Enabling history backfill

Pre-requisites

• The HC900 Hybrid controller. controller Also known as remote terminal unit, RTU. A generic term for a device that is used to control and monitor one or more processes in field equipment. The most common control and monitoring device in an access control and security system is an access control panel. Other devices include security monitoring panels, elevator controllers, and fire monitoring devices. Controllers include programmable logic controllers (PLCs), loop controllers, bar code readers, and scientific analyzers. See also: C200 controller, control processor, CPM, hybrid controller, network node controller, PLC. has been configured with trend A display in which changes in value over time of one or more point parameters are presented in a graphical manner. See also: display, point parameter. points.

To enable history backfill for HC900

1. In Station Experion's main operator interface. Station presents information using a series of displays. See also: display., choose ConfigureSystem HardwareSCADA Controllers.
2. Click the HC900 controller.

   The Controller Status display appears.

3. Under History Backfill, select the Enable check box.