Omron NX701-1620

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4 Basic Operations and Status Check

4-10

NJ/NX-series Database Connection CPU Units User’s Manual (W527)

Checking the Status with a System-defined Variable

You can check the operation status of the DB Connection Service with the _DBC_Status

system-defined variable.

Use this variable when checking the status of the DB Connection Service from the user program

or checking the shutdown of the DB Connection Service from an HMI.

_DBC_Status system-defined

variable

Status

Member

Meaning

Initializing

Running

(Operation

Mode)

Running

(Test

Mode)

Idle

Error

Shut

down

Run

Running flag

FALSE

TRUE

FALSE

Test

Test mode

FALSE

TRUE

FALSE

Idle

FALSE

TRUE

FALSE

Error

Error stop flag

FALSE

TRUE

FALSE

Shutdown

FALSE

TRUE

Main Page

Default Chapter2
1 Introduction to the DB Connection Service29
2 DB Connection Settings37
- Starting Sysmac Studio and Creating a New Project42
- DB Connection Settings45
  - DB Connection Service Settings45
  - DB Connection Settings48
3 Programming the DB Connection Function53
4 Basic Operations and Status Check81
5 Other Functions95
6 How to Use Operation Logs123
7 Troubleshooting151
- Overview of Errors152
  - How to Check for Errors153
  - Errors Related to the DB Connection Service155
- Troubleshooting157
  - Error Table157
  - Error Descriptions165
Appendix A DB Connection Instructions and Variables190
Appendix B277

Omron NX701-1620

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