The RockCrusherType and RockCrusherControlType are subtypes of the MiningEquipmentType defined in OPC 40560 and represent components of a rock crusher machine. Importantly, the rock crusher machine is composed of one instance of the RockCrusherType, acting as a container type, and one or more subcomponents, amongst which an instance of the RockCrusherControlType can be present. Figure 1 shows the hierarchical and compositional structure of the AddressSpace of these ObjectTypes.

Figure 1 – Rock Crusher Overview