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MELSEC-Q
8 TROUBLESHOOTING
C
No
Value of SW0047
Value 3: No host send area
Value 4: Abnormal parameters detected
Value 5: Parameters not received
<Corrective action>
Check the contents of
the common parameters
and station inherent
parameters.
Value 0:
The host
transmitting
normally
<Corrective action>
Check the contents of each
parameter that has been set
in the refresh parameters
and remote I/O station that
have been set by the CPU
of the remote master station.
Yes
Normal communication
Is the
send and receive
data within the system
specifications?
: If SW0047=3, consider the following as a possible cause.
Only the station number has been set in the common parameters and there is no link device assignment.
Is the send/
receive data according
to system
specifications?
No
<Corrective action>
Check the contents of each
parameter that has been set
in the refresh parameters
and remote I/O station that
have been set by the CPU
of the remote master station.
Yes