Mitsubishi FX2N-16CCL-M, User Manual

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FX2N-16CCL-M CC-Link System Master Block Functions 5
5-14
5.5 Reserved Station Function
This function sets remote stations to be connected in the future (which are not currently
connected) as reserved ones so that such stations are not handled as data link faulty stations.
1) Setting method
Specify reserved stations using the parameter BFM#10
H
.
Set to ON the bits corresponding to the station numbers of the stations to be reserved.
However, for a remote station module occupying two or more stations, set to ON only the bit
corresponding to the station number set by the station number setting switch in the module.
The table below shows the buffer memory configuration. (Numbers 1 to 15 indicate station
numbers)
2) Setting example
a) System configuration example
When one remote device station and one remote I/O station are to be connected in the
future to the system in which two remote I/O stations and one remote device station are
connected
b) Buffer memory setting example
Set to ON the 3rd bit corresponding to the station No. 4 and the 8th bit corresponding to
the station No. 9. (Set "108
H
" to the BFM#10
H
.)
Point
If a connected remote station is set as a reserved one, data link is disabled in the
remote station.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
BFM# 10
H
⎯
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
BFM# 10
H
0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0
0 1 0 8
Master
station
Station No. 1
Remote I/O
station (occupies
1 station)
Station No. 3
Remote
device station
(occupies 4
stations)
Station No. 4
Remote I/O
station (occupies
1 station)
Station No. 8
Station No. 9
Modules to be connected in the future
Remote I/O
station (occupies
1 station)
Remote
device station
(occupies 2
stations)