Mitsubishi Electric Q80BD-J61BT11N, User Manual

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MELSEC
16 TROUBLESHOOTING
(2) When the CC-Link Ver.2 board is used as a local board
Check the master station side
Check the Q80BD-J61BT11N/Q81BD-J61BT11 side
2)
YES
NO
YES
NO
YES
NO
1) 3)
YES
NO
YES
NO
YES
NO
YES
NO
The "ERR." LED of the master
station is flashing
Do the parameter
settings and installed system
configuration match
correctly?
Are the master
station link special registers
SW0080 to SW0083 (data link status
of other stations)
turned on?
Check the module for which
SW0098 to SW009B are on
Are the master
station link special registers
SW0098 to SW009B (duplicate
station number status)
turned on?
Are the station numbers
set correctly?
Correct the parameter
settings or installed
system configuration
Master station failure
Set the station
numbers correctly
Reset the
Q80BD-J61BT11N/Q81BD-J61BT11
Check the module for which
SW0098 to SW009B are on
Is the power on?
Is the "RD" LED lit?
Turn on the power
Is the
communication cable wired
correctly?
1
Correct the
communication cable
wiring
Q80BD-J61BT11N/Q81BD-J61BT11
failure
Q80BD-J61BT11N/Q81BD-J61BT11
failure
YES
Reset the master station
Doesn’t it work normally?
NO
1: Check for short circuits, reversed connections, disconnections, terminal resistors, FG
connections, overall distance, and distance between stations.