OPC.HDA_IOPCHDA.SyncAnnotations.Read

description-logo Description

This indicates detection of the OPC HDA IOPCHDA SyncAnnotations Read command.
OPC (OLE for process control), currently known as "OPen Connectivity", is a standards specification by the OPC Foundation designed for communication between multi-vendor devices and control applications. OPC Historical Data Access (OPC HDA) is used to exchange archived data, i.e. a data historian, as opposed to real-time data from field sensors.

affected-products-logoAffected Products

OPC HDA

Impact logoImpact

Unexpected network communication

Technology

Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device

Behavior

  • Reasonable

Application Dependencies