GB/T 33863.11-2021 Active National standards

GB/T 33863.11-2021 OPC unified architecture—Part 11:Historical access

Publish Date: 2021-08-20 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 33863.11-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Industrial automation instrumentation and control devices

ICS Name: Industrial automation systems

Publish Date: 2021-08-20

Implement Date: 2022-03-01

Pages: 42 pages

Scope

This part of GB/T 33863 defines the information model related to historical access (HA), including, in particular, additional descriptions of the node types and attributes required for historical access, additional standard features, and other information and behaviors.
IEC 62541-3 specifies a complete address space model, including all node classes and attributes. IEC 62541-5 defines a predefined information model, and IEC 62541-4 stipulates services for detecting and accessing historical data and events, as well as descriptions of extended parameter types.
This part includes functions for calculating and returning aggregations, such as maximum values, minimum values, and averages. IEC 62541-13 defines the specific work of information models and aggregations.