OPC Data integration
OPC is the interoperability standard for the secure and reliable exchange of data in the industrial automation space and in other industries. It is platform independent and ensures the seamless flow of information among devices from multiple vendors. The OPC Foundation is responsible for the development and maintenance of this standard.
The OPC standard is a series of specifications developed by industry vendors, end-users and software developers. These specifications define the interface between Clients and Servers, as well as Servers and Servers, including access to real-time data, monitoring of alarms and events, access to historical data and other applications.
Information is edited extract from OPC Foundation Website
EVO has a built in OPC client allowing for data variable sharing from OPC compliant external devices such as access control and security alarm systems that support the OPC standard, this third party information integration is in addition to the external data sources described here.