Alarms - GE Optica Operator's Manual

January 2006

Alarms

Item
Alarm Choose which alarm relay is being programmed.
Status
Set whether or not the alarm is enabled.
Parameter*
Set the parameter that can activate this alarm.
Units*
Set the units for this parameter.
Type
Set the type of condition that will activate the alarm
Upper* The upper side of the alarm band
Lower*
The lower side of the alarm band
*These fields ar ignored if the alarm is set to Control, Service, or PACER.
4-8
For more information on using the alarms, see Alarm Outputs on
page 2-10.
Table 4-5: Alarm Options
Function
The Upper and Lower limits set the alarm thresholds as described
below for each alarm type (see details on page 2-10):
•
SetPoint: alarm activates when parameter exceeds upper limit, and
deactivates when parameter is less than lower limit.
•
Inner Band: alarm activates when parameter is between upper and
lower limits.
•
Outer band: alarm activates when parameter is outside upper and
lower limits.
•
Control: alarm activates when Optica is actively controlling mirror
temperature.
•
Service: alarm activates when Service indicator is activated.
•
PACER: alarm activates when PACER balance is active.
Available Options
1 and/or 2
Enabled or Disabled
Humidity, Temperature,
Pressure or User Equation
(See Table 4-1 on page 4-4
for parameter chosen.)
SetPoint, Inner Band, Outer
Band, Control, Service, PACER
Enter a number.
Enter a number.
Programming the VGA Optica