Mitsubishi FX2N-32CCL, User Manual

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FX
2N
-32CCL CC-Link Interface Block Assignment of Buffer Memory (BFM) 5
5-14
5.5 Contents of errors
The table below shows the contents of errors indicated by LEDs provided in the FX
2N
-32CCL.
The causes of an error can be detected based on the contents of the error saved in the buffer memory dedi-
cated to read BFM #29 and the status of the LED. (
☞
5.2)
For errors related to the PC and the master unit, refer to the user’s manual (detailed manuals) of the PC and
the master unit.
L RUN L ERR Causes of error
Lit
l
Extinguished
¡
Data link is in the normal status.
Extinguished
¡
Extinguished
¡
The following causes are estimated.
For details, refer to the user’s manual (detailed manual) of the master unit.
• A cable is disconnected.
(L ERR LED is extinguished on units after the unit in which disconnection
has occurred.)
• A cable is short-circuited.
(L RUN LED is extinguished on all the units.)
• Link of the master station is stopped.
(L RUN LED is extinguished on all the units except the master station.)
• Power supplied to the FX
2N
-32CCL is turned off.
(ERR LED is extinguished on the master station and the local stations.)
• Same station No. is assigned to the FX
2N
-32CCL and an other station.
(L RUN LED is extinguished on the unit to which the same station No. is
assigned.)
• The transmission speed is incorrectly set.
• The FX
2N
-32CCL is not set to a parameter.
Extinguished
¡
Lit
l
The unit is started up while the station No. set switch is set to an unallowable
value.
Extinguished
¡
Flickers
«
Setting of the station No. set switch or the transmission speed set switch is
changed during data linking.