Figure 10 provides an overview of the instance object model for PackML

Figure 10 - PackML Object Instance Overview

The OPC UA Server shall have a PackMLObjects folder under the OPC defined Objects folder on a UA Server. This folder shall contain one or more instances of PackMLBaseObjectType (see 6.3.2 for definition of PackMLBaseObjectType). A single OPC UA Server might contain a single instance of a PackML system or it might contain multiple PackML systems.

The PackMLObjects node is formally defined in Table 2.

Table 2 – PackMLObjects definition

Attribute	Value
BrowseName	PackMLObjects
References	NodeClass	BrowseName	TypeDefinition
Organized by the Objects Folder defined in OPC 10000-5
HasTypeDefinition	ObjectType	FolderType