Mitsubishi Melsec-A AJ65SBT User Manual

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MELSEC-
A
6 TROUBLESHOOTING
Complete
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Is the "L RUN"
LED on?
Is the "SD" LED
on (flickering)?
YES
NO
Is the "SD" LED
on (flickering)?
Is the
transmission speed
setting correct?
The corresponding
module failure
Set the transmission speed
correctly.
Power on again/press the
reset switch.
Wire the communication
cable correctly.
The corresponding module
failure (Transmission
speed setting switch)
Is the
station number switch correctly
set (not overlapping with
other stations)?
The corresponding module
failure (Station number
switch)
Set the station
number
correctly.
Power on/press the reset
switch.
Are the
station number switches set
correctly (not overlapping with
other stations)?
Set the station
number
correctly.
The corresponding module
failure (Station number
switch)
Power on/press the reset
switch.
YES
NO
YES
NO
NO
YES
YES
NO
NO
YES
NO
YES
1 : Check for a short, reversed connection, wire breakage, terminating resistor, FG
connection, overall distance and station-to-station distance.
Is the
communication cable
wired correctly?
1

Mitsubishi Melsec-A AJ65SBT Specifications

General

Brand	Mitsubishi
Model	Melsec-A AJ65SBT
Category	Control Unit
Language	English