Device Attributes - ABB SPA OPC Server User Manual

Attributes
Object status
In use

3.2.3 Device attributes

The device attribute section contains the following information:
Table 3-4: Device attributes
Diagnostic counters
Process data messages received
Event messages received
Suspensions
Reply timeouts
Event to data discrepancies
1MRS755221
Integer
Communication status of the line, see Status
Codes on page 57 for status codes values and
explanations.
Integer
Controls whether the SPA OPC Server tries to
communicate with the SPA devices configured
to the line. When the SPA line is taken into use
(In use set to value 1), the SPA OPC Server
tries to establish communication with the
devices configured to the line. When the SPA
line is taken out of use (In use set to value 0),
the SPA OPC Server suspends all
communication on that line.
Description
Incremented every time a message containing
process data is received from the device.
Incremented every time a message containing
an event is received from the device.
Incremented every time the communication with
the SPA device is broken and the device is
considered suspended.
This counter is Incremented every time a
command to the device is not responded within
a configured time.
Incremented every time a discrepancy is
detected between the process data received
with data poll and the data received with an
event. This can be due to a configuration error
or an event overflow situation.
Section 3 Features
31