Industrial ESP32-S3 controller 8DI 8DO PoE Ethernet RS485 CAN DIN Rail
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Industrial ESP32-S3 controller - 8x DI, 8x DO, PoE Ethernet, RS485, CAN
Advanced industrial controller based on the ESP32-S3 chip, equipped with 8 digital inputs and 8 digital outputs with full isolation, and an Ethernet port with PoE support. It offers RS485, CAN, Wi-Fi, and Bluetooth communication, ensuring reliability in automation and monitoring systems mounted on a DIN rail.
Key features:
- ESP32-S3 Xtensa 32-bit LX7 dual-core processor clocked at up to 240 MHz.
- 8 digital outputs: Darlington transistors, optical isolation, current up to 500 mA.
- 8 digital inputs: active and passive (NPN/PNP), bidirectional optical isolation.
- Ethernet port 10/100Mbps (W5500) with PoE power supply compliant with IEEE 802.3af.
- Isolated RS485 and CAN interfaces with TVS and ESD protection.
- Wireless connectivity Wi-Fi 2.4GHz and Bluetooth 5 (LE).
- Memory: 16MB Flash and 8MB PSRAM for demanding applications.
- Wide power supply range from 7V to 36V DC via screw terminal.
- Built-in RTC, TF card slot, buzzer, and programmable RGB LED.
- Protective housing with standard DIN rail mounting.
Isolated digital inputs and outputs
The controller offers 8 input channels supporting active and passive (PNP/NPN) signals with full optical isolation. 8 open-drain output channels based on Darlington transistors allow for direct relay control with a load of up to 500 mA per channel.
Network communication and PoE power
Thanks to the integrated PoE module, the device can be powered directly via an Ethernet cable. This eliminates the need for additional power cables, simplifying installation in distributed IoT systems and building automation.
Device construction and components
- ESP32-S3-WROOM-1U-N16R8: Dual-core, 16MB Flash, 8MB PSRAM
- W5500: Ethernet controller 10/100 Mbps
- TF card slot: Data and file storage
- Power module: DC-DC
- Optical isolation: Bidirectional for inputs
- CAN transceiver: Isolated communication interface
- TVS diodes: Surge protection
- RS485 transceiver: Isolated Modbus port
- Darlington transistors: Outputs up to 500mA
- Buzzer: Sound signaling
- TCA9554PWR: I/O expander for outputs
- RTC battery socket: Time backup (CR1220)
- DI/DO terminals: Screw terminals for inputs and outputs
- Ethernet port: PoE support
- External antenna: SMA connector for Wi-Fi/BT
- USB Type-C: Programming and communication
- WS2812 RGB LED: Programmable status LED
- Buttons: BOOT and RESET
- LED indicators: PWR, RXD, TXD (RS485/CAN)
- RS485 and CAN terminal: With 120R resistors (jumpers)
- Multifunction terminal: Logic level selection
Technical specification
- Microcontroller: ESP32-S3 (240 MHz)
- Digital inputs: 8 channels (5V~36V)
- Digital outputs: 8 channels (5V~40V, 500mA)
- Ethernet: 10/100M, PoE IEEE 802.3af
- RS485 / CAN: Isolated, TVS, ESD
- Power supply: 7~36V DC / PoE
- Connectivity: Wi-Fi 2.4GHz, BT 5 (LE)
- Memory: 16MB Flash, 8MB PSRAM
- Housing: For DIN rail
- Dimensions: 175 × 90 × 40 mm
Kit contents
- ESP32-S3-POE-ETH-8DI-8DO controller x1
- Antenna 2.4G 4DB SMA x1
- Mounting screwdriver x1
Safety
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