SITRANS LUT400 series

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SITRANS LUT400 is a compact single-point ultrasonic controller for continuous measurement of level or volume in liquids, slurries, and solids, as well as high-accuracy monitoring of open channel flow.

Zalo Hotline: 0961.67.69.69

Categories: Controllers, Level, Ultrasonic Tags: Công nghiệp hóa chất, Xử lý nước, Xử lý nước thải Brand: Siemens

Description
Specifications

Key Benefits

Compact 1/2 DIN design for easy installation on wall, pipe, DIN rail, or optional panel mounting
Display with 4 physical keys, intuitive menu navigation, and setup wizard for quick configuration
Multilingual support: English, German, French, Spanish, Chinese, Italian, Portuguese, Russian
Measures level, volume, and open channel flow (OCM)
Integrated 3 relays with flexible pump control and alarm functions
Supports HART communication, SIMATIC PDM, AMS Device Manager, Field Communicator 375/475, and FDT/DTM tools
Built-in web browser interface for simple configuration
2 digital inputs for backup level override and pump interlocking
View echo profiles and trend graphs directly on the display
Proprietary digital receiver for reliable performance in electrically noisy environments (e.g., near VFDs)
Real-time clock with daylight saving adjustment and data logging
Energy-saving algorithm for pump efficiency optimization
Removable terminal block simplifies wiring and maintenance
MCERTS certified for open channel flow applications

Product Versions

The SITRANS LUT400 series includes three models tailored to various application needs:

SITRANS LUT420 – Level Controller: Measures level or volume of liquids, slurries, and solids. Supports basic pump control and simple level data logging.
SITRANS LUT430 – Level, Pump, and Flow Controller: Includes all features of LUT420, adds open channel flow monitoring and advanced pump control.
SITRANS LUT440 – High Accuracy Version: Includes all features of LUT430, plus industry-leading accuracy (±1 mm within 3 m range), extended data logging, and enhanced control capabilities.

Typical Applications

Wet wells, storage tanks, flumes, weirs
Chemical or liquid storage facilities
Hoppers, crusher sumps, and dry solid bulk storage bins

Category	Specification
Mode of Operation	Ultrasonic level, volume, pump, and open channel flow
Measuring Range	0.3 … 60 m (1 … 196 ft), transducer dependent
Input
Discrete	0 … 50 V DC switching level Logical 0 ≤ 10 V DC Logical 1 = 10 … 50 V DC Max. 3 mA
Output
Transducer Frequency	10 … 52 kHz
Ultrasonic Transducer	Compatible transducers: All EchoMax and ST-H series transducers
Relays	• 1 SPDT Form C, NO or NC relay, rated 1 A at 250 V AC, non-inductive and 3 A at 30 V DC • 2 SPST Form A, NO relays, rated 5 A at 250 V AC, non-inductive and 3 A at 30 V DC
mA Output	4 … 20 mA, isolated
Max. Load	600 Ω max. in ACTIVE mode 750 Ω max. in PASSIVE mode
Resolution	0.1 % of range
Accuracy
Error in Measurement	• Standard operation: ±1 mm (0.04 inch) plus 0.17 % of measured distance • High accuracy OCM: ±1 mm (0.04 inch), within 3 m (9.84 ft) range
Resolution	• Standard operation: 0.1 % of range or 2 mm (0.08 inch), whichever is greater • High accuracy OCM: 0.6 mm (0.02 inch), within 3 m (9.84 ft) range
Temperature Compensation	• -40 … +150 °C (–40 … +300 °F) • Integral temperature sensor in transducer • External TS-3 temperature sensor (optional) • Programmable fixed temperature values
Rated Operating Conditions
Location	Indoor/outdoor
Installation Category	II
Pollution Degree	4
Ambient Conditions
• Ambient Temperature (Enclosure)	-20 … +50 °C (–4 … +122 °F)
• Storage Temperature	-20 … +50 °C (–4 … +122 °F)
Design
Weight	• Enclosure with display lid: 1.3 kg (2.87 lb) • Enclosure with blank lid: 1.2 kg (2.65 lb)
Enclosure Material	Polycarbonate
Degree of Protection	• With display or blank lid: IP65/Type 4X/NEMA 4X • With blank lid and knock-out removed: IP20 • Remote display lid: IP65/Type 3/NEMA 3
Cable
Transducer and mA Output Signal	• Transducer, mA output: 2 copper conductors, twisted, with foil shield/drain wire, 300 V 0.5 … 0.75 mm² (22 … 18 AWG) • Relay/power to be copper conductors per local requirements to meet 250 V, 5 A contact rating
Max. Separation (Transducer – Transceiver)	365 m (1,200 ft)
Displays and Controls
LCD	60 × 40 mm (2.36 × 1.57 inch) removable LCD, 240 × 160 pixels resolution, operational up to 5 m from enclosure base
Programming – Primary	4 local push buttons
Programming – Secondary	• PC running SIMATIC PDM • PC running Emerson AMS Device Manager • PC running a web browser • PC running a Field Device Tool (FDT) • Field Communicator 375/475 (FC375/FC475)
Memory	• 512 kB flash EPROM • 1.5 MB flash for data logging
Power Supply
AC Version	100 … 230 V AC ±15 %, 50/60 Hz, 36 VA Fuse: 5 × 20 mm, slow blow, 0.25 A, 250 V
DC Version	10 … 32 V DC, 10 W Fuse: 5 × 20 mm, slow blow, 1.6 A, 125 V
Certificates and Approvals
General	_CCSA_US, CE, UKCA, FM, UL Listed, RCM, EAC, KC, MCERTS
Hazardous – Non-incendive (Canada)	CSA Class I, Div. 2, Groups A, B, C, D; Class II, Div. 2, Groups F, G; Class III
Shipping	Lloyd’s Register, ABS
Communication	HART 7.0, USB

SITRANS LUT400 series

Key Benefits

Product Versions

Typical Applications

Related products

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