Siemens SITRANS P DS III Operating Instructions Manual page 119

DV Measuring BAD
mode
3 Pressure Analog-to-
(untrimmed) digital converter
in
over/underrang
e, DV1 sensor
breakage,
DV2 = BAD,
fault in
linearization
4 Level If DV0 = BAD
5 Volume DV0 = BAD,
Characteristic
curve is faulty
6 Mass DV5 = BAD
7 Volumetric DV0 = BAD,
flow characteristic
curve is faulty
(not absolute
and gauge
pressure)
8 Mass flow rate DV5 = BAD
(not absolute
and gauge
pressure)
9 Users DV0 = BAD,
Characteristic
curve is faulty
If you use falling characteristic curves in the blocks, the meanings of HIGH LIMIT and LOW
LIMIT are swapped around.
If you mix falling and rising characteristic curves, the meanings will be swapped each time a
falling characteristic curve is run.
SITRANS P DS III with HART
Operating Instructions, 06/2013, A5E00047092-09
MANUAL UNCERTAIN
- Analog-to-digital
converter in
overrange/underran
ge, DV3 more than
20% outside the
sensor limits
DV2 = MANUAL
When DV0= UNCERTAIN
DV0 is
simulated
When DV0 = UNCERTAIN,
DV0 is input value is
simulated outside the specified
characteristic curve
range
When DV5= UNCERTAIN
DV0 is
simulated
When DV0 = UNCERTAIN,
DV0 is input value is
simulated outside the specified
characteristic curve
range
When DV5= UNCERTAIN
DV0 is
simulated
When DV0 = UNCERTAIN,
DV0 is input value is
simulated outside the specified
characteristic curve
range
Operating functions through HART
7.3 Selecting the measuring modes
CONSTANT HIGH LIMIT
- Analog-to-
digital
converter in
overrange
DV not DV0 =
active HIGH LIMIT
Characteristi DV4 =
c curve is HIGH LIMIT,
faulty Characteristic
curve for
DV not
maximum
active
value with
gradient 0
DV not DV5 =
active, HIGH LIMIT
DV5 =
CONSTANT
Characteristi DV4 =
c curve is HIGH LIMIT,
faulty, Characteristic
curve for
DV not
maximum
active
value with
gradient 0
DV not DV5 =
active #HIGH LIMIT
DV5 =
CONSTANT
Characteristi DV0 =
c curve is HIGH LIMIT,
faulty Characteristic
curve for
DV not
maximum
active
value with
gradient 0
LOW LIMIT
Analog-to-
digital
converter in
underrange
DV0 =
LOW LIMIT
DV4 =
LOW LIMIT,
Characteristic
curve for
minimum value
with gradient 0
DV5 =
LOW LIMIT
DV4 =
LOW LIMIT,
Characteristic
curve for
minimum value
with gradient 0
DV5 =
LOW LIMIT
DV0 =
LOW LIMIT,
Characteristic
curve for
minimum value
with gradient 0
119