Emerson E2 Viewing Logs and Graphs, Facility Status Display FSD Alarms, Home/Status Screens

and time on which the reset occurred will be shown beside the report priority.

12.10.9Facility Status Display (FSD)

Alarms

The FSD can be used to handle alarms. Information such as time stamp, alarm ID string, current status, the rea- son an alarm was triggered, (if a case temp limit was exceeded) configured priority of the advisory, Return-To- Normal information, and if available, the limit that was exceeded can be viewed through the FSD. Alarms cannot be configured from the FSD unit.

If more than one E2 controller is at a site, one E2 must be set up as the alarm annunciator for that site. The FSD will receive alarms from that alarm-annunciator E2 for the entire site. The FSD will point only to a single E2 at a site (it will not poll multiple controllers for alarms). For more information, refer to the FSD Manual (P/N 026-1400).

Figure 12-23- FSD General Setup

12.11Viewing Logs and Graphs

There are two basic forms used by the E2 to display data: logs and graphs.

A log is simply a list of sampled values for a particular input or output along with the sampling times and dates. When you view logged data in this form, it is usually listed with the most recent sample at the top of the list, and the other samples listed below it in reverse chronological order.

A graph is a graphical representation of these log entries that shows how the sampled value has changed over time. Graphing is a quick, easy way to get an idea of how the application has been behaving. Special graphing features also allow you to zoom in on specific areas of the

graph.

12.11.1Locating Logged Inputs/

Outputs

12.11.1.1 Home/Status Screens

Figure 12-24- Sample Actions Menu From RX Home Screen

The easiest way to access a log or graph is from the Actions menu while on the Home screen or an applica- tion’s Status screen. These screens contain a number of different input and output values from the application. If a particular input or output is being logged by the E2 and has log data stored in the system, you can view the log or graph by following the instructions below:

1.Use the arrow keys to highlight the desired input or output on the Home or a Status screen.

2.Press to call up the Actions Menu, and

select either option to view a graph or to view a log.

If Graph and Log options are not listed in the Actions Menu, this means the property you have selected is not set up to be logged.

It may also be the case that there are currently no logged values to be viewed (this often happens when a controller is first set up or after a log has been cleared). If this is the case, E2 will tell you that no logged samples exist. For a complete list of items in the Actions Menu, refer to Section 10.7.3, The Actions Menu.

Viewing Logs and Graphs Operator’s Guide to Using the E2 • 12-15