Download FX2N-16CCL-M CC-Link SYSTEM MASTER BLOCK USER`S

FX2N-16CCL-M CC-Link System Master Block
5.10
Functions 5
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
PLC
Master station
TO
M15 ~ M0
M35 ~ M20
FROM
5E0H
Link special relay (SB)
SB000F ~ SB0000
5E4H
SB004F ~ SB0040
2) Program example
M8000
FROM
K0
K1
Reads the status of SB0040
to SB004F.
SET
M2
Turns ON M2 (SB0002) (data
link stop).
RST
M2
Turns OFF M2 (SB0002) (data
link stop).
SET
M0
Turns ON M0 (SB0000) (data
link restart).
RST
M0
Turns OFF M0 (SB0000) (data
link restart).
K4M0
K1
Writes to SB0000 to SB000F.
H05E4 K4M20
RUN monitor
Stop command
Data link stop
M25(SB0045)
Restart
command
Data link restart
M21(SB0041)
M8000
TO
K0
H05E0
RUN monitor
Point
When you have stopped the data link using SB0002, make sure to start up the data
link using SB0000.
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