Siemens SITRANS LG250 Operating Instructions Manual page 69

Output variable
Output signal
Range of the output signal
Fulfilled HART specification
Signal resolution
Failure signal current output (adjustable) ≥ 21 mA, ≤ 3.6 mA
Max. output current
Starting current
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
Failure signal current output (adjustable) Last valid measured value, ≥ 21 mA, ≤ 3.6 mA
Max. output current
Starting current
Load
Damping (63 % of the input variable),
adjustable
Indication value - DIsplay and adjustment module
Ʋ Displayed value 1
Ʋ Displayed value 2
Resolution, digital
The output values can be assigned individually
2)
The indication values can be assigned individually
3)
The indication values can be assigned individually
4)
PBD-51041387
4 ... 20 mA/HART
3.8 ... 20.5 mA/HART (default setting)
7
0.3 µA
21.5 mA
≤ 10 mA for 5 ms after switching on, ≤ 3.6 mA
see load diagram under Power supply
0 ... 999 s
Linearised percentage value, level
Distance to the level
Measurement certainty, 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
21.5 mA
≤ 10 mA for 20 ms after switching on, ≤ 3.6 mA
Load resistor, see chapter "Voltage supply"
0 ... 999 s
4)
Filling height Level
Electronics temperature
< 1 mm (0.039 in)
SITRANS LG250 - Operating Instructions
2)
69