ALPHA-VISION® API-Interface to Technology program: FC161

FC161

SUMMARY

The AbvSpu provides functions to read and write process attributes (status, measuring value, alarm information) as well as to control process parameters (limits, delay times, etc.).

PARAMETERS (IN)

obj (INT)

Object Number

PARAMETERS (OUT)

iVal (INT)

Alarm Level

bOk (BOOL)

Status (1=ok, 0=Fehler)

PARAMETERS (IN_OUT)

DESCRIPTION

GetALvl() - Actual Alarm Level
Returns the Alarm Level for the actual status of a Measuring Point.

The function is defined for Measuring Points (MP) only.

• The Alarm Level is defined for status 1 to 8 and 'out of Range'.
• For status 'fadedout' and 'undefined' Alarm Level 0 is returned.
• For blocked alarm status Alarm Level 0 is returned.
• For Objects of the types 'Process Variables' Alarm Level 0 and 'bOk=0 (error)' is returned.
• Possible Errors:
  • a) Invalid Object Number
  • b) wrong Object Type