Tinycontrol LAN controller with relay v3.9 IoT (LK3.9)

Product detailed description

LK3.9 is a continuation of v3.5. 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 features but a different firmware series from v3.5 The device includes a built-in web server (like all LK versions) to view measurements and configure settings via a web browser. Key features: - 2 analog inputs with switchable range (measurements from 1 mV to 33 V): suitable for voltage, DC, AC (with additional sensors), pressure sensors, thermocouples, distance sensors, photoresistors for light measurement and many more. - 2 analog inputs with switchable range (measurement from 1 mV to 55 V): for voltage, DC, AC (with additional sensors), pressure sensors, thermocouples, distance sensors, photoresistors for light measurement and more. - 2 analog inputs for measurements up to 3.3V: for voltage and current measurements (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). - RS485 to MODBUS RTU converter bus (requires additional board): allows reading pre-configured devices and setting configurations to read any device using the Modbus protocol. - 4 logic inputs: as status sensors for door monitoring, infrared motion sensors, manual switching buttons with bistable mode, pulse counters for power meters and timers for reset inputs. - 1 relay (NO, C, NC). - 1 transistor output: supply voltage output, for controlling loads with current consumption up to 0.5A. - 4 outputs for relay/transistor switching in OC standard. - 4 PWM outputs from 50 Hz to 100 kHz. - Power supply voltage and board temperature measurement. - Ethernet communication (10/100Mb) with 802.3af PoE support. - Management via web interface. Key interface options via web interface: - Display sensor data in an admin or user panel with customizable layout. - Event configuration. - Configure event scheduling. - OLED display setup. - Configure MQTT client, HTTP client and SNMP. - Email notification settings. - Access management, firmware updates. - Configure local or network time (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: 66 × 79 × 40 mm (without DIN mounting) - Weight: 90 g - DIN rail mounting: yes (35 mm) MQTT Server features: - Data acquisition from LK sensors and visualization via graphs and reports. - Data filtering and MQTT messages: Format/Filter/Topic (e.g. control of one device based on measurements from another). - Task scheduling to manage high frequency events. - Remote control of LAN Controller via mobile app or website, regardless of network location. Main application areas: - IoT controller with automation functions - Controller for energy management - IoT environment monitoring - Home automation with the LK3.9 controller - Energy management in a smart home - IoT controller for temperature and humidity measurement - Control of solar installations and heat pumps - Power voltage monitoring and power supply switching - Remote control of electricity consumption - LAN controller with MQTT protocol support - AC and DC current measurement in IoT systems - Integration of environmental sensors 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. Monitoring battery voltage, power supplies and mains power outages. ISP watchdog to monitor Ethernet connections and device resets. Sending input statuses and environmental parameters overlaid on images from IP cameras (e.g. Dahua). INSTALLATION: Temperature monitoring and basic automation for central heating systems. Temperature and pressure monitoring for solar systems with basic automation. Monitoring of heat pump operation with data presentation on web graphs. Monitoring of supply voltage and automatic switching to backup sources. Remote monitoring of energy consumption via Modbus meters or pulse inputs. Remote device switching from a simple operator panel. Network (wired or wireless) transfer of commands between multiple LK devices. SMART HOME: Automated control based on time and specific settings, e.g. switching on the heating when the temperature drops below a set level. Remote control of outputs via mobile devices. Automated control of lighting or equipment based on schedule or remote commands. Combined control from wall switches and devices. Twilight switch function. RENEWABLE ENERGY: Monitoring of the performance of solar panels. Wind turbine power monitoring. Basic battery charging control. Measurement of DC power consumption. Measurement of AC power consumption and inverter production. AGRICULTURE: Monitoring and control of temperature and humidity in greenhouses. Cyclic control of feeders and other equipment in animal husbandry. Irrigation systems. Supported sensors and equipment: Analog inputs: AC voltage sensor: AC-meter. AC current sensors: SCT013-000, SCT-013-03. DC current sensors: ACS711EX_15, ACS711EX_30, ACS709_75, ACS711LC_12, ACS711LC_25, ACS711LC20, WCS1800. High DC voltage sensor (for PV, under development). Temperature sensor: PT1000 (with additional resistor). Flood sensor (water). Logic inputs: Magnetic door sensors. Electricity meters with pulse outputs. Rain sensors with pulse outputs. 1-Wire bus: Temperature sensor: DS18B20. I2C bus: Humidity Sensors: BME280, AM2320, HTS221, AM2301B, AHT20, AHT25. Particle sensors: SPS30, APM10 (PM1, PM2.5, PM4, PM10). CO2 sensors: SCD40, ACD10. OLED display: 0.96 inches. Serial port: GSM module. Particle sensors SPS30 and SDS011. CO2 sensors: MH-Z16, MH-Z19. PV inverters. Ultrasonic distance sensors. 2D and line scanners. RFID readers. Modbus port (via RS485 converter): SDM120M, SDM630M, SDM72D-M, Chint DTSU666. RDO-PRO-X. Epever Tracer. PV inverters: Sofarsolar and GTIL. Danfoss cooling controller: EKC 202C. Modbus TCP: Modbus master can read sensors connected to LK (tested with Siemens LOGO). HTTP client: Smart WiFi sockets with Tasmota firmware. Display sensor measurements on IP camera images.