/O station
Remote station which deals with bit information only (to execute I/Os with
external equipment) (such as AJ65BTB1-16D and AJ65SBTB1-16D).
Remote device station
Remote station which deals with bit information and word information
(to execute I/Os with external equipment and exchange analog data)
(such as FX
2N
-32CCL, AJ65BT-64AD, AJ65BT-64DAV and AJ65BT-64DAI).
Remote station
General name for remote I/O station and remote device station.
Controlled by the master station.
Intelligent device station
Station which can execute transient transmission (such as AJ65BT-R2) in the
CC-Link system of the MELSEC-A/QnA/Q Series.
Standby master station
Station for backup which takes over data link control when the master station
is disconnected due to abnormality in the PLC CPU, the power supply, etc. in
the CC-Link system of the MELSEC-A/QnA/Q Series.
Master block Abbreviation for FX
2N
-16CCL-M.
SB
Link special relay (for CC-Link).
1-bit information which indicates the operation status and the data link status
of the master/local station.
Represented in "SB" for convenience.
SW
Link special register (for CC-Link).
16-bit information which indicates the operation status and the data link
status of the master/local station.
Represented in "SW" for convenience.
RX
Remote input (for CC-Link)
1-bit information input from a remote station to the master station.
Represented in "RX" for convenience.
RY
Remote output (for CC-Link)
1-bit information output from the master station to a remote station.
Represented in "RY" for convenience.
RWw
Remote register (write area for CC-Link)
16-bit information output from the master station to a remote device station.
Represented in "RWw" for convenience.
RWr
Remote register (read area for CC-Link)
16-bit information input from a remote device station to the master station.
Represented in "RWr" for convenience.