Table 7-1 Events Which Result In A Change Of Status - Siemens SITRANS P300 Operating Instructions Manual

Operating functions via HART
7.4 Selecting the measurement type
Table 7-1 Events which result in a change of status
DV Measurement BAD
type
0 Pressure DV3=BAD, fault
in linearization
1 Sensor DV2 = BAD,
temperature analog-to-digital
converter in
over/underrange
, fault in
linearization
2 Electronics Analog-to-digital
temperature converter in
over/underrange
, fault in
linearization
3 Pressure Analog-to-digital
(untrimmed) converter in
over/underrange
, sensor
breakage DV1,
DV2=BAD, fault
in linearization
4 Level If DV0 = BAD
5 Volume DV0 = BAD
Characteristic
curve is faulty
6 Mass DV5 = BAD
7 Volume of DV0 = BAD
flow
Characteristic
(not absolute curve is faulty
and gauge
pressure)
8 Mass flow DV5 = BAD
rate
(not absolute
and gauge
pressure)
7-12
MANUAL UNCERTAIN
When DV0 DV3 =
is simulated UNCERTAIN
When DV1 DV1 more than
is simulated 20% outside the
sensor limits
DV2=
UNCERTAIN
DV2 = MANUAL
When DV2 DV2 more than
is simulated 20% outside the
sensor limits
- Analog-to-digital
converter in
overrange/under
range, DV3
more than 20%
outside the
sensor limits
DV2 = MANUAL
When DV0 DV0=
is simulated UNCERTAIN
When DV0 DV0=
is simulated UNCERTAIN
Input value is
outside the
specified
characteristic
curve range
When DV0 DV5=
is simulated UNCERTAIN
When DV0 DV0=
is simulated UNCERTAIN
Input value is
outside the
specified
characteristic
curve range
When DV0 DV5=
is simulated UNCERTAIN
CONSTANT HIGH LIMIT
- DV3 = HIGH
LIMIT
- Analog-to-
digital
converter in
overrange
- Analog-to-
digital
converter in
overrange
- Analog-to-
digital
converter in
overrange
DV not active DV0 = HIGH
LIMIT
Characteristic DV4 = HIGH
curve is faulty LIMIT
DV not active Characteristi
c curve for
maximum
value with
gradient 0
DV not active, DV5 = HIGH
LIMIT
DV5=CONST
ANT
Characteristic DV4 = HIGH
curve is faulty, LIMIT
DV not active Characteristi
c curve for
maximum
value with
gradient 0
DV not active DV5 = HIGH
LIMIT
DV5 =
CONSTANT
SITRANS P300 with HART communication
Operating Instructions, 06/2005, A5E00359579-02
LOW LIMIT
DV3 = LOW
LIMIT
Analog-to-
digital converter
in underrange
Analog-to-
digital converter
in underrange
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