The PELO General document, OPC 40561-1, serves as an abstraction layer to all machines and systems that are classified as extraction equipment or systems. Examples of such are AHS systems, Remote-Automation systems or Mine Design systems. Therefore, it contains parent types and common features that are shared by two or more PELO services or systems. Documents detailing the PELO services or systems, that are part of the OPC 40561 multi-part documents, are given in .

Table 1 – Subdocuments of OPC 40567 PELO Services

Document Name	Number	Description
General (This document)	OPC 40567-1	General Information about PELO Services
Face Alignment System	OPC 40567-2	System specific information about the Face Alignment System

This document contains common OPC UA type definitions to all PELO services and systems.