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6. TROUBLESHOOTING
IMELSEC;4
6.2.5 Input fault
•
1
Partial refresh type
remote
110
Set the correct number in
accordance with Section
5.2.
NO
NO
YES Change the invalid re-
mote 110 station number.
of
Batch refresh
type remote 110
used?
Remote 110
station number
settin,"gv-~
Set the remote I/O
sta-
correct?
tion numbers within the
range
1
to
64.
Monitor the faulty station
using the monitor station
number setting switch.
2
LED displavs
of the master module
coincide
with
the LeO
displays of the remote
VO station?
YES
NO
Read the faulty station
detection code (addres-
ses
100
to
103).
Faulty station?
Corresponding remote 110
NO
station fault
•
Data link cable is faulty
or noise has affected the
faulty station. Check the
cables and examine the
installation environment
and ground method.
Consult the sales repre-
sentative with details.
I
NO
Correct the input data
read address.
Check
the
sequence
program which transfers
data
from
the
buffer
memory to the bit de-
vices and the sequence
program which uses in-
put data.
6-7
IS (NA)66164-A
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Table of Contents
Troubleshooting
