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• OPC-40569-1 – OPC UA for Mining - Application and Use Cases - Part 1: Longwall Operation
  4.2.2 Use Case Shield Advance
  Case Shield Advance The Shield Advance UC describes the process of moving shields towards the coal face depending on the Shearer's position. The Roof Support System cyclically reads ... necessary. This state is reflected by setting the ShieldadvanceStatus -Variable to ONGOING . Once the shield advance action is finished, i.e. all shields are in the desired position, ShieldadvanceStatus