| Alarm label in the system | Meaning |
|---|
| PA_NoAlarm | No active process alarm. |
| PA_ToOn | Process alarm occurred - change into the level ON (TRUE). |
| PA_ToOff | Process alarm occurred - change into the level OFF (FALSE). |
| PA_On | Process alarm occurred - the level ON (TRUE). |
| PA_Off | Process alarm occurred - the level OFF (FALSE). |
| PA_Err | Invalid value. |
| PA_Oscillate | Oscillating value. |
| PA_HL | Process alarm occurred - limit state of HL value. |
| PA_VHL | Process alarm occurred - limit state of VHL value. |
| PA_LL | Process alarm occurred - limit state of LL value. |
| PA_VLL | Process alarm occurred - limit state of VLL value. |
| PA_ToHL | Process alarm occurred - value change to the limit state HL. |
| PA_ToVHL | Process alarm occurred - value change to the limit state VHL. |
| PA_ToLL | Process alarm occurred - value change to the limit state LL. |
| PA_ToVLL | Process alarm occurred - value change to the limit state VLL. |
| PA_SwToTrans | Process alarm occurred - quadrat value change to the value Q_Trans. |
| PA_SwToOff | Process alarm occurred - quadrat value change to the value Q_Off (FALSE). |
| PA_SwToOn | Process alarm occurred - quadrat value change to the value Q_On (TRUE). |
| PA_SwToError | Process alarm occurred - quadrat value change to the value Q_Err. |
| PA_SwTrans | Process alarm occurred - quadrat value is Q_Trans. |
| PA_SwOff | Process alarm occurred - quadrat value is Q_Off. |
| PA_SwOn | Process alarm occurred - quadrat value is Q_On. |
| PA_SwErr | Process alarm occurred - quadrat value is Q_Err. |
| PA_ErrWriteCmd | Error during value setting of input I/O tags. |
| PA_Change | Process alarm occurred - change of integer or analog value. |
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