MSA SUPREMA - Page 182

REV 0, June 2005Page 182
Operation Manual SUPREMA
6. Startup
• The output is at “normal” status.
The signal is outside the alarm limits:
• The output is permanently at alarm status.
Acknowledgement by pressing the ACKNL key:
• The output is at alarm status, unless the parameter setting is “new Alarm” (i. e. actual
alarm).
• The output changes to “normal status”, if the parameter setting is “new Alarm”. If after 24
hours the signal is still outside the alarm limits, the output changes again to alarm status
and can be acknowledged again.
The signal is no longer outside the limits:
• The output changes to “normal” status, regardless of whether the alarm has been
acknowledged or not.
For non-latching alarms, the RESET key has no effect.
Latching alarm:
The signal is within the alarm limits:
• The output is at “normal” status.
The signal is outside the limit:
• The output is permanently at alarm status.
Acknowledgement by pressing the ACKNL key:
• The output is at alarm status, unless the parameter setting is “new Alarm” (i. e. actual
alarm).
• The output changes to “normal status”, if the parameter setting is “new Alarm” (i. e. actual
alarm).
The signal is no longer outside the alarm limits, and the ACKNL key has not yet been pressed:
• The output is permanently at alarm status.
The signal is no longer outside the alarm limits, and the ACKNL key has been pressed:
• The output is at alarm status, unless the parameter setting is “new Alarm” (i. e. actual
alarm).
• The output changes to “normal status”, if the parameter setting is “new Alarm”. If after 24
hours the signal is still outside the alarm limits, the output changes again to alarm status
and can be acknowledged again.
The signal is no longer outside the alarm limits, the ACKNL key has been pressed, and the
RESET key is being pressed:
• The output changes to “normal” status
If the signal is still outside the alarm limit, or if the ACKNL key has not yet been pressed, pressing
the RESET key has no effect.