schedule-StringSchedule
Allows schedule control of string writable points (possibly proxy points).
To access these properties, right-click the StringSchedule in the Nav tree and click .
In addition to the standard properties (Status and Fault Cause), these properties support string schedules.
| Property | Value | Description |
|---|---|---|
| Default output | true or false | Sets up default output for the component.
In scheduling, the schedule's output value whenever an event (either weekly or special event) is not active. It is also used whenever the component is not effective. For a weekly schedule, set |
| Cleanup Expired Events | true (default) or false | Automatically deletes (true) calendar events of type Date and Date Range that have already occurred and cannot occur again (as configured). This is recorded in the schedule log, and you no longer
see them in the view.
|
| Scan Limit | 90 days (default) | Specifies a limit on how far ahead the component searches to find the next event output change. This can prevent excessive CPU usage. Format is: ddd hh mm ss, and range is from 1 day (minimum) up. If changed, a value less than the default is typically recommended--for example, 14 days. |
| Facets | trueText (default), falseText | Configure true and false text for schedules.
Configuring facets is critical in an EnumSchedule, and optional in a BooleanSchedule or NumericSchedule. Facets do not apply if a StringSchedule. Facets contain additional data applied to input and output values.
For example, you might want to set the facet trueText to display “ON” and the facet falseText to display “OFF.” "Units of measurement" is also a type of facet. View facets on the Slot Sheet and edit them from a component Property sheet by clicking the >> icon to display the Config Facets window. |
| Last Modified | read-only | Reports the timestamp of last configuration change. |
| Out Source | read-only | Provides a string source description of the current output, as one of the four options shown left. For example, Week: monday or Special Event: Christmas Break |
| Out | false {ok} (default)
|
Reports the output value of schedule component. Output is true during any configured calendar day(s), otherwise it is falseDetermined by the following, in highest-to-lowest priority: Any non-null value at its In slot (if linked). This value is immediately passed to its output. Otherwise (if null), processing continues. If the schedule is not effective, the output goes to the default output value. If the schedule is effective, the output goes to the (highest priority) active special event (if any). The active weekly schedule event (if any). The default output value. |
| In | (defaults to null) | Provides a string source description of the current input, such as a linked schedule. If the in property is linked and its value is non-null, then this value overrides the scheduled output. |
| Next Time | (defaults to null) | Displays the time of next scheduled output change for the component. If more than a year away, this value is null. Displays
in Baja AbsTime format, for example: 03-Feb-05 5:00 PM.
Typical application is for informational display. If needed. slots can be linked into control logic. For example TimeDifference and CurrentTime objects (kitControl, Timer) provide AbsTime slots too. |
| Next Value | read-only | Reports the next scheduled output value, at Next Time. Value is meaningless if Next Time is null.
|