20
KH 8384-4 EN
Measured value status and valve diagnostics
Fig. 3 · Status and diagnostic alarms
Event
Con- densed state?
Yes
Diagnosis
Status
Good/No
m
essage
M
aintenance
required
D
IA_M
AINTENANCE
M
aintenance
demanded
D
IA_M
AINTENANCE_
DEMANDED
M
aintenanc
e
alarm
DIA_M
A
INTENANCE_ALAR
M
Process-related
fault/
O
ut
of
specification
DIA_
INV_
PRO_
COND
Function
check
D
IA_FUNCTION_CHECK
Diagn
osis
(condensed
state)
Measured
value
status
CHECKBACK
acyclic
CHECKBACK
cyclic
Automation
system,
visualization/operator
------------------------------ M
aintenance
required
M
aintenance
demanded
M
aintenance
alarm
Select
Display,
engineering
tool,
plant
asset
management
tool
etc.
No
Good
-O
K
Good
-M
aintenance
required
Good
-M
aintenance
demanded
Uncertain
-Maintenance
demanded
Bad
-M
aintenance
alarm
Uncertain
-P
rocess-related
fault/out
of
specification
(no
m
aintenance)
Function
check
-bad
function
check
Function
check
-good
function
check
Def
ault
values
Status
Diagnosis
Summary of Contents for 3730-4
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