33 MIC 1161 Manual
Process High Alarm 1 Value
This parameter, applicable only when Alarm 1 is selected to be a Process
High alarm, defines the process variable value at or above which Alarm 1
will be active. Its value may be adjusted between Input Range Maximum
and Input Range Minimum. Its default value is Input Range Maximum.
Display code is PHA1.
Process Low Alarm 1 Value
This parameter, applicable only when Alarm 1 is selected to be a Process
Low alarm, defines the process variable value at or below which Alarm 1
will be active. Its value may be adjusted between Input Range Maximum
and Input Range Minimum. Its default value is Input Range Minimum.
Display code is PLA1.
Process High Alarm 2 Value
This parameter, applicable only when Alarm 2 is selected to be a Process
High Alarm, defines the process variable value at or above which Alarm 2
will be active. Its value may be adjusted between Input Range Maximum
and Input Range Minimum. Its default value is Input Range Maximum.
Display code is PHA2.
Process Low Alarm 2 Value
This parameter, applicable only when Alarm 2 is selected to be a Process
Low Alarm, defines the process variable value at or below which Alarm 2
will be active. Its value may be adjusted between Input Range Maximum
and Input Range Minimum. Its default value is Input Range Minimum.
Display code is PLA2.
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
AL-1 OFF, AL-2 OFF: Relay OFF AL-1 OFF, AL-2 OFF: Relay ON
AL-1 ON, AL-2 OFF: Relay ON AL-1 ON, AL-2 OFF: Relay OFF
AL-1 OFF, AL-2 ON: Relay ON AL-1 OFF, AL-2 ON: Relay OFF
AL-1 ON, AL-2 ON: Relay ON AL-1 ON, AL-2 ON: Relay OFF
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