The ADAM-4572 from Advantech is a 1-port Modbus gateway designed to bridge Modbus serial devices (RS-232/422/485) with Ethernet networks using Modbus TCP/IP. It’s a compact and reliable solution for industrial automation systems that need to integrate legacy equipment into modern network infrastructures.

 Communication & Protocols

• Serial Interface: RS-232, RS-422, RS-485 (1 port)
• Ethernet Interface: 10/100 Mbps auto-sensing
• Baud Rate: 50 to 921.6 kbps
• Supported Protocols:
  • Modbus RTU (Client/Server)
  • Modbus ASCII (Client/Server)
  • Modbus TCP
• Multi-host Access: Up to 8 clients can access field data simultaneously

 Power & Protection

• Input Voltage: 10–30 VDC
• Power Consumption: ~2.5 W
• Isolation: 3000 VDC between Ethernet and serial ports
• Surge Protection: Built-in for RS-485 and power lines
• ESD Protection: 15 kV for serial lines