User's Manual

Page 4 SITRANS LR 400 – INSTRUCTION MANUAL DRAFT 7ML19985FH01

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Specifications

SITRANS LR 400

Power

• Power Supply 120 to 230 Vac, ±15%, 50/60 Hz, 6W (12VA)

24 Vdc, +25/-20%, 6W

Power failure: bridge of at least 1 mains period (> 20 ms)

Fuse

• Fuse (both ac and dc versions)

SI1 Fast acting ceramic, 4 x 20 mm, 1A, 250 Vac

SI2 Slow-Blow, 4 x 20 mm, 0.63 A, 250 Vac

Interface

• Analog output (Not applicable to Profibus PA option)

Signal range 4 to 20 mA

Upper Limit 20 to 22.5 mA adjustable

Fail signal 3.6 mA; 22 mA; 24 mA or last value

Load Max. 600 Ω, for HART communication min. 230 Ω

• Digital Output

Function Configurable as a device status or limit value

(level, volume)

Signal type Relay, either NCC or NOC function

max. DC 50 V, max. 200 mA, rating max. 5 W.

Self-resetting fuse, R

= 9 Ω

• Electrical Isolation Outputs electrically isolated from the power supply and

from each other

• Display 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

•Operation4 optical control elements, finger activated, menu-guided

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.

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