OPC Time Monitor
http://www.opctimemonitor.com/

Use the Time monitor with the Data Logger to provided logs of your process states and downtime.

The OPC Time Monitor OPC Server helps you turn raw data from your PLCs and process controllers and turn it into valuable information to help you improve your manufacturing efficiency and profitability in a wide range of applications.

The OPC Time Monitor is unique because it can integrate with any system that utilizes the industry standard OPC interfaces and requires no programming or complicated setup. Plug in the OPC Time Monitor between your OPC Data Access Server and HMI/SCADA or Process Control System and start getting valuable process intelligence quickly

Consolidate many OPC Servers into this single OPC Server source. Your OPC Clients can connect to this one OPC Server and access those Tags from your other OPC Servers.

Tag access in the OPC Time Monitor can be setup according to security settings that you can define.