Mitsubishi Electric MELSEC FX2N-64CL-M, User Manual

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FX2N-64CL-M CC-Link/LT Master Block Model Assignment of Buffer Memory 10
10-8
10.2.11 Detailed error information [BFM #29 (1Dh)]
Each type of error is assigned to a bit of the buffer memory [BFM #29 (1Dh)]. The status is
indicated by the 0 (OFF)/1 (ON) status of each bit.
Bit Function Description
Error flag restoration
operation
b0
Link error in
some stations
Turns ON when link error has occurred in
some stations. [Turns ON when any bit in
BFM #4 (4h) to 7 (7h) have turned ON.]
For the station No. in which error has
occurred, refer to the link error station
information [BFM #4 (4h) to 7 (7h)].
When the cause of the error is
eliminated, the error flag is
automatically restored.
b1
Link error in all
stations
Turns ON when data link error has
occurred in all stations.
b2
Remote I/O
error
Turns ON when remote I/O error has
occurred. [Turns ON when any bit in BFM
#8 (8h) to 11 (Bh) have turned ON.]
For the station No., refer to the remote I/O
error information [BFM #8 (8h) to 11 (Bh)].
For type of error, refer to the instruction
manual of each remote station.
b3
Out-of-control-
range station
error
Turns ON when a remote station not
registered in the detailed remote station
information [BFM #32 (20h) to #95 (5Fh)]
is connected to the network.
When the station No. of the
connected remote station is
smaller than the final station
No., the error flag is
automatically restored when
the cause of the error is
eliminated.
When the station No. of the
connected remote station is
larger than the final station
No., the error flag is restored
when the cause of the error is
eliminated and is followed by a
power reset.
b4
Transmission
speed setting
error
Turns ON when the transmission speed
setting DIP switch is set to a incompatible
position.
When the cause of the error is
eliminated, and power is reset,
the error flag is automatically
restored.
b5
Communication
power down
Turns ON at communication power down.
When the cause of the error is
eliminated, the error flag is
automatically restored.
b6
(Prohibited to
use)
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