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LAN controller with relay V3.9 (LK3.9)

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1 623 CZK 1 342 CZK without VAT

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Code: NJSGWL0076 PN: LK3.9 Warranty: 26 months
Výrobce: TINYCONTROL
 (TINYCONTROL MARCIN NOSEK)
ul.Mazowieckiego 7G, RADOM 26-600, Polsko
sklep@tinycontrol.pl
www.sklep.tinycontrol.pl
Tinycontrol LAN controller v3.9 LK3.9 is a continuation of the v3.5 series. It has the same API. It is recommended for typical monitoring and automation applications in IT environments. This version is... more
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Tinycontrol LAN controller v3.9

LK3.9 is a continuation of the v3.5 series. It has the same API. It is recommended for typical monitoring and automation applications in IT environments. This version is equipped with a faster ARM 32F407 processor. It has the same functions, but a different firmware series from version v3.5

The device contains a built-in web server (like all LK versions) for displaying measurements and configuring settings through a web browser.

Key Features:

  • 2 analog inputs with switchable range (measurement from 1 mV to 33 V): suitable for measuring voltage, DC current, AC current (with additional sensors), pressure sensors, thermocouples, distance sensors, photoresistors for light measurement and many others.
  • 2 analog inputs with switchable range (measurement from 1 mV to 55 V): for measuring voltage, DC current, AC current (with additional sensors), pressure sensors, thermocouples, distance sensors, photoresistors for light measurement and others.
  • 2 analog inputs for measurement up to 3.3 V: for measuring voltage and current (DC and AC via additional sensors) and 4-20mA converters.
  • I2C bus for connecting sensors via RJ12 connector: supports a wide range of I2C sensors (list below) and DS18B20 via 1-Wire bus.
  • Serial bus (UART).
  • Bus for RS485 converter - MODBUS RTU (requires additional board): enables reading of preconfigured devices and setting configurations for reading any device using Modbus protocol.
  • 4 logic inputs: as status sensors for door monitoring, infrared motion sensors, manual switching buttons with bistable mode option, pulse counters for electric meters and timers for input reset.
  • 1 relay (NO, C, NC).
  • 1 transistor output: power supply voltage output, for controlling loads with current consumption up to 0.5A.
  • 4 outputs for switching relays/transistors in OC standard.
  • 4 PWM outputs from 50 Hz to 100 kHz.
  • Power supply voltage and on-board temperature measurement.
  • Ethernet communication (10/100Mb) with 802.3af PoE support.
  • Management via web interface.

Key Interface Capabilities via Web Interface:

  • Display of sensor data in administrator or user panel with customizable layout.
  • Event configuration.
  • Action scheduling configuration.
  • OLED display settings.
  • MQTT client, HTTP client and SNMP protocol configuration.
  • Email notification settings.
  • Access management, firmware updates.
  • Local or network time configuration (NTP).

Technical Specifications:

  • Power supply voltage: 8÷55 V
  • Power consumption: 0.5 W
  • PoE support: Yes (802.3af) Mode A, passive Mode B with jumper
  • Interface: Ethernet 10/100 Mbit/s
  • Operating temperature range: -20 to +85 °C (non-condensing)
  • Dimensions: 66x79x40 mm (without DIN mounting)
  • Weight: 90 g
  • DIN rail mounting: Yes (35 mm)

Documentation: LAN Controller Documentation

  • MQTT Server: mqtt.ats.pl (proprietary solution extending LK device functionality; free for non-commercial users with single email login).

MQTT Server Functions:

  • Data collection from LK sensors and visualization through graphs and listings.
  • Data filtering and MQTT messages: Format/Filter/Topic (e.g., controlling one device based on measurements from another).
  • Task scheduling for managing high-frequency events.
  • Remote control of LAN Controller via mobile application or website, regardless of network location.

Main Application Areas:

  • IoT controller with automation functions
  • Controller for energy management
  • Environmental monitoring using IoT
  • Home automation with LK3.9 controller
  • Energy management in smart homes
  • IoT controller for temperature and humidity measurement
  • Solar installation and heat pump control
  • Power supply voltage monitoring and source switching
  • Remote electricity consumption control
  • LAN controller with MQTT protocol support
  • AC and DC current measurement in IoT systems
  • Environmental sensor integration with IoT controller
  • Device control via Ethernet and PoE
  • IoT controller with analog and digital inputs
  • Industrial automation management with LK3.9

Detailed Applications:

IT:

  • Temperature and humidity monitoring in server cabinets, ventilation and heating control.
  • Door access monitoring.
  • Battery voltage, power supply and mains power outage monitoring.
  • ISP watchdog for Ethernet connection monitoring and device resets.
  • Sending input states and environmental parameters overlaid on images from IP cameras (e.g., Dahua).

INSTALLATIONS:

  • Temperature monitoring and basic automation for central heating systems.
  • Temperature and pressure monitoring for solar systems with basic automation.
  • Heat pump operation monitoring with data presentation on internet graphs.
  • Power supply voltage monitoring and automatic switching to backup sources.
  • Remote energy consumption monitoring via Modbus meters or pulse inputs.
  • Remote device switching from simple operator panel.
  • Network (wired or wireless) command transmission between multiple LK devices.

SMART HOME:

  • Automated control based on time and specific settings, e.g., turning on heating when temperature drops below set level.
  • Remote output control via mobile devices.
  • Automated lighting or device control based on schedule or remote commands.
  • Combined control from wall switches and devices.
  • Twilight switch function.

RENEWABLE ENERGY:

  • Solar panel power monitoring.
  • Wind turbine power monitoring.
  • Basic battery charging control.
  • DC energy consumption measurement.
  • AC energy consumption and
Brand
Type specification :  Network specialties
Manufacturer :  TINYCONTROL
Technical specification
Max. operating temperature (°C) :  85
Min. operating temperature (°C) :  -20
Inputs and outputs
RJ-45 :  1
Warranty
Warranty period EU (months) :  26
Warranty period CRN (months) :  26
Physical properties
Color :  zelená
Weight (g) :  90
Dimensions :  79 × 66 × 40 mm
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