The RequestUnloading method call indicates that some hauling machine requests the unloading operation. After successful confirmation, the unloading procedure starts.

The ExclusionZone property describes the area that haulage machines, which are to be unloaded, are not allowed to enter when approaching the rock crusher.

Please refer to OPC 10000-100, OPC 40001-1, OPC 40560 and OPC 40564-1 for the descriptions of other inherited instance declarations.