MIC 1400 Manual
Edition 146
Loop Alarm Time
When full ON/OFF control is selected and Loop Alarm is enabled, this pa-
rameter determines the duration of the limit condition after which the Loop
Alarm will be activated. It may be adjusted within the range of 1 second to
99 minutes 59 seconds. This parameter is omitted from the Tune mode
display sequence if ON/OFF control is not selected or Loop Alarm is dis-
abled. The default setting 99:59. Display code is LAti.
Logical Combination of Alarms
Two alarms may be combined logically to create an AND/OR situation.
They may be configured for Reverse-acting or Direct-acting. Either Output
2 or Output 3 may be assigned as Logical Outputs.
Example:
Logical OR of Alarm 1 with Alarm 2
Direct-Acting Reverse-Acting
AL1 OFF, Al2 OFF: Relay OFF AL1 OFF, Al2 OFF: Relay ON
AL1 ON, Al2 OFF: Relay ON AL1 ON, Al2 OFF: Relay OFF
AL1 OFF, Al2 ON: Relay ON AL1 OFF, Al2 ON: Relay OFF
AL1 ON, Al2 ON: Relay ON AL1 ON, Al2 ON: Relay OFF
Logical AND of Alarm 1 with Alarm 2
Direct-Acting Reverse-Acting
AL1 OFF, Al2 OFF: Relay OFF AL1 OFF, Al2 OFF: Relay ON
AL1 ON, Al2 OFF: Relay OFF AL1 ON, Al2 OFF: Relay ON
AL1 OFF, Al2 ON: Relay OFF AL1 OFF, Al2 ON: Relay ON
AL1 ON, Al2 ON: Relay ON AL1 ON, Al2 ON: Relay OFF
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