Features

• M0 series 32-bit ARM processor, fast speed, high efficiency
• 10/100M Auto-MDI/MDIX ethernet interface, regardless of cross-over or straight-through cable
• Configurable RS485 baudrate (600bps~230.4Kbps), supports five parity check options: None, Odd, Even, Mark, Space
• Available working modes: TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client (supports GET and POST)
• Configurable via webpage, AT commands, serial protocol, and network protocol, provides configuration protocol which can be integrated to your own software
• Supports customized heartbeat packets, make sure the connection is truthful, as well as for actively retrieving sensor data
• Supports customized registration packets, auto passing the registered packet as identifier after the connection is established, so that different devices can be distinguished
• Supports customized webpage, allows user to customize the module configuration page
• Supports RFC2217-like protocol, be able to communicate with devices whose serial setting (baudrate, data bit, etc.) may change
• KeepAlive mechanism, detects broken connection, auto re-connecting
• Supports time-out reboot (no-data reboot), ensures a long-term stable connection, configurable reboot time
• Supports DNS domain name resolution, configurable DNS server
• Supports DHCP, auto-obtained IP or static IP
• Firmware is upgradable via the network
• Restore to factory settings via software and/or hardware
• Comes with default MAC address, which is customizable
• Provided software: module configuration software, TCP/UDP testing tool, VCOM virtual serial port software
• Example code: host computer (socket ), VB, C++, Delphi, Android, iOS, etc.

Specifications

• Ethernet:
  • Connector: 4-pin RJ45
  • Communication rate: 10/100Mbps
  • Interface protection: 1.5KV electromagnetic isolation
  • Protocols: IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTPD Client
  • TX cache: 6Kbyte
  • RX cache: 4Kbyte
• RS485:
  • Connector: screw terminal (A+, B-, GND)
  • Data bit: 5bit, 6bit, 7bit, 8bit
  • Stop bit: 1, 2
  • Parity bit: None, Odd, Even, Mark, Space
  • Baudrate: 600bps~230.4Kbps
  • RX cache: 800byte
  • Hardware flow control: none
  • Interface protection:
    • 2KV ESD protection
    • RS485 pull up/down registers: 2.2KΩ
• Power:
  • Power supply: 5.0~7.0V (5V recommended)
  • Operating current: 150mA (@5V)
  • Power consumption: <1W
  • Interface protection: reverse-proof, ESD protection, anti-surge
• Environment:
  • Operating temperature: -25~75°C
  • Storage temperature: -40~105°C

Photos

Dimensions

1. RS485 TO ETH x1
2. 5V power adapter x1