Y201-R MiniLink Serial-to-Ethernet DTU

Serial to Ethernet Converter

Serial-to-Ethernet industrial DTU for RS485, RS232, or TTL devices, with browser-based configuration, dual socket channels, and Modbus RTU-to-TCP conversion.

RS485
RS232
TTL
Ethernet
Modbus Gateway
Mini DTU

Key Features

RJ45 Ethernet uplink with Socket A and Socket B for multi-center data access

Supports TCP, UDP, HTTP, and MQTT connectivity with up to 8 TCP clients per server port

Built-in Modbus RTU to Modbus TCP gateway, registration packets, heartbeat packets, and auto-reconnect

5 to 36 VDC input and browser-based configuration without a dedicated PC utility

Specifications

Power Supply

Voltage: DC 5~36V
Processor: Dual-core 240 MHz MCU

Serial Interfaces

Serial Type: RS485 / RS232 / TTL depending on SKU

Ethernet

Network Interface: RJ45 Ethernet
Socket A: TCP server / TCP client / UDP server / UDP client / HTTP client / MQTT client
Socket B: TCP client / UDP server / UDP client
Tcp Server Concurrency: Up to 8 clients per port

Gateway Functions

Modbus Gateway: Modbus RTU to Modbus TCP when enabled
Registration Packets: FIRST / EVERY / ALL
Heartbeat: Network heartbeat for TCP/UDP client and serial heartbeat for the serial side