Siemens SITRANS LG250 Operating Instructions Manual page 61

Output variable
Output signal
Range of the output signal
Fulfilled HART specification
Signal resolution
Fault signal, current output (adjustable)
Max. output current
Starting current
Ʋ for 5 ms after switching on
Ʋ for run-up time
Load
Damping (63 % of the input variable),
adjustable
HART output values according to HART 7 (default setting)
Ʋ First HART value (PV)
Ʋ Second HART value (SV)
Ʋ Third HART value (TV)
Ʋ Fourth HART value (QV)
Indication value - Display and adjustment module
Ʋ Displayed value 1
Ʋ Displayed value 2
Resolution, digital
Output variable - Additional current output
For details on the operating voltage see chapter "Voltage supply"
Output signal
Range of the output signal
Signal resolution
Fault signal, current output (adjustable)
Max. output current
Starting current
Ʋ for 20 ms after switching on
Ʋ for run-up time
Load
The output values can be assigned individually.
2)
The indication values can be assigned individually.
3)
PBD-51041048
4 ... 20 mA/HART
3.8 ... 20.5 mA/HART (default setting)
7
0.3 µA
Last valid measured value, ≥ 21.0 mA, ≤ 3.6 mA
In order to detect the rarely occurring hardware failures
in the device, we recommend monitoring both interfer-
ence values (≥ 21.0 mA, ≤ 3.6 mA)
21.5 mA
≤ 10 mA
≤ 3.6 mA
see load under Power supply
0 ... 999 s
Linearised percentage value, level
Distance to the level
Measurement reliability, level
Electronics temperature
3)
Filling height Level
Electronics temperature
< 1 mm (0.039 in)
4 ... 20 mA (passive)
3.8 ... 20.5 mA (default setting)
0.3 µA
Last valid measured value, ≥ 21.0 mA, ≤ 3.6 mA
In order to detect the rarely occurring hardware failures
in the device, we recommend monitoring both interfer-
ence values (≥ 21.0 mA, ≤ 3.6 mA)
21.5 mA
≤ 10 mA
≤ 3.6 mA
Load resistor, see chapter "Voltage supply"
SITRANS LG250 - Operating Instructions
2)
61