1. නිෂ්පාදන අවසන්view
The Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module is a high-performance control unit designed for industrial automation and IoT applications. It integrates an ESP32-S3 microcontroller, offering robust wireless communication capabilities (Wi-Fi and Bluetooth LE), multiple isolation protection circuits, and versatile connectivity options including isolated RS485 and an Ethernet port with optional Power over Ethernet (PoE).
This module features 8 high-quality relays and 8 digital inputs, making it suitable for controlling various devices and monitoring industrial signals. Its design emphasizes reliability and safety in demanding environments.
2 ප්රධාන ලක්ෂණ
- ESP32-S3 Microcontroller: Equipped with an Xtensa 32-bit LX7 dual-core processor, operating at up to 240 MHz for efficient processing.
- රැහැන් රහිත සම්බන්ධතාවය: Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode communication for flexible network integration.
- 8-Channel Relays: High-quality relays with a contact rating of ≤10A 250V AC / 30V DC, suitable for various loads.
- 8-Channel Digital Inputs: Supports both passive (dry contact) and active (wet contact) digital inputs with bi-directional optocoupler isolation.
- Isolated RS485 Interface: For reliable connection to Modbus industrial modules or sensors, featuring hardware automatic control and protection circuits (TVS diode, surge protection, ESD protection).
- ඊතර්නෙට් වරාය: Onboard W5500 Ethernet chip for 10/100Mbps network communication.
- ඊතර්නෙට් හරහා බලය (PoE): Optional version supports IEEE 802.3af standard for combined power and data over a single Ethernet cable.
- නම්යශීලී බල ආදානය: Supports USB Type-C (5V) for power, debugging, and firmware, and a wide 7-36V DC screw terminal input for industrial applications.
- RTC Chip: Onboard Real-Time Clock for scheduled tasks and time-sensitive operations.
- Multiple Isolation Protection: Includes optocoupler isolation, power isolation, and digital isolation to prevent interference and ensure stable operation.
- තත්ව දර්ශක: Built-in RGB LED, PWR, TXD, and RXD indicators for monitoring device status.
- සංවෘත: Rail-mounted ABS protective case for easy installation and enhanced safety.
3. පැකේජ අන්තර්ගතය
පැකේජය විවෘත කිරීමෙන් පසු සියලුම අයිතම පවතින බවත් හොඳ තත්ත්වයේ පවතින බවත් තහවුරු කර ගන්න.
- ESP32-S3-POE-ETH-8DI-8RO Module x 1
- 2.4G 4dBi SMA Antenna x 1
- ඉස්කුරුප්පු නියන x 1
4. පිහිටුවීම සහ ස්ථාපනය
4.1 බල සැපයුම් සම්බන්ධතාවය
මොඩියුලය බහු බල ආදාන ක්රම සඳහා සහය දක්වයි:
- USB Type-C: Connect a 5V USB power source to the USB Type-C port for power, debugging, and firmware uploading.
- ඉස්කුරුප්පු පර්යන්තය: Connect a 7-36V DC power supply to the designated screw terminals. Ensure correct polarity.
- ඊතර්නෙට් හරහා බලය (PoE): For the PoE version, connect an 802.3af compliant PoE switch or router to the Ethernet port. This provides both power and network connectivity through a single cable.
4.2 ජාල සම්බන්ධතාවය
- Wifi: Attach the provided 2.4G SMA antenna to the external antenna connector. Configure Wi-Fi settings via firmware.
- බ්ලූටූත් LE: The module supports Bluetooth LE for short-range wireless communication.
- ඊතර්නෙට්: Connect a standard Ethernet cable to the RJ45 port for wired network access.
4.3 රිලේ සම්බන්ධතා
The module provides 8 relay channels. Each relay has Normally Open (NO) and Common (COM) contacts. Refer to the diagram for wiring examples.
4.4 Digital Input Connections
The 8 digital inputs support both passive (dry contact) and active (wet contact) signals. Ensure proper wiring based on the sensor type.
