SITRANS LUT400 Ultrasonic Level Controller Series

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 1A at 250 V AC, non-inductive and 3A at 30 V DC • 2 SPST Form A, NO relays, rated 5A 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
Installation conditions
• Location	Indoor/outdoor
• Installation category	II
• Pollution degree	4
Ambient conditions
• Ambient temperature (enclosure)	-20 - +50 °C (-4 - +122 °F)
Design
Weight
• Enclosure with display lid:	1.3 kg (2.87 lbs)
• Enclosure with blank lid:	1.2 kg (2.65 lbs)
Material (enclosure)	Polycarbonate
Degree of protection
• Enclosure with display or blank lid:	IP65/Type 4X/NEMA 4X
• Enclosure 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 between transducer and transceiver	365 m (1 200 ft)
Displays and controls	60 x 40 mm (2.36 x 1.57 inch) removable LCD, 240 x 160 pixels resolution, operational up to 5 m from enclosure base
Programming
• Primary	4 Local push buttons
• 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 x 20 mm, Slow Blow, 0.25 A, 250 V
DC version	10...32 V DC, 10 W Fuse: 5 x 20 mm, Slow Blow, 1.6 A, 125 V
Certificates and approvals
General	CSAUS/C, CE, FM, UL listed, C-TICK
Hazardous
• Non-incendive (Canada)	CSAUS/C Class I, Div. 2, Groups A, B, C, D; Class II, Div. 2, Groups F, G; Class III

Files and software available to download:

Specifications
Manual
Communications Manual (HART)
Operating Instructions
MCERTS Certificate - 440
MCERTS Certificate - 430