Specifications; Sitrans Lr 400 - Siemens SITRANS LR 400 Instruction Manual

Specifications

Note:
Siemens Milltronics makes every attempt to ensure the accuracy of these
specifications, but reserves the right to change them at any time. Please ensure these
are the most recent specifications. Contact your representative, or check our website
at www. milltronics.com for the most up-to-date information.

SITRANS LR 400

Power
• Power Supply
Fuse
• Fuse (both ac and dc versions)
Interface
• Analog output (Not applicable to Profibus PA option)
Signal range
Upper Limit
Fail signal
Load
• Digital Output
Function
Signal type
• Electrical Isolation
• Display
• Operation
Page 4 SITRANS LR 400 – INSTRUCTION MANUAL DRAFT
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120 to 230 Vac, 15%, 50/60 Hz, 6W (12VA)
or
24 Vdc, +25/-20%, 6W
Power failure: bridge of at least 1 mains period (> 20 ms)
SI1 Fast acting ceramic, 4 x 20 mm, 1A, 250 Vac
SI2 Slow-Blow, 4 x 20 mm, 0.63 A, 250 Vac
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 communication min. 230 Ω
Configurable as a device status or limit value
(level, volume)
Relay, either NCC or NOC function
max. DC 50 V, max. 200 mA, rating max. 5 W.
Self-resetting fuse, R
i
Outputs electrically isolated from the power supply and
from each other
LCD, two lines of 16 characters each,
configurable for the following displays:
level, volume, amplitude, digital output,
temperature, validity, signal-to-noise ratio
Multi–display: 2 freely selectable measured values are
displayed simultaneously
4 optical control elements, finger activated, menu-guided
= 9 Ω
7ML19985FH01