Specifications - Siemens sitrans LR 400 Instruction Manual

Specifications

Siemens Milltronics makes every attempt to ensure the accuracy of these
Note:
specifications, but reserves the right to change them at any time.
SITRANS LR 400
Power
• Power Supply
• Fuse (both AC and DC versions)
Performance
• Frequency
• Measuring range
Measured value error (under reference conditions)
• Measuring error
1
• Dead band
• Additional contribution of
analog output
• Long-term stability
• Repetitive accuracy
Interface
• Analog output (Not applicable to PROFIBUS PA option)
signal range
upper limit
fail signal
load
• Digital output
function
1.
For solids applications, setting a dead band of 1 m is recommended because of
lower reflectivity and increased angles of repose.
2.
HART® is a registered trademark of HART Communication Foundation.
7ML19985JC02
120 to 230 V AC,
24 V DC, +25/-20%, 6 W
Power failure: bridge of at least 1 mains period (> 20 ms)
SI1
SI2
25 GHz nominal
0.35 to 50 m (1.15 to 164 ft)
≤ ± 5 mm (0.2") at 1 to 10 m (3.3 to 32.8 ft.) distance
≤ ± 15 mm (0.6") at 10 to 50 m (32.8 to 164 ft) distance
0 to 350 mm from bottom edge of flange
≤ 0.1%
≤ ± 1 mm/year
≤ ± 1 mm at 0 to 50 m, damping ≥ 1 s
4 to 20 mA
20 to 22.5 mA adjustable
3.6 mA; 22 mA; 24 mA or last value
Max. 600 Ω; for HART
Configurable as a device status or limit value
(level, volume, mass)
SITRANS LR 400 (Solids) – INSTRUCTION MANUAL
±
15%, 50/60 Hz, 6 W (12VA) or
Fast acting ceramic, 4 x 20 mm, 1A, 250 V AC
Slow-Blow, 4 x 20 mm, 0.63 A, 250 V AC
2
communication min. 230 Ω
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