คู่มือผู้ใช้โมดูลรีเลย์ WiFi ESP32-S3 8 ช่องสัญญาณสำหรับอุตสาหกรรมจาก Waveshare

1. สินค้าหมดview

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. คุณสมบัติหลัก

• ESP32-S3 Microcontroller: Equipped with an Xtensa 32-bit LX7 dual-core processor, operating at up to 240 MHz for efficient processing.
• การเชื่อมต่อไร้สาย: 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).
• พอร์ตอีเธอร์เน็ต: Onboard W5500 Ethernet chip for 10/100Mbps network communication.
• จ่ายไฟผ่านอีเทอร์เน็ต (PoE): Optional version supports IEEE 802.3af standard for combined power and data over a single Ethernet cable.
• แหล่งจ่ายพลังงานที่ยืดหยุ่น: 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.
• ตัวบ่งชี้สถานะ: Built-in RGB LED, PWR, TXD, and RXD indicators for monitoring device status.
• เอกสารแนบ: Rail-mounted ABS protective case for easy installation and enhanced safety.

3. เนื้อหาบรรจุภัณฑ์

ตรวจสอบให้แน่ใจว่าสินค้าทุกชิ้นครบถ้วนและอยู่ในสภาพดีก่อนเปิดบรรจุภัณฑ์

• ESP32-S3-POE-ETH-8DI-8RO Module x 1
• 2.4G 4dBi SMA Antenna x 1
• ไขควง x 1

4. การตั้งค่าและการติดตั้ง

4.1 การเชื่อมต่อแหล่งจ่ายไฟ

The module supports multiple power input methods:

• USB Type-C: Connect a 5V USB power source to the USB Type-C port for power, debugging, and firmware uploading.
• ขั้วต่อสกรู: Connect a 7-36V DC power supply to the designated screw terminals. Ensure correct polarity.
• จ่ายไฟผ่านอีเทอร์เน็ต (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 การเชื่อมต่อเครือข่าย

• ไวไฟ : Attach the provided 2.4G SMA antenna to the external antenna connector. Configure Wi-Fi settings via firmware.
• บลูทูธ LE: The module supports Bluetooth LE for short-range wireless communication.
• อีเธอร์เน็ต: Connect a standard Ethernet cable to the RJ45 port for wired network access.

4.3 การเชื่อมต่อรีเลย์

The module provides 8 relay channels. Each relay has Normally Open (NO) and Common (COM) contacts. Refer to the diagram for wiring exampเลส.

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 อินเตอร์เฟส RS485

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 ตัวเรือนและการติดตั้ง

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. คู่มือการใช้งาน

5.1 การเปิดเครื่องและการกำหนดค่าเบื้องต้น

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 การควบคุมรีเลย์

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 การสื่อสาร RS485

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 ด้านบน View

1. ESP32-S3-WROOM-1U-N16R8 (ESP32-S3 module)
2. 8-channel quality relays
3. Optocoupler isolation for relays
4. ปุ่มรีเซ็ต
5. PoE header (for PoE module)
6. ปุ่มบูต
7. ไอซีไฟฟ้า
8. Digital isolation
9. Power supply isolation
10. Bi-directional optocoupler isolation
11. ที่ใส่แบตเตอรี่ RTC
12. บัซเซอร์
13. Digital input screw terminals
14. Pin header (for other devices)
15. LED indicators (PWR, RXD, TXD)
16. ขั้วต่อ USB Type-C
17. WS2812 RGB LED
18. พอร์ตอีเทอร์เน็ต
19. ขั้วต่อเสาอากาศภายนอก
20. Power supply screw terminal
21. อินเทอร์เฟซการสื่อสาร RS485
22. RS485 matching resistor jumper
23. Relay screw terminals

6.2 ด้านล่าง View

24. ทีวีออนบอร์ด (Transient Voltage Suppressor)
25. RS485 conversion chip
26. MP1605GTF-Z (DC-DC power module)
27. PCF85063ATL (RTC chip)
28. TCA9554PWR (GPIO expansion chip)
29. W5500 (Ethernet chip)
30. ช่องเสียบการ์ด TF

7. ข้อมูลจำเพาะ

8. การบำรุงรักษา

The Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module is designed for robust industrial use. To ensure its longevity and reliable operation:

• สภาพแวดล้อม : Operate the module within specified temperature and humidity ranges. Avoid exposure to excessive dust, moisture, or corrosive substances.
• การทำความสะอาด: If necessary, gently clean the exterior of the module with a soft, dry cloth. Do not use liquid cleaners or solvents.
• อัพเดตเฟิร์มแวร์: Regularly check the Waveshare Wiki for firmware updates to ensure optimal performance and access to new features.
• การเชื่อมต่อ: Periodically inspect all screw terminal connections to ensure they are secure and free from corrosion.

9 การแก้ไขปัญหา

If you encounter issues with your Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module, consider the following troubleshooting steps:

• ไม่มีไฟฟ้า:
  • 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):
  • ไวไฟ : Ensure the antenna is securely attached. Verify Wi-Fi credentials and network availability. Try resetting the module.
  • อีเธอร์เน็ต: 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.
  • ตรวจสอบปริมาณอินพุตtage 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. การสนับสนุนและทรัพยากร

Waveshare provides comprehensive resources to assist users with their products:

• วิกิอย่างเป็นทางการ: 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.
• การสนับสนุนด้านเทคนิค: For specific technical inquiries or issues not covered in the documentation, please contact Waveshare customer support through their official channels.

10.1 ข้อมูลการรับประกัน

Warranty terms and conditions for this product are provided by Waveshare. Please refer to the product packaging or the official Waveshare webเว็บไซต์สำหรับข้อมูลการรับประกันโดยละเอียด