DVC6000f Digital Valve Controllers
December 2009
F-14
are migrated from older DeltaV systems will have their
device alarms disabled.
Note
1. Use the default setting of device
alarms enabled. If the user does not
want notification of device alarms, this
can be configured on each individual
alarm. Later on, you can modify the
alarm configurations without
downloading the device. Disabling
device alarms disables all of the
alarms, including the device
communication failure alarm.
2. Use the same control display for the
device as for the control module.
3. If you suspect a rogue device is
generating extra H1 bus traffic from
device alarms, disabling device alarms
stops the device from sending the
alarms.
4. If the Alarms and Displays tab is not
shown, then you either do not have an
MD controller or the device is on a
Series 1 H1 card.
Area Assignment
Controllers use this area assignment to report node
status (e.g. not communicating). Devices and control
modules use this area assignment to determine where
to send their alarms.
Area A is the default area assignment for all
controllers and workstations (see figures F-6 and F-7).
Also, by default Area A is assigned to all workstations
Alarms and Events subsystem. This means that all
controller status problems are sent to all workstations
by default.
A fieldbus device will change its area association once
the device is configured to a control module. In
addition, the device is assigned to the same place in
the logical hierarchy as this control module. So if the
control module is under a unit, the device is also
considered under this same unit.
The device is automatically associated with the same
area as the control module that uses the lowest index
number function block in the device. This block is
usually the primary input or output function block of
the device. This ensures that wherever the control
module is reporting information, all device information
that may also be relevant is also reported.
Figure F-6. Controller Properties
THE CONTROLLER IS ASSIGNED TO AREA A. A DEVICE THAT IS NOT YET
ASSOCIATED WITH A CONTROL MODULE WILL DEFAULT TO THE SAME
AREA AS THE CONTROLLER.
Figure F-7. Device Properties
F
Содержание Fisher FIELDVUE DVC6000f
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Страница 127: ...Transducer Block December 2009 4 67 4 ...
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Страница 303: ...Principle of Operation December 2009 A 1 A A Appendix A Principle of Operation Digital Valve Controller Operation A 2 A ...
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Страница 372: ...DVC6000f Digital Valve Controllers December 2009 Glossary 4 Notes G Glossary ...
Страница 382: ...DVC6000f Digital Valve Controllers December 2009 Index 10 F Index ...
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