Omron NX701-1620

Appendix A
A-5
A
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
Common Variables Used in NJ/NX-series Instructions
Input variable
Meaning
Data type
Description
Execute Execute BOOL The instruction is executed when
Execute changes to TRUE.
Output variable
Meaning
Data type
Description
Done Done BOOL Shows whether the instruction is
normally completed.
TRUE: Normally completed
FALSE:  Terminated due to an error

Being executed

Execution conditions not
satisfied
Busy Executing BOOL Shows whether the instruction is being
executed.
TRUE: Being executed
FALSE: Not being executed
Error Error BOOL Shows whether the instruction is
terminated due to an error.
TRUE: Terminated due to an error
FALSE:  Normally ended

Being executed

Execution conditions not
satisfied
ErrorID Error Code WORD Contains the error code when the
instruction is terminated due to an
error.
WORD#16#0 indicates normal
execution.
System-defined Variables Related to DB Connection Service
Name
Meaning
Data type
Description
_DBC_Status DB Connection Service
Status
_sDBC_ STATUS System-defined variable that shows the
status of the DB Connection Service.
Refer to 3-5-4 System-defined Variables for details of the system-defined variables.
A-1 DB Connection Instructions and Variables
A-1-2 Variables Used in the DB Connection Instructions