control-BooleanWritable
This component extends BooleanPoint to include 16 levels of command priority control. The highest priority active command is reflected in the Out property. Commands at the emergency and manual levels (1 and 8) are stored persistently.
This point is available in the Points folder of the control palette and usually resides in a device’s Points folder.
You can access these properties by double-clicking the component wherever a Boolean point is used. The point’s characteristic green circle icon with a B in the middle identifies Boolean writable points in the Nav tree and Wire Sheet.
| Property | Value | Description |
|---|---|---|
| Facets | Config Facets window |
Define the text to display
for the Boolean values:
For example, the facet trueText could display “ON” and the facet falseText “OFF.” You view Facets on the Slot Sheet and edit them from a component Property Sheet by clicking the >> icon to display the Config Facets window. |
| Proxy Ext, Out | message | Provides a current binary value, facets (text descriptors) and data status, such as fault, overridden, alarm, and so on. If no status flag is set, status is considered normal and reports {ok}.The station itself originates the point’s default Out value. |
| Proxy Ext, In1–16 | values |
Indicate from where the point’s
value originates, including details specific to the parentage of the
point’s network and communications (driver).
null indicates that the point is an empty placeholder. |
| Proxy, Fallback | value |
Configures a default Out value for a point when a priority scan of inputs In2 – In7 and In9 – In16 returns a null or invalid value, and no emergency
action (In1) or manual action (In8) has occurred.
|
| Override Expiration | read-only |
Reports how long a value
that has been set manually (using an action) remains valid.
|
| Min Active Time | hours minutes seconds (defaults to 00000h 00m 00s) |
Defines a minimum up time.
This property works independently of Min Inactive Time. You typically use this property to prevent the short-cycling of equipment controlled by the point. The default disables the timer. |
| Min Inactive Time | hours minutes seconds (defaults to 00000h 00m 00s) |
Defines a minimum down time.
This property works independently of Min Active Time. You typically use this property to prevent the short-cycling of equipment controlled by the point. The default disables the timer. |
| Set Min Inactive Time On Start | true or false (default) |
Determines if the minimum inactive
time applies at station start.
|
Actions
This component supports the following actions:
-
Emergency Active: sets an active output at the emergency level.
-
Emergency Inactive: sets an inactive output at the emergency level.
-
Emergency Auto: clears any active or inactive output at the emergency level.
-
Active: sets an active output at the manual level.
-
Inactive: sets an inactive output at the manual level.
-
Auto: clears any active or inactive output at the manual level.
-
Set: opens the Set window with true and false options, which you can use to manually configure the point’s value.