7 Troubleshooting
7-11
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
7
Event code Event name Meaning Assumed cause
54013005hex DB
Connection
Failed
Failed to
connect to the
DB.
A server does not exist for the
specified IP address or the
specified host name.
The power supply to the server
is OFF.
The DB is stopped in the
server.
The Ethernet cable connector
is disconnected.
The Ethernet cable is broken.
S
7-26
54013006hex DB
Connection
Already
A same-name
DB Connection
is already
The relevant instruction was
executed when a same-name
DB Connection was already
S
7-27
54013007hex Too Many DB
Connections
The number of
DB Connections
that can be
established at
the same time is
The relevant instruction was
executed when the maximum
number of DB Connections that
can be established at the same
time were already established.
S
7-27
54013008hex Invalid DB
Connection
The specified
DB Connection
is not correct, or
the DB
Connection is
already closed.
The DB Connection specified
in the DBConnection input
variable of the relevant
instruction is wrong.
The DB Connection specified
in the DBConnection input
variable of the relevant
S
7-28
54013009hex Invalid DB
Map Variable
The specified
DB Map Variable
is not correct.
A structure variable that
contains a derivative data type
of member was specified as a
DB Map Variable.
A non-structure variable was
specified as a DB Map
Variable.
A structure array variable was
specified as a DB Map Variable
S
7-29
5401300Ahex Unregistered
DB Map
Variable
The specified
DB Map Variable
has not been
registered.
The DB Map Variable has not
been created by a
DB_CreateMapping instruction.
A variable that is not registered
as a DB Map Variable was
specified in MapVar.
The DB Connection specified
in the relevant instruction is
different from the one specified
at the execution of
DB_CreateMapping instruction.
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