Super Systems 9120 with TS - Manual (Page 59)

SSi 9120 Touchscreen Interface
4586 – 9120 With Touch Screen Interface Page 59 of 80
Alarm Setup
The 9120 controller can be configured to use
three different alarms. Each of the alarms
consists of an alarm setpoint, alarm type, alarm
hysteresis, smart alarm, ON delay time, and a 0
SP blocks alarm value. The alarms come from
the factory with a default configuration
dependent on the application but also can be
modified prior to shipment to your facility or in
the field by a supervisor.
Setpoint
This value is the setpoint for the alarm.
Clicking on this value will display an input box from which the user can select a new value. The
range is from –9999.00 to 9999.00.
Alarm Type
This value is the type of alarms used. Clicking on this value will display an input box with two (2)
drop-down lists from which the user can select a new value.
The values in the first (top) list box are:
PV 1 Value
PV 2 Value
PV 3 Value
Input 1 Value
Input 2 Value
Input 3 Value
PO1 Value
PO2 Value
PO3 Value
The values in the second (bottom) list box are:
Process High
Process Low
Band, Normally Open or Out of Band
Band, Normally Closed or In Band
Deviation, Normally Open or Outside Deviation
Deviation, Normally Closed or Within Deviation
Hysteresis
This value is the Hysteresis value. The Hysteresis is a set number that works with the alarm to
help control a motor or pump longer to reach a set amount to come back into band before it will
shut off motor or pump.
Example: Using quench oil as an example, suppose the SP is 200 ◦F. The alarm is set as a
deviation of +10 ◦F. At 210 ◦F, the alarm is active and the pump will run to cool the oil. With a