Siemens SITRANS P DS III Operating Instructions Manual page 118

Operating functions through HART
7.3 Selecting the measuring modes
DV Device variable
PV Primary variable
SV Secondary variable
TV Tertiary variable
QV Quarternary variable
Figure 7-8 Device status dependency
Table 7- 2 Events which result in a change of status
DV Measuring BAD
mode
0 Pressure DV3 = BAD,
fault in
linearization
1 Sensor DV2 = BAD,
temperature analog-to-
digital converter
in
over/underrang
e, fault in
linearization
2 Electronics Analog-to-
temperature digital converter
in
over/underrang
e, fault in
linearization
118
MA
ME
MANUAL UNCERTAIN
When DV3 = UNCERTAIN
DV0 is
simulated
When DV1 more than 20%
DV1 is outside the sensor
simulated limits
DV2 = UNCERTAIN
DV2 = MANUAL
When DV2 more than 20%
DV2 is outside the sensor
simulated limits
Start-of-scale value
Full-scale value
CONSTANT HIGH LIMIT
- DV3 =
HIGH LIMIT
- Analog-to-
digital
converter in
overrange
- Analog-to-
digital
converter in
overrange
Operating Instructions, 06/2013, A5E00047092-09
LOW LIMIT
DV3 =
LOW LIMIT
Analog-to-
digital
converter in
underrange
Analog-to-
digital
converter in
underrange
SITRANS P DS III with HART