8 Requirements
8.1 Description
REQ - Control Requirements
Figure 17 REQ - Control Requirements
ControlLevelStrategyTankCapacityControlOutflowStrategyPositionerDeviceControl StrategyPhysicalSubSystemControlSubSystemOutflowDeviceLevelDevice
8.2 List of requirements
ControlLevelStrategy
The level must be maintained in 70% of the tank capacity through the level and outflow control of the fluid
TankCapacity
The tank capacity is unknown but the level device senses the tank filling amount
ControlOutflowStrategy
The outflow control is maintained by the positioner device that control the flow fluid amount