4.5 RS485 අතුරු මුහුණත
Connect RS485 devices (e.g., Modbus modules, sensors) to the isolated RS485 screw terminals. The interface features hardware automatic control for data direction and includes protection circuits.
4.6 කොටුව සහ සවි කිරීම
The module is housed in a rail-mounted ABS protective case, designed for easy installation in industrial control cabinets using a 35mm DIN rail.
5. මෙහෙයුම් උපදෙස්
5.1 මූලික බලගැන්වීම සහ වින්යාසය
After connecting the power supply, the PWR LED should illuminate. The module can be configured via its Wi-Fi interface (AP mode), Ethernet, or through a serial connection via the USB Type-C port. Refer to the Waveshare Wiki for detailed programming and configuration guides.
5.2 රිලේ පාලනය
The 8 relays can be controlled programmatically via the ESP32-S3 microcontroller. This allows for switching AC or DC loads based on logic defined in the firmware.
5.3 Digital Input Monitoring
Monitor the status of the 8 digital inputs to detect external events from sensors, switches, or other industrial signals. The bi-directional optocoupler isolation ensures signal integrity and protection.
5.4 RS485 සන්නිවේදනය
Utilize the isolated RS485 interface for communication with other industrial devices, typically using the Modbus protocol. This enables data exchange and control within an industrial network.
5.5 Firmware Upload and Debugging
Connect the module to a computer via the USB Type-C port. Use the appropriate development environment (e.g., Arduino IDE, ESP-IDF) to upload custom firmware and debug applications.
6. Board Layout and Components
Understanding the board layout is crucial for proper connection and operation. The following diagrams highlight key components and their functions.
6.1 ඉහළ View
- ESP32-S3-WROOM-1U-N16R8 (ESP32-S3 module)
- 8-channel quality relays
- Optocoupler isolation for relays
- RESET බොත්තම
- PoE header (for PoE module)
- BOOT බොත්තම
- බල IC
- Digital isolation
- Power supply isolation
- Bi-directional optocoupler isolation
- RTC බැටරි රඳවනය
- බසර්
- Digital input screw terminals
- Pin header (for other devices)
- LED indicators (PWR, RXD, TXD)
- USB Type-C සම්බන්ධකය
- WS2812 RGB LED
- ඊතර්නෙට් වරාය
- බාහිර ඇන්ටෙනා සම්බන්ධකය
- Power supply screw terminal
- RS485 සන්නිවේදන අතුරුමුහුණත
- RS485 matching resistor jumper
- Relay screw terminals
6.2 පහළ View
- Onboard TVS (Transient Voltage Suppressor)
- RS485 conversion chip
- MP1605GTF-Z (DC-DC power module)
- PCF85063ATL (RTC chip)
- TCA9554PWR (GPIO expansion chip)
- W5500 (Ethernet chip)
- TF කාඩ්පත් තව්
7. පිරිවිතර
| ප්රවර්ගය | පරාමිතිය | වටිනාකම |
|---|---|---|
| ක්ෂුද්ර පාලකය | මොඩියුලය | ESP32-S3-WROOM-1U-N16R8 (ESP32-S3) |
| ප්රොසෙසරය | Xtensa 32-bit LX7 dual-core, up to 240 MHz | |
| රැහැන් රහිත සන්නිවේදනය | Wifi | 2.4GHz (802.11 b/g/n) |
| බ්ලූටූත් | බ්ලූටූත් 5, BLE | |
| USB | සම්බන්ධකය | USB Type-C |
| බල සැපයුම | 5V | |
| Isolated Communication Interface | අතුරු මුහුණත | RS485 |
| ආරක්ෂාව | TVS diode, surge protection & ESD protection | |
| ඊතර්නෙට් අතුරුමුහුණත | වරාය | PoE Ethernet port (IEEE 802.3af standard for PoE version) |
| ඩිජිටල් ආදානය | ආදාන නාලිකා | 8 |
| ආදාන වෙළුමtage | 5V-36V | |
| ආදාන වර්ගය | Passive input / active input (NPN or PNP type) | |
| හුදකලා වර්ගය | Bi-directional optocoupler isolation | |
| රිලේ | රිලේ නාලිකා | 8 |
