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ADAM-6251
This 16-channel isolated digital input module is a high-performance intelligent I/O device based on the Modbus TCP communication protocol, designed specifically for industrial automation, remote monitoring, and IoT systems. The module uses dual RJ-45 Ethernet interfaces, supports daisy-chain network topology and automatic bypass protection, ensuring stable system communication while simplifying field wiring. Through the built-in web server, users can easily perform remote monitoring, configuration, and management using smartphones, tablets, or PC browsers. The module also supports GCL intelligent logic control and point-to-point communication, enabling localized intelligent control and independent operation without the need for an additional PLC.
Key Features:
🌐 Supports Modbus TCP Protocol
Compatible with mainstream PLC, HMI, and SCADA systems, easily achieving standardized network integration.
⚡ 16 Isolated Digital Input Channels
Each channel features independent optical isolation, providing strong anti-interference capabilities and suitable for complex industrial environments.
🔗 Daisy-Chain Networking and Automatic Bypass Protection
Dual RJ-45 interface design allows for multi-module serial connection and maintains network connectivity during node failures.
📱 Intelligent Remote Monitoring and Control
Supports real-time viewing of input status and system parameters via mobile phone, tablet, or web browser.
🧠 Built-in GCL Intelligent Logic and Point-to-Point Communication
Equipped with logic control functions, enabling direct interaction and automated response between modules.
🧩 Multi-Protocol and Web Language Support
Supports multiple communication protocols including Modbus TCP, TCP/IP, UDP, HTTP, and DHCP,
and is compatible with web languages such as HTML5, JavaScript, and XML, adapting to multi-platform integration development.
💾 System Configuration Backup and Firmware Management
Supports online firmware updates and parameter backups, ensuring convenient maintenance and version consistency.
🔐 User Login Access Control
Ensuring system access security through account and password mechanisms.
💡 DI/O LED Status Indicators
Provides clear display of input and communication status, facilitating on-site monitoring and troubleshooting.












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