Tabs On The Device Home Page - Honeywell MCT404 User Manual

4.6. Online configuration

Tabs on the Device Home page

The following are the options that are available on the device homepage

Information tab: Use this option to view the device identity related information. You can view the
manufacturer name, device type, device revision, DD revision, and universal revision of the HART
device.

Functions tab: This tab provides various options which you may use for navigating through the
device specific user interface and some standard features offered by FDC across all devices. For the
sake of explanations, the right side options under this tab shall be referred as "Entry points"
throughout the rest of the document.

My Views tab: Quite often, you may be interested only in a set of variables of a device. But
navigating through the menu tree of a device may not be helpful because of time and further all
variables that you want may not be in the same location. Using this unique feature of FDC, you can
now choose what you want to view in a device in your own views. FDC allows you to create two
such views per device revision of a specific device type. You can always modify them as per your
needs.

Tools tab: This tab is a placeholder for FDC specific tools for providing certain functionality.
Currently the only option it provides is called as Save History. Using this option you can save the
snapshot of the device variables. This snapshot is saved in a format which can be later imported as a
history record in FDM.
Using FDC for various device operations
Typical operations with a smart field device involve configuration, calibration, monitoring, and
diagnostics. Any combination of these operations may be required in different phases of a device life
cycle in a plant, such as Commissioning, Operations, and Maintenance. FDC enables you to achieve
these operations with a HART device via the various interfaces/constructs exposed through the DD file
of the device. Configuration involves setting variables to desired values. Calibration is the process of
verifying certain aspects of device measurements against set standards and then tuning them to meet the
desired limits. Both these operations are enabled through editing (and writing) variables or executing
well defined methods. Monitoring is an operation which involves observing values of a set of variables.
This could be achieved simply by reading the variable values in different menu groups, or through visual
constructs such as Graphs, Charts, and so on.
Diagnosing a device may involve any combination of reading/writing or observing a set of variables
through various constructs. Quite often diagnostics may involve executing a method to perform a well-
defined procedure to see the behavior. All HART devices have special variables which indicate the
diagnostic status of a device as well. In common terms, the diagnostic status of a device is often termed
as device health as well. Besides these an interface of a device may also contain certain other constructs
such as Images, Grids, and so on. These are primarily meant for aiding the above-mentioned operations.
The "Functions" tab under the device home page provides the entry points for navigating through the
device specific user interface to perform the above mentioned operations. A device may define up to four
entry points in the DD file which are presented as is. All devices shall have at least one entry point and
generally it is called as "Online". Besides the device specific entry points FDC provides custom entry
points for navigational aids to specific type of information/features. One such entry point is called as
Device Status used for reviewing device health and the other one is called as Methods List, used to
navigate to all the methods available in a device.
All the device specific entry points present the device interface, as explained using the Online entry point
as an example. All the other device specific entry points have the similar interface except for the fact that
the variables and other DD constructs provided under each may vary as indicated by the title of each
entry point.
For the sake of explanation, the pages that appear on navigating through the device specific entry points
are called as "Device Configuration" pages in this document. However it must be noted that this does not
prohibit you from performing other device operations as explained above.
40 MC Toolkit (MCT404) User Manual Revision 3