The Ebyte ECM50 Series is an industrial MicroPython-programmable IoT gateway powered by the ESP32-S3 processor with 8MB PSRAM, featuring multi-carrier wireless options (4G LTE, Wi-Fi, BLE, LoRa) and RS485/RS232 serial interfaces alongside 2DI, 2AI, and 2DO ports for robust Modbus RTU/TCP and MQTT cloud telemetry.
| Model / SKU | Main Processor | Serial Interface | Cellular 4G LTE Region | Onboard I/O Resources | Protocols & Software |
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| ECM50-A08 | ESP32-S3 (8MB PSRAM) | RS485 | Non-Cellular (Ethernet/Wi-Fi/LoRa) | 2DI + 2AI + 2DO | MicroPython, Modbus, MQTT, HTTP |
| ECM50-A08EU | ESP32-S3 (8MB PSRAM) | RS485 | Europe / Asia / Africa (4G LTE) | 2DI + 2AI + 2DO | MicroPython, Modbus, MQTT, HTTP |
| ECM50-A08LA | ESP32-S3 (8MB PSRAM) | RS485 | Latin America (4G LTE) | 2DI + 2AI + 2DO | MicroPython, Modbus, MQTT, HTTP |
| ECM50-A09EU | ESP32-S3 (8MB PSRAM) | RS232 | Europe / Asia / Africa (4G LTE) | 2DI + 2AI + 2DO | MicroPython, Modbus, MQTT, HTTP |
| ECM50-A09LA | ESP32-S3 (8MB PSRAM) | RS232 | Latin America (4G LTE) | 2DI + 2AI + 2DO | MicroPython, Modbus, MQTT, HTTP |
Core Features
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MicroPython Programmable: Features an ESP32-S3R8 processor with 8MB PSRAM, allowing users to write and execute custom edge-computing scripts to significantly reduce server load and development time.
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Unmatched Connectivity: Supports 4G LTE, Ethernet (RJ45), Wi-Fi, Bluetooth 5.0, and LoRa, ensuring reliable data transmission in both urban and remote environments.
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Rich Industrial Interfaces: Comes equipped with 2 Digital Inputs (DI), 2 Analog Inputs (AI), 2 Digital Outputs (DO), alongside standard RS485 or RS232 serial ports for universal sensor and PLC compatibility.
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Comprehensive Protocol Support: Natively supports Modbus RTU/TCP, MQTT, HTTP, and TCP/UDP, making cloud integration with platforms like AWS, Azure, or custom servers effortless.
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Rugged Industrial Design: Built to withstand harsh environments with wide voltage input and isolated communication ports, ideal for outdoor testing, smart grids, and heavy industry.
Customer Use Cases
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ECM50-A08EU: European Smart Manufacturing & Assembly Line Automation
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Industry & Environment: Automotive parts manufacturing plant in Germany.
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Usage: A factory manager needs to monitor the operational status of multiple PLCs and motor drives on an assembly line. They install the ECM50-A08EU gateway. Using its RS485 port, it easily daisy-chains to the existing Modbus RTU devices. The engineering team writes a custom MicroPython script to filter and average the data locally (edge computing) before pushing the critical alerts to an MQTT broker via the local Ethernet or the backup 4G (EU) network. The DO (Digital Output) ports are wired to a factory alarm beacon to instantly notify staff of any machine faults.
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ECM50-A09LA: Remote Hydrology & Water Conservancy in Latin America
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Industry & Environment: Remote reservoir and dam monitoring in Brazil.
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Usage: Environmental engineers must monitor water levels and quality in a rural reservoir where Wi-Fi and Ethernet are unavailable. They deploy the ECM50-A09LA. The analog inputs (AI) are connected directly to water level sensors, while legacy testing instruments interface via RS232. Because it is the "LA" version, the device reliably connects to local Latin American 4G cell towers to transmit hydrological data to the cloud via HTTP/MQTT. If the water level exceeds a critical threshold, the onboard logic triggers a digital output (DO) to automatically close a specific valve, preventing overflow.
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FAQ Section
1. How does the MicroPython runtime simplify edge computing on the ESP32-S3 chip?
The native MicroPython integration allows engineers to write Python scripts for data filtering, local protocol conversion, and automated threshold responses without complex C++ compilation pipelines. Supported by 8MB of PSRAM, the ESP32-S3 processor can parse incoming Modbus serial packets, perform edge math functions, and format payloads into JSON for MQTT transmission, significantly reducing cloud bandwidth costs and server processing overhead.
2. How do I select between the A08 and A09 model series and their regional cellular options?
Selection depends on your physical serial interface and regional network requirement. The A08 models provide RS485 differential serial connectivity for industrial bus networks, while the A09 models provide RS232 point-to-point connections for legacy instruments. The "EU" suffix covers 4G LTE bands in Europe, Asia, and Africa, the "LA" suffix targets Latin American cellular carrier bands, and the base model caters to wired Ethernet or local Wi-Fi/LoRa deployments.
3. What cloud platforms and protocol standards are natively supported by the gateway?
The ECM50 series supports universal industrial and IT network protocols including Modbus RTU, Modbus TCP, MQTT, HTTP, and raw TCP/UDP socket connections. This comprehensive protocol stack enables direct integration with public IoT cloud infrastructure (such as AWS IoT Core, Microsoft Azure IoT Hub, and Google Cloud IoT) or proprietary SCADA servers without requiring external protocol translation bridges.
