The following table lists the system fields for the iFIX database and the Scan, Alarm, and Control (SAC) program, and what each field displays.
|
The field... |
Parameter... |
Displays... |
|
A_BLKS |
Total number of tags processed |
The number of blocks that SAC processed since iFIX started. |
|
A_BPS |
Number of tags processed per second |
The number of blocks that SAC processed in the last second. |
|
A_CPM |
SAC cycles per minute |
The number of scans that SAC completes per minute with no overruns. SAC attempts to complete 60 scans per minute or 1200 scans if you are using subsecond processing. If the number in this field is less than 60 or 1200, your SCADA server is overloaded. |
|
A_CPS |
SAC cycles per second |
The number of scans SAC completes per second with no overruns. SAC attempts to complete 1 scan per second or 20 scans if you are using subsecond processing. If the number in this field is less than 1 or 20, your SCADA server is overloaded. |
|
A_DBNAM |
Database name |
The name of the database on the local SCADA server. |
|
A_NDATE |
Node date |
The current date of the local SCADA server. |
|
A_NODE |
Node name |
The name of the local SCADA server. |
|
A_NTIME |
Node time |
The time of the local SCADA server. |
|
A_PDBSN |
Database serial number |
The serial number of the process database. |
|
A_SACOU |
SAC output status |
Enable, if SAC writes operator entries to the process
hardware, or |
|
A_SACOV |
Number of SAC overruns |
The number of times that the Scan, Alarm, and Control (SAC) program could not execute all requests during a scan. The count begins from the time the SCADA server started. |
|
A_SACPR |
Alarm priority level |
The SCADA server's alarm priority: INFO, LOLO, LOW, MEDIUM, HIGH, HIHI, or CRITICAL. |
|
A_SACST |
SAC scan status |
RUN if SAC is scanning the process database, or STOP if SAC is not running. |
