kitControl-RaiseLower

This component provides a staged analog output designed to be used with a third party two-relay hardware device. It also provides for the operation of two digital outputs from normal IO hardware such as NDIO as an alternative control method. The actuator should be able to sustain an overdrive at each boundary (for example, a clutch mechanism) as the Raise lower object does not have proportional feedback or limit switch features.

RaiseLower component is available in the HVAC folder of the kitControl palette.

Figure 59. RaiseLower properties

Property	Value	Description
Facets	Config Facets window	Selects units and configures how the value displays: `unit` defines the unit of measure from `acceleration` to `volumetric flow.` `precision` defines the number of decimal places. `min` defines the lowest value allowed. `max` defines the highest value allowed. This configuration applies to the `Out` property value.
Out	read only StatusNumeric number of volts	Displays the analog output value from the object. Valid voltage outputs of 0v, 4v, 7v and 10v depend on the function determined by the object. When null is checked, the value displayed defaults to the incoming value from the device.If you remove the check mark you can configure the `In` value.
In	status numeric value for percentage from 0 to 100 (defaults to 0.00) and null definition	Defines an input percentage. This slot typically connects to a modulated output of a Control object such as a PID Loop.
Cancel Synchronization Offlimits	`true` or `false` (default)	`true` prevents the doubling of the `Drive Time` when moving to the limit positions: 0.0 or 100.0. `false` permits the doubling of `Drive Time`.
Virtual Position	status numeric percentage value for percentage from 0 to 100 (defaults to 0.00)	Represents the virtual position of the actuator as calculated by the RaiseLower component.
Raise	status Boolean value: `true` or `false` (default)	`true` configures the output to raise the position of the actuator. The component maintains the raise output for a period of time determined by the positive differential of `Virtual Position` subtracted from the `In` value, and is a relative proportion of the full-scale drive time. If Virtual Position is 100 percent (fully raised), the component compensates for real time drift by asserting twice the drive time. This synchronizes the physical actuator with the calculated virtual position. `false` leaves the position of the actuator unchanged.
Lower	status Boolean value: `true` or `false` (default)	`true` configures the output to lower the position of the actuator. The component maintains the lower output for a period of time determined by the negative differential of `Virtual Position` subtracted from the `In` value, and is a relative proportion of the full-scale drive time. If `Virtual Position` is 0 percent (fully lowered), the component compensates for real time drift by asserting twice the drive time. This synchronizes the physical actuator with the calculated virtual position. `false` leaves the position of the actuator unchanged.
Function	read-only	Displays operational information corresponding to the current activity of the object. Valid status values include: Off, Lower, Static, Raise.
Dead Band	single digit between 0 and 6 with two decimal places (defaults to 0.50)	Configures an interval where no action occurs and should be set to a value that corresponds to a percentage of full scale drive time. The `In` value must exceed the `Dead Band` value before the `Out` command raises or lowers the actuator.
Drive Time	hours minutes seconds (defaults to one minute)	This should be set to a value that corresponds to the full scale drive time provided by the manufacturer.
Midnight Reset Enabled	`true` (default) or `false`	`true` invokes a synchronization cycle at midnight to compensate for real time drift that may accumulate during normal operation of the actuator. The reset cycle overrides an input signal for a period of twice the full length `Drive Time`. `false` inhibits a reset. This is the desired setting.

kitControl-RaiseLower

Figure 59. RaiseLower properties

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