Mitsubishi FX2N-16CCL-M, User Manual

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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).