Operating specifications of the controller

The controller takes operating states of the application into account via Control process data (see DataAreas).

Variable

Description

bEnable

Enable the controller with reset of all timing elements, filters and integrations.

bSupplyError

External UPS is active due to power supply failure. Signal to the controller to save internal states via a controlled switching off and restart.

bMeasureError

Communication error to the grid data acquisition device at the Measure interface. The controller goes into the bypass state for the duration of the error and uses the setpoints selected by the Fallback Control parameters and the FallbackMode.

bPlantError

Communication interruptions to a connected power generating plant. Affects the control values from the Demand interface. The controller goes into the bypass state for the duration of the error.

bOperatorError

Interruption of communication to the telecontrol interface of the grid operator. The controller uses the setpoints selected via the OperatorFallbackMode parameter for the targets fActivePowerLim, fReactivePowerSet and fCosPhiSet. After the fault has been cleared, a restart delay applies in accordance with the OperatorFallbackDelay parameter.

bMarketerError

Interruption of communication with the energy management system of the direct marketing company. For fActivePowerSet, the controller uses the setpoint that was selected via the MarketerFallbackMode parameter. After the fault has been cleared, a restart delay applies in accordance with the MarketerFallbackDelay parameter.

bVoltageProtection

Voltage protection triggered by external device. Concerns the Reconnect function of the controller.

bFrequencyProtection

Frequency protection detected by external device. Concerns the Reconnect function of the controller.