Omron NX701-1620

5 Other Functions
5-3
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
5
5-1 Examples of Using Functions
• Data evacuation to
user-defined variables
in the user program
4 When a server failure has
occurred for a long time
Example:
• Ethernet network
disconnection or noise
• Power loss of the
network equipment or the
server
• Stop of the database in
the server
• Hardware failure of the
server
Possibility of missing
data stored in the
relational database
• Implement the
countermeasures
shown in above No. 2
and 3.
• Use an uninterruptible
power supply for the
server. If the power
supply using the
uninterruptible power
supply can not be
maintained, shut down
the DB Connection
Service.
DB
Connection
Service
shutdown
function
Refer to 5-3 DB
Connection Service
Shutdown Function