IEC 62541-3 Revised
IEC 62541-3:2015
OPC unified architecture - Part 3: Address Space Model
IEC 62541-3:2015 describes the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. It is the OPC UA meta model on which OPC UA information models are based. This second edition cancels and replaces the first edition published in 2010 and constitutes a technical revision. It includes the following changes:
- Added rules for subtyping enumerations;
- Added Property EnumValues;
- Added Property ValueAsText;
- Added EventType SystemStatusChangeEventType;
- Added Properties MaxArrayLength and MaxStringLength;
- Removed the concept of ModelParent;
- Added EventType ProgressEventType;
- Stated that it is allowed to use TAI in all places where UTC time is used;
- Added Property EngineeringUnits;
- Added ModellingRules OptionalPlaceholder and MandatoryPlaceholder.
- Added rules for subtyping enumerations;
- Added Property EnumValues;
- Added Property ValueAsText;
- Added EventType SystemStatusChangeEventType;
- Added Properties MaxArrayLength and MaxStringLength;
- Removed the concept of ModelParent;
- Added EventType ProgressEventType;
- Stated that it is allowed to use TAI in all places where UTC time is used;
- Added Property EngineeringUnits;
- Added ModellingRules OptionalPlaceholder and MandatoryPlaceholder.
CHFÂ 410.-
A more recent version of this publication exists:
IEC 62541-3:2020 RLV
Technical committee
TC 65/SC 65E Devices and integration in enterprise systems| Publication type | International Standard |
| Publication date | 2015-03-25 |
| Edition | 2.0 |
| ICS | 25.040.40 35.100.05 |
| Withdrawal date | 2020-07-08 |
| ISBN number | 9782832223857 |
| Pages | 258 |
| File size | 3.20 MB |