Cport3101R-485

Cport3101R-485 is a Modbus RS485 to Ethernet converter designed for stable, transparent, bidirectional communication between RS485 serial devices and Ethernet networks. Built on an ARM Cortex-M0 processor, it delivers high-speed data processing with low power consumption and excellent reliability—ideal for industrial IoT and automation systems.

This compact converter supports multiple working modes including TCP Server/Client, UDP Server/Client, HTTPD Client, and Modbus TCP, allowing flexible integration into existing networks. Configurable via web interface, AT commands, serial or network protocols, it enables seamless deployment and remote management.

Key features include:

• 10/100Mbps RJ45 Ethernet port with Auto-MDI/MDIX

• Wide baud rate range (600bps–460.8Kbps) and multiple parity options

• Custom heartbeat & registration packets for connection stability

• Up to 8 TCP clients, with kick-old-client option

• DHCP, DNS support, and globally unique MAC address

• Automatic reconnection, timeout restart, and short TCP connection support

• -40°C to +85°C industrial-grade operation temperature

• Firmware upgradeable via web and configurable to work through gateways, routers, or LAN/WAN environments

With robust industrial protection and global MAC registration, Cport3101R-485 is ideal for industrial automation, energy systems, smart cities, machine integration, and remote monitoring applications.