Siemens SITRANS LG240 Operating Instructions Manual page 62

Lateral load with rod: ø 10 mm (0.394 in),
PFA coated
Max. tensile load with cable: ø 4 mm
(0.157 in), PFA coated
Torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing
Ʋ Aluminium/Stainless steel housing
Input variable
Measured variable
Min. dielectric constant of the medium
Ʋ Cable probes
Ʋ Rod probes
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
The output values can be assigned individually.
1)
The indication values can be assigned individually.
2)
62
4 Nm (3 lbf ft)
2 KN (450 lbf)
max. 10 Nm (7.376 lbf ft)
max. 50 Nm (36.88 lbf ft)
Level of liquids
ε ≥ 1.6
r
ε ≥ 1.6
r
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
2)
Filling height Level
Electronics temperature
< 1 mm (0.039 in)
SITRANS LG240 - Operating Instructions
1)
PBD-51041037