9
D
iagnosis
,
A
sset
M
anagement and service
9
.
1
M
aintaining
I
f the device is used correctly
,
no maintenance is required in normal
operation
.
9
.
2
M
easured value and event memory
T
he instrument has several memories which are available for
diagnosis purposes
.
T
he data remain even with voltage interruption
.
U
p to
70
,
000
measured values can be stored in the sensor in a ring
memory
.
E
ach entry contains date
/
time as well as the respective
measured value
.
S
tored values are for example
:
l
O
riginal sensor value
l
F
illing height
l
S
ignal current
l
M
eas
.
reliability
l
E
lectronics temperature
T
he requested values and recording conditions are set via a
PC
with
PACT
ware
/
DTM
or the control system with
EDD
.
D
ata are thus read
out and also reset
.
U
p to
500
events are automatically stored with a time stamp in the
sensor
(
non
-
deletable
).
E
ach entry contains date
/
time
,
event type
,
event description and value
.
E
vent types are for example
:
l
M
odi
fi
cation of a parameter
l
S
witching on and o
ff
times
l
S
tatus messages
l
E
rror messages
T
he data are read out via a
PC
with
PACT
ware
/
DTM
or the control
system with
EDD
.
T
he echo curves are stored with date and time and the corresponding
echo data
.
T
he memory is divided into two sections
:
E
cho curve of the setup
:
T
his is used as reference echo curve for the
measurement conditions during setup
.
C
hanges in the measurement
conditions during operation or buildup on the antenna can thus be
recognized
.
T
he echo curve of setup is stored via
:
l
PC
with
PACT
ware
/
DTM
l
C
ontrol system with
EDD
l
I
ndicating and adjustment module
M
easured value memory
E
vent memory
E
cho curve memory
VEGAPULS
62
standpipe version
•
F
oundation
F
ieldbus
35
9
D
iagnosis
,
A
sset
M
anagement and service
36510
-
EN
-
120301