Chapter 3 ______________________________________________________ Functional Description
VAISALA_______________________________________________________________________ 35
ROA Objects
ROA objects are data containers created by the processes. An object can
act as data input for subsequent processes. A single object can contain
several data values referred to as data items. These data items are the
values shown on the screens of the end-user applications.
The ROA objects can be monitored in the Diagnostics application. For
more information, see Chapter 5, Diagnostics, on page 49.
ROA objects can be divided into the following categories:
- System objects
- Sensor objects
- Meteorological objects
- Alarm objects
- External system objects
A regular AviMet system can include 50 to 400 objects depending on the
size and configuration of the system. The objects described in the
following sections are only a sample.
System Objects
The ROA system objects are created by ROA system services. For
examples, see the following table.
NOTE
The objects listed in the following sections are only a sample of all the
objects. As each system is individually configured, your system can
include objects not listed in this manual or objects with different names.
Table 10 ROA System Objects
Object Name Function
ROASERVERA The main object of CDU A (in duplicated
systems).
ROAALARM An alarm object containing all alarm data
created by any service.
ROACONNECTION An object containing status information about
monitored remote system connections.
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