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Industrial 8-Channel ESP32-S3 WiFi Relay Module - RS485 Interface
4.277,00
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5.132,40
TL
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4.277,00
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5.132,40
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Industrial 8-Channel ESP32-S3 WiFi Relay Module - RS485 Interface
The Industrial 8-Channel ESP32-S3 WiFi Relay Module - RS485 Interface is an industrial-grade 8-channel WiFi network relay based on the ESP32-S3 main control unit, and supports WiFi, Bluetooth, RS485, network port, and other peripheral interfaces. It has built-in protection circuits such as power supply isolation and optocoupler isolation, which makes it safe, stable and reliable and suitable for the AIoT field.
Features
- SKU: 31130
- Integrated 2.4GHz WiFi and Bluetooth LE dual-mode wireless communication based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor with frequency up to 240MHz, superior RF performance
- High-quality relay, contact value: ≤10A 250V AC or ≤10A 30V DC
- Built-in isolated RS485 interface for connecting to various RS485 Modbus industrial modules or sensors
- Built-in GPIO pin header interface for expanding other devices such as RS232/sensors and other functions
- Built-in USB Type-C port for power supply, firmware download and debugging, making development easier
- Built-in power supply screw terminal supporting 7~36V wide voltage input, suitable for industrial applications
- Built-in optocoupler isolation to prevent interference from external high-voltage circuits connected to the relay to the control chip
- Built-in digital isolation to prevent external signal interference to the control chip
- Built-in integrated power isolation providing stable isolation. No extra power supply needed for the isolated terminal, voltage is low.
- Module operation Internal buzzer for monitoring status, RGB color LED, power supply and
- RS485 TX/RX indicators available.
- Rail-mounted ABS protective housing, easy installation, safe operation.
Package Contents
- ESP32-S3-ETH-8DI-8RO × 1
- 2.4G 4DB SMA Antenna × 1
- Screwdriver × 1
Technical Specifications
| Version | ESP32-S3-POE-ETH-8DI-8RO | ESP32-S3-POE-ETH-8DI-8RO-C | |
|---|---|---|---|
| Microcontroller | ESP32-S3 (Default module: ESP32-S3-WROOM-1U-N16R8, customizable for other modules) | ||
| Wireless communicatoin | 2.4GHz WiFi (802.11 b/g/n)、Bluetooth 5, BLE | ||
| USB | Connector | USB Type-C | |
| Power supply | 5V | ||
| Functions | Power supply, USB communication, firmware downloading, etc. | ||
| isolated comm interface | Interface | RS485 | CAN |
| Connector | Screw terminal | ||
| Direction control | Hardware automatic control | ||
| Protection | TVS diode, surge protection & ESD protection | ||
| Resistor | Onboard reserved 120R matching resistor, NC by default, enabled via jumper | ||
| Ethernet interface | PoE Ethernet port, supports IEEE 802.3af standard (for PoE port version only) | ||
| Digital input | Input channels | 8 | |
| Input voltage | 5V~36V | ||
| Input type | Passive input / active input (NPN or PNP type) | ||
| Isolation type | Bi-directional optocoupler isolation | ||
| Relay | Contact rating | ≤10A 250V AC / 30V DC | |
| Relay channels | 8 | ||
| Contact form | 1NO 1NC | ||
| Isolation | Optocoupler isolation | ||
| LED indicators | RGB | RGB colorful LED, supports programmable control of display color | |
| PWR | Red power indicator, lights up when there is USB connection and voltage is detected | ||
| TXD | Green TX indicator, lights up when the RS485/CAN port sends data | ||
| RXD | Blue RX indicator, lights up when the device port sends data back | ||
| power supply Screw terminal | Voltage range | 7~36V | |
| Appearance | Enclosure | Rail-mount ABS protective case | |
| Dimensions | 175×90×40 (mm) | ||
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