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13
Installation and Operation
Manual
Series A3 & A4
Set Point Delay (SP1 D & SP2 D)
– This variable sets the minimum amount
of time that the process must be above or below the set point for the switch
state to actuate.
value
– Time in seconds
Alarm (AL)
– There are three different alarm types that can be selected, high
alarm, low alarm, or high and low alarm. The high alarm will actuate the
relay when the process is above the high alarm set point. The low alarm will
actuate the relay when the process is below the low alarm set point. The
high and low alarm can be used together so the alarm relay is actuated when
the process is above or below the high alarm and low alarm set points
respectively. The selection will dictate which alarm parameters are shown in
the Main Menu. The below figure shows the three alarm types.
High Alarm (hi)
– High alarm
Low Alarm (lo)
– Low alarm
High Low Alarm (hilo)
– High and low alarm
Alarm Reset (AL Rs)
– In the case of an alarm condition, the control can be
configured to automatically reset when the alarm condition goes away or to
- FS
+ FS
0
ON
ON
OFF
Pressure
Lo Alarm
Hi Alarm
- FS
+ FS
0
ON
OFF
Pressure
Lo Alarm
- FS
+ FS
0
ON
OFF
Pressure
Hi Alarm
