FX2N-16CCL-M CC-Link System Master Block
Functions 5
5-19
5.10
Data Link Stop/Restart
This function stops and restarts the data link in the host station.
When the data link is stopped in the master station, the data link is stopped in the entire
system.
1) The following link special relays are used in programs:
SB0000: Request for data link restart
SB0002: Request for data link stop
SB0041: Completion of data link restart
SB0045: Completion of data link stop
2) The figure below shows a program example to stop/restart the data link.
1) Relationship between the PLC and the master station
2) Program example
Point
When you have stopped the data link using SB0002, make sure to start up the data
link using SB0000.
PLC
Master station
M15 ~ M0
M35 ~ M20
SB000F ~ SB0000
SB004F ~ SB0040
5E0
H
5E4
H
TO
FROM
Link special relay (SB)
M8000
FROM
K0
H05E4
K4M20
K1
Reads the status of SB0040
to SB004F.
RUN monitor
Stop command
SET
M2
RST
M2
Turns ON M2 (SB0002) (data
link stop).
Turns ON M0 (SB0000) (data
link restart).
Turns OFF M2 (SB0002) (data
link stop).
M25(SB0045)
Restart
command
SET
M0
RST
M0
M21(SB0041)
M8000
TO
K0
H05E0
K4M0
K1
RUN monitor
Writes to SB0000 to SB000F.
Data link stop
Data link restart
Turns OFF M0 (SB0000) (data
link restart).
Содержание FX2N-16CCL-M
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