The ESP32 IoT LAN device is an integrated, industrial control and data acquisition suite 08 Digital Input 24VDC, 01 RS485 Modbus RTU port, 01 control relay, 01 alarm contact (Alarm Contact) and Real-time RTC. Devices that support connection LAN Ethernet and LoRa 3–8 km, allows monitoring and collecting data from sensors, PLCs, electricity meters, flow, pressure... Data is transmitted to Cloud, SCADA or Web/App for remote monitoring, warning and control. Suitable for problems of incident warning, output counting, device status monitoring and industrial IoT systems.
IoT Gateway (model: MEI_MT03)
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IoT Gateway (model: MEI_MT03)
The ESP32 IoT LAN device is an industrial control and data acquisition unit, designed for remote monitoring applications in factories, pumping stations, water supply systems, energy, smart buildings and IoT projects. The device uses an ESP32 microcontroller combined with a LAN Ethernet connection, ensuring stable, high-speed data transmission and continuous operation.
Equipment is equipped 08 Digital Input channels 24VDC to monitor the status of sensors, limit switches, fault contacts, PLCs and industrial signals. 01 RS485 port Supports Modbus RTU protocol allowing connection of electricity meters, water meters, pressure sensors, flow, temperature, humidity, water level, inverters and many other measuring devices.
In addition, integrated equipment 01 control relay Serving to turn on/off devices remotely or according to schedule, together 01 alarm contact output (Alarm Contact) to activate horns, warning lights or transmit signals to PLC and SCADA when problems occur. RTC (Real-Time Clock) helps keep accurate time, supports event logging, statistics and control scheduling even during power outages.
The device is also integrated LoRa with communication range 3–8 km (depending on deployment conditions), allowing the connection of wireless sensors at long distances, reducing cabling costs and expanding the monitoring system to a large area.
Data is transmitted to the Cloud platform, SCADA or internal server via LAN Ethernet, supporting real-time monitoring on the Web and mobile applications, displaying graphs, saving history, statistics and sending instant alerts.
Typical applications:
Monitor the status of pumps, motors, fans, valves, electrical cabinets and production lines.
Warning about power loss, connection loss, machine stoppage, overvoltage, overheating, sensor error, PLC or inverter error.
Count output, count products, count Encoder pulses, optical sensors and number of device operations.
Collect data from sensors and Modbus RTU devices.
Control Relay by schedule, by threshold or remotely via Web/App.
Record events in real time and export reports for management and maintenance.
With industrial design, flexible scalability and support for many communication standards, the ESP32 IoT LAN device is an effective solution for monitoring, warning, data collection and remote control problems, contributing to improving operational efficiency and promoting digital transformation in businesses.
TECHNICAL SPECIFICATIONS
ESP32 IoT LAN DEVICE – INDUSTRIAL MONITORING AND DATA COLLECTION SET
The ESP32 IoT LAN device is a data collector and industrial control unit developed on the high-performance ESP32 microcontroller platform. The device integrates many communication and I/O standards, meeting the problems of monitoring, warning, control and data collection in factories, water supply systems, energy, smart buildings and technical infrastructure.
With a high-speed Ethernet LAN connection, data is continuously transmitted to the Cloud system, SCADA or internal server, allowing users to remotely monitor and control via the Web or mobile application.
Outstanding features
High performance ESP32 microcontroller, stable operation 24/7.
High-speed Ethernet LAN connection, stable data transmission.
08 Digital Input channels 24VDC Monitor industrial equipment status.
01 RS485 port Supports Modbus RTU to connect sensors, PLCs, inverters, electricity meters, flow meters...
01 control relay remote or scheduled devices.
01 alarm contact output (Alarm Contact) to activate horns, lights or transmit warning signals to other systems.
RTC (Real-Time Clock) Built-in, keeps accurate time even when power is lost.
Integrated LoRa communication with distance 3–8 km (depending on deployment conditions), helps connect sensors and devices in remote locations without pulling cables.
Real-time data and event logging.
Supports control by schedule, by condition or by automatic scenario.
Supports Cloud, Web, App, SCADA connection and centralized management system.
Industrial design, high reliability, suitable for continuous operation.
Connectivity
Digital Input 24VDC
08 channels receive 24VDC digital signals.
Monitor the ON/OFF status of the device.
Receive signals from sensors, limit switches, relay contacts, PLCs, inverters and industrial devices.
RS485 Modbus RTU
Connects to many types of devices such as:
Electric clock.
Water meter.
Pressure sensor.
Flow sensor.
Temperature and humidity sensor.
Water level sensor.
PLC.
Inverter.
Industrial measuring equipment.
Relay Output
Control on/off device.
Scheduled control.
Threshold control.
Control from Web/App.
Control according to automatic scenarios.
Alarm Contact
Warning contacts are used to:
Activate the siren.
Activate the warning light.
Report problems to PLC or SCADA.
Activate the external alarm system.
Real-time RTC
Save the exact time.
Event logging.
Time stamp the data.
Schedule automatic control.
Maintains time when power is lost.
LoRa Communications
Transmission distance 3–8 km (ventilated environment).
Low energy consumption.
Connect multiple wireless sensors.
Suitable for distributed measurement points.
Reduce signal cabling costs.
Expand IoT system on a large scale.
Applied math problems
Monitor device status
Pump.
Engine.
Industrial fan.
Electric valve.
Air compressor.
Electrical cabinet.
PLC.
Production line.
Warning system
Power loss warning.
Phase loss warning.
Overvoltage and undervoltage alerts.
Overheat warning.
Abnormal pressure warning.
Water level warning.
Door open warning.
Fire alarm warning.
Burglar alarm.
Warning the device stops working.
Warning about loss of communication connection.
Sensor error warning.
Inverter error warning.
PLC error warning.
Counting problem
Counting line output.
Count products.
Count the number of bags.
Count the number of bottles.
Count the number of boxes.
Count the number of door opening/closing times.
Count the number of vehicle turns.
Count the number of times the device is operated.
Count Encoder pulses.
Count optical sensor pulses.
Count the machine's operating cycles.
Collect data
Temperature.
Humidity.
Pressure.
Flow.
Water level.
Electricity.
Water meter.
Electric clock.
Modbus RTU sensors.
Remote control
Relay control.
Start/Stop the device.
Scheduled control.
Threshold control.
Control over time.
Controlled by sensor data.
Control via Web or App.
Centralized monitoring
Display real-time data.
Intuitive dashboard.
Historical chart.
Event log.
Production statistics.
Statistics of operating time.
Report by hour, day, month and year.
Manage multiple devices on the same platform.
Application field
Manufacturing factory.
Water supply system.
Pump station.
Wastewater treatment system.
Food factory.
Pharmaceutical factory.
Beverage factory.
HVAC system.
Smart building (BMS).
Solar energy.
Power station.
Smart farm.
Cold storage.
Warehouse.
Technical infrastructure system.
Industrial IoT projects.
Benefits brought
Reduce operating and labor costs.
Detect problems early, reduce machine downtime.
Centralized monitoring anytime, anywhere.
Increase system reliability and safety.
Easily expandable when adding sensors or devices.
Optimize management, maintenance and operations.
Improve production efficiency and digital transformation in businesses.
Technical specifications are subject to change.
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