Local Historian Plug-In for KEPServerEX KEPServerEX – Communications Platform The Local Historian Plug-In for KEPServerEX moves data collection, storage, and access closer to the data source to prevent data loss and improve operational efficiency via open access and a single product solution. By plugging into the KEPServerEX communications platform, the Local Historian can connect to any device and add devices in real-time without operational downtime. Its plug-in architecture simplifies configuration, provides flexibility, and makes the information accessible across OPC HDA (an open standard). Plug-In Features Supported Protocol • Collects data consisting of a value, quality, and timestamp from any data source in the server (such as drivers, plug-ins, or system tags) • Collects from both static and dynamic server tags • Supports persistence to a volume on the local machine (which can be a fixed drive or removable media) • Supports access to historical data via OPC HDA 1.20 • Supports processed read requests (OPC HDA aggregates) Local Historian Plug-In • Supports data timestamps with one millisecond resolution • Supports configurable data collection scan rates as frequent as 10 milliseconds • Supports collection deadband • Has a configurable data retention policy • Imports historical data that has been backed up and removed from active use • Has a built-in historical data viewer for quick troubleshooting • Supports tiered licensing for up to 10,000 tags Kepware Technologies | 400 Congress Street | Portland, Maine

Proven Interoperability • 150+ Communication Drivers with More than 250 Unique Protocols. • Supports Open Standard Interfaces: • DDE Formats: CF_Text, XL_Table, Advanced DDE, and Network DDE. • OPC Alarms and Events (OPC AE): 1.0 and 1.10. • OPC Data Access (OPC DA): 1.0a, 2.0, 2.05a, and 3.0. • OPC .NET: 1.20.2. • OPC Unified Architecture (OPC UA): 1.01. • Thin-Client Terminal Server: Windows Remote Desktop. • Supports Native Vendor Interfaces: • Wonderware FastDDE & SuiteLink. • GE NIO for iFIX. • Oracle. • Advanced OPC and Channel Diagnostics. Supported Operating Systems  Windows 8  Windows...