OFSOPC Driver

The OFSOPC Driver enables Plant SCADA to communicate with OPC Factory Server (OFS), providing a gateway to a network of OFS-compatible devices.

For each Plant SCADA I/O server, a single connection to a local instance of OFS is established, allowing tight integration between the driver and the OFS configuration environment. Individual devices are addressed within a Plant SCADA project using OFS alias names.

The following diagram demonstrates a simple system installation using I/O server and PLC network redundancy.

Citect SCADA 7.20 or later (or a later version of Plant SCADA) is required to use the OFSOPC Driver.

Note: With the release of version 7.20, Plant SCADA supports the retrieval of time-stamped data directly from field devices. This capability is enabled by the Driver Runtime Interface (DRI), a component of Plant SCADA that is used by the OFSOPC driver to directly update time-stamped digital alarms, time-stamped analog alarms and event-based trends. For more information, see the topic Retrieving Time-stamped Data from Field Devices in the main Plant SCADA help.

See Also

System Requirements

Setting up Device Communication

Configuring Variable Tags

Advanced Configuration and Maintenance

Performance Tuning

Troubleshooting