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Honeywell Experion C300 User Manual

Honeywell Experion C300
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Fault classifications
OPM-related notifications – RDNOPMSTATUS parmaeter
236 Experion C300 Controller User's Guide R301.1
Honeywell 11/06
Table 18 C300 Fault Classifications and Possible Causes
Fault Classification Description
Hard Failure
Hardware detected failure. Operation cannot continue. If software is
running, the affected controller is rebooted into the FAIL State.
• Hard failure on a synchronized primary controller triggers a
switchover to the backup controller.
• Hard failure on a backup controller causes a loss-of-
synchronization (and reduced availability until fault is corrected).
• Hard failure on a non-redundant controller causes a loss-of-control
and loss-of-view.
Severe Failure
Software detected failure. Operation cannot continue. The affected
controller is rebooted into the FAIL State.
• Severe failure on a synchronized primary controller triggers a
switchover to the backup controller.
• Severe failure on a backup controller causes a loss-of-
synchronization (and reduced availability until fault is corrected).
• Severe failure on a non-redundant controller causes a loss-of-
control and loss-of-view.
Partial Failure
Software detected failure. Non-redundant controller could continue to
operate.
• Partial failure on a non-redundant controller results in some or all
loss-of-view and/or loss-of-control. However, the controller does
not reboot into FAIL State but continues to provide whatever
services it can.
Soft Failure
Software detected failure. Controller continues to operate with full
control and full view. Soft failures are alarmed to the operator. FTE is
monitored by the FTE System Management Tool.
• Soft failure on the synchronized primary controller does not trigger
a switchover to the backup controller.
• Soft failure on the backup controller does not result in a loss-of-
synchronization.
• Soft failure on a non-redundant controller does not result in loss-of-
control or loss-of-view.

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Honeywell Experion C300 Specifications

General IconGeneral
BrandHoneywell
ModelExperion C300
CategoryController
LanguageEnglish

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