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control and automation

REGMIK product

Three-channel Level Controller LU3

Price
2,724 UAH
Availability
In stock
DevicesControllersLevel Controllers and Indicators

The three-channel level controller-indicator LU3 is used in systems with automatic filling or draining of tanks by hysteresis with an additional third input (can be used as emergency level). The device has four operating modes and can operate with the following sensor types: conductometric, "dry" contact, and open collector.

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Specifications

Description

Three-channel level controller-indicator (LU3) is designed for automation of technological processes related to control and regulation of liquid and bulk material levels, creation of automatic liquid level maintenance systems in tanks, storage vessels, etc. LU3 can operate with liquids of various electrical conductivity: distilled, tap, contaminated water, milk, and food products (weakly acidic, alkaline, etc.).

Sensor types

  • conductometric sensors;
  • "Dry" contact;
  • open collector.

Main functions of LU3

  • automatic filling of the tank with hysteresis to the set level;
  • automatic draining of the tank to the set level;
  • control of external actuators (pump);
  • light indication of the output device status;
  • changing device operating parameters (sensitivity).

The level controller-indicator is manufactured in a DIN-rail mount enclosure and in two power supply variants: from AC mains with nominal 110..240V or from DC supply source with nominal 12..24V.

Additional information

Modifications

Level Controller Modifications (LU)
LU[N1]-0x [N2]DU,[N3]SK /[N4]OK,[N5]R,[N6]OS,[N7]S,[N8]K - RS-485i - IPx– Dx
L4-03 4DU, 4SK/4R - RS-485i – IP24 – D6
LU 4 03 4DU 4SK 4R RS-485 IP24 D4
Device type: LU - level controller
[N1] - number of channels 2 3 4
0x - designation of number of output devices for LU4 02 - LU4 with 3 outputs 03 - LU4 with 2 outputs
[N2] - number of level sensors 2 3 4
[N3] - number of dry contact inputs (SK) (for selecting controller operating mode) 2 3 4
Number and types of output devices: [N4] - number of OK – open collector [N5] - number of R - relay [N6] - number of OS – optotriac [N7] - number of S – triac [N8] - number of K – key
Communication interface with PC: RS-485 RS-485i - possibility to manufacture devices with isolated RS-485
Device power supply type: IPI - power supply from AC network with nominal 90..240V IP24 - power supply from DC source with nominal 12..24V
Enclosure type: D4 - DIN-rail mount (enclosure width 70 mm) for devices: LU2, LU3, LU4-02 D6 - DIN-rail mount (enclosure width 105 mm) for device LU4-03

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Downloads

PDFRP2-U_(1_5).pdfPDFПаспорт на РУ3 (укр.)PDFПаспорт на РУ3 (рос.)

FAQ

Questions and answers

What sensor types does LU3 work with?
The LU3 level controller-indicator is compatible with conductometric sensors, "dry" contact, and open collector sensors.
Can LU3 be used for automatic pump control?
Yes, LU3 can control an external actuator, such as a pump, for automatic filling or draining the tank to the set level.
What liquids is the LU3 controller compatible with?
LU3 supports operation with liquids of various electrical conductivity: distilled, tap, contaminated water, milk, and food products (weakly acidic, alkaline).
What power supply options does LU3 have?
LU3 has two power supply options: from AC mains rated at 110..240V or from DC supply source of 12..24V.
What are the main functions of the LU3 controller?
The main functions of LU3 are: automatic filling or draining of the tank following hysteresis, control of actuators, sensitivity adjustment, and light indication of the output device status.

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