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7.2.2 Procedure for Fault of Data Link
In the case of LED "ERR." of master unit blinks or, the system cannot transmit correct data in spite of data
link, take proper procedure. Refer to the following trouble shooting.
N
It has compatibility
parameter setting and implementation
system construction
or not
Correction of parameter setting or
implementation system construction
Y
Master station
N
link register SW0080...SW0083
other station data link)
(
is ON or not
Fault of master unit
Y
Master station
N
link register SW0098...SW009B
(duplicated station number)
is ON or not
Check master side
Y
Check SW0098...SW009B
Check SW0080..SW0083
that indicates ON
that indicates ON
Check slave side
N
Station number
Power is supplied or not
N
switch is set correctly
(Station number is defective
Supply power
Y
accordance or not)*2
Set station no.
correctly
Y
Supply power again
ON reset switch
Fault of unit
Unit has "POWER"
N
LED or not
Y
N
"POWER" LED turns
ON or not
Power
Y
N
supply is in the range of
specification or not.
Adjust power supply in
the range of specification
Y
Fault of unit
N
"RD" LED turns
on or not
Y
N
Communication cable
has done connect wiring
*1
Correct wiring of
Y
Communication cable
Fault of unit
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Summary of Contents for BIS C-489-1 KBT02 Series
Page 7: ... 4 2 3 Dimension ...
