EB 8384-4 EN 77
Status and diagnostic alarms
Fig. 25 · Status and diagnostic alarms
Event
Con-
densed
status ?
Yes
No
Default settings
Status
Diagnostics
Diagnostics
Good / No alarm
Maintenance required DIA_MAINTENANCE
Maint. demanded DIA_MAINTENANCE_ DEMANDED
Maintenance alarm DIA_MAINTENANCE_ALARM
Process related DIA_INV_PRO_COND
Function check DIA_FUNCTION_CHECK
Good ok
Good Maintenance demanded
Uncertain Maintenance demanded
Bad Maintenance alarm
Uncertain Process related, no maintenance
Bad Process related, no maintenance
Bad Function check
Good Function check
Diagnosis
(condensed state)
Automation system,
visualization/operator
------------------------------
Maintenance req.
Maintenance dem.
Maintenance alarm
Measured value status
CHECKBACK acyclic
CHECKBACK cyclicSelect
Status
Display, engineering
tool, plant asset
management tool etc.
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