5 Modelling Approach of ISA-95

The modelling approach for generating a UA model from the ANSI/ISA-95 Part 3 specification follows the following general concepts.

An OPC UA server may support the activity of receiving unsolicited Job Orders for processing.

An OPC UA server may support the activity of receiving unsolicited requests for Job Responses.

An OPC UA server may support the activity of receiving unsolicited Job Responses.

Data types from the ISA-95 model are mapped to OPC UA DataTypes (i.e. strings if localized are mapped to LocalizedText).