| සම්බන්ධතා ශ්රේණිගත කිරීම | ≤10A 250V AC / 30V DC | |
| සම්බන්ධතා පෝරමය | 1NO 1NC | |
| ඒකලනය | දෘෂ්ටි කප්ලර් හුදකලාව | |
| LED දර්ශක | RGB | Programmable color LED |
| පීඩබ්ලිව්ආර් | රතු බල දර්ශකය | |
| TXD | Green TX indicator | |
| RXD | Blue RX indicator | |
| Power Supply Screw Terminal | වෙළුමtagඊ පරාසය | 7-36V |
| පෙනුම | සංවෘත | Rail-mount ABS protective case |
| මානයන් | 175 × 90 × 40 (මි.මී.) |
8. නඩත්තු කිරීම
The Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module is designed for robust industrial use. To ensure its longevity and reliable operation:
- පාරිසරික තත්ත්වයන්: Operate the module within specified temperature and humidity ranges. Avoid exposure to excessive dust, moisture, or corrosive substances.
- පිරිසිදු කිරීම: අවශ්ය නම්, මෘදු වියළි රෙද්දකින් මොඩියුලයේ බාහිර කොටස මෘදු ලෙස පිරිසිදු කරන්න. දියර පිරිසිදු කරන්නන් හෝ ද්රාවක භාවිතා නොකරන්න.
- ස්ථිරාංග යාවත්කාලීන කිරීම්: Regularly check the Waveshare Wiki for firmware updates to ensure optimal performance and access to new features.
- සම්බන්ධතා: Periodically inspect all screw terminal connections to ensure they are secure and free from corrosion.
9. දෝශ නිරාකරණය
If you encounter issues with your Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module, consider the following troubleshooting steps:
- බලය නැත:
- Check if the power supply (USB-C or 7-36V terminal) is correctly connected and providing the specified voltage.
- Ensure the PWR LED is illuminated. If not, verify the power source.
- For PoE versions, confirm the Ethernet cable is connected to an active PoE switch/injector.
- No Network Connectivity (Wi-Fi/Ethernet):
- Wifi: Ensure the antenna is securely attached. Verify Wi-Fi credentials and network availability. Try resetting the module.
- ඊතර්නෙට්: Check the Ethernet cable connection. Confirm the network switch/router is operational.
- Relays Not Actuating:
- Verify the control logic in your firmware.
- Check the power supply to the module and the load connected to the relay.
- Ensure the load current and voltage do not exceed the relay's contact rating.
- Digital Inputs Not Responding:
- Confirm correct wiring for passive (dry contact) or active (wet contact) sensors.
- Check the sensor's functionality independently.
- ආදාන පරිමාව තහවුරු කරන්නtage range for active inputs (5V-36V).
- RS485 Communication Issues:
- Check wiring polarity (A/B).
- Ensure the RS485 matching resistor jumper is correctly set if needed.
- Verify baud rate and communication parameters in your software.
For further assistance, consult the official Waveshare Wiki resources or contact Waveshare technical support.
10 සහාය සහ සම්පත්
Waveshare provides comprehensive resources to assist users with their products:
- Official Wiki: The Waveshare Wiki is the primary source for detailed documentation, programming guides, sample code, and technical specifications. Visit the Waveshare store page and look for the Wiki link.
- තාක්ෂණික සහාය: For specific technical inquiries or issues not covered in the documentation, please contact Waveshare customer support through their official channels.
10.1 වගකීම් තොරතුරු
Warranty terms and conditions for this product are provided by Waveshare. Please refer to the product packaging or the official Waveshare webසවිස්තරාත්මක වගකීම් තොරතුරු සඳහා අඩවිය.
