16 Channel Digital IO WiFi Relay Module – Seamless Networked Control for Smart Home Automation, LAN/WAN Support, and Modbus Integration


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With 16 channels of digital input and relay output, this module offers a versatile and robust solution for anyone seeking precise and reliable control.

The integration of WiFi, LAN, and Modbus support provides endless possibilities for both local and remote control. The ability to configure up to 16 independent automated controls and the inclusion of timing and linkage options make it a powerhouse for tailored smart home setups.

The mobile app and PC software add an extra layer of convenience, making this module a must-have for enhancing any home automation system.

SKU: 32966164964 Category:


Experience the pinnacle of smart home control with the HLK-DIO16 16 Channel Digital IO WiFi Relay Module. Perfect for enthusiasts and professionals alike, this module is designed to elevate your home automation system.

Whether you’re at home or away, the combination of LAN, WAN, and Modbus support ensures seamless communication and control. Utilize the flexible automated control features, configure precise timing, and enjoy the convenience of input-output linkage control.

The module’s excellent hardware design, including full isolation of input and output, guarantees reliability and long-term stability. Take your smart home to the next level with the HLK-DIO16.

High-Performance Hardware Design: The HLK-DIO16 boasts an excellent hardware design with complete isolation of input and output, ensuring high reliability and stability. The built-in watchdog and RTC clock chip further contribute to the module’s long-term stability, making it a dependable choice for smart home enthusiasts. โš™๏ธ๐Ÿ”’

Versatile Connectivity Options: With an in-built WiFi router ethernet module supporting both RJ45 ethernet connection and wireless WiFi, the HLK-DIO16 offers dual communication channels for local and remote control. The module seamlessly connects to the cloud server, allowing users to control devices remotely through the dedicated mobile app. ๐ŸŒ๐Ÿ“ฑ

Modbus Integration: The inclusion of an RS485 interface with Modbus protocol support makes the HLK-DIO16 an ideal digital IO remote acquisition and control device. This feature ensures easy integration with commonly used industrial control systems, providing a bridge for querying the status of input and output and controlling output actions. ๐Ÿ”„๐Ÿ”ง

Flexible Automated Control Features: Users can configure up to 16 independent automated controls, each with fine and free configuration options. The module supports intelligent timing control with time points and intervals, input-output linkage control with timing, and a variety of output action modes, including close, break, flip, and more. ๐Ÿ’กโฐ

User-Friendly Mobile App and PC Software: Enjoy a user-friendly experience with the dedicated mobile app and PC control software provided with the HLK-DIO16. The mobile app and software make it easy to set up and control devices, offering a simple yet powerful interface for managing your smart home system. ๐Ÿ“ฒ๐Ÿ’ป

Automatic State Change Reporting: The module provides the convenience of automatic state change reporting, ensuring that users are always aware of the current status of devices connected to the HLK-DIO16. This feature adds an extra layer of intelligence to your smart home setup. ๐Ÿ”„๐Ÿ“Š

Dry Contact and Wet Node Compatibility: Each input supports the connection of dry contact and wet node equipment, offering versatility in device compatibility. Additionally, each relay output features common open and close contacts, providing flexibility for various smart home applications. ๐Ÿ”„๐Ÿ”—

Secure and Simple Control: The HLK-DIO16 ensures a secure and straightforward control experience. The module comes with a stable and easy-to-use mobile app for remote control, allowing users to manage their smart home with confidence and simplicity. ๐Ÿ”๐Ÿก

Feature Specification
Digital IO Channels 16 Channels Digital Input, 16 Channels Relay Output
Connectivity WiFi, LAN, WAN Support, Modbus Protocol
Hardware Design Full Isolation of Input and Output, Watchdog, RTC Clock Chip
Communication Channels WiFi, RJ45 Ethernet, RS485, RS232
Automated Control Features 16 Configurable Controls, Timing, Linkage, Output Modes
Mobile App and PC Software User-Friendly Interface for Convenient Control
State Change Reporting Automatic Reporting of Device Status Changes
Compatibility Dry Contact and Wet Node Equipment, Common Open/Close Contacts


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