Modbus Gateways

ATOP's range of Modbus Gateway provide seamless conversion between ethernet-based Modbus TCP and serial-baed Modbus RTU/ASCII.

  • MB5201

    Compact 1-Port Industrial Modbus TCP/RTU/ASCII Gateway, Field-Mount 1 x software-selectable RS-232/485/422 port 1 x 10/100Mbps RJ45 Fast Ethernet port Supports TCP server/client, UDP, Virtual COM and Tunneling modes Modbus TCP/RTU/ASCII Configuration via Web Server page, Serial Console, Telnet Console, and Windows Utility Upgradable firmware via Ethernet from a remote-PC Rugged metal casing; industrial EMC protection


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  • MB5202

    Compact 2-Port Industrial Serial Device Server, Field-Mount 2 x software-selectable RS-232/485/422 port 1 x 10/100Mbps RJ45 Fast Ethernet port or 100Mbps SFP Slot Supports TCP server/client, UDP, Virtual COM and Tunneling modes Configuration via Web Server page, Serial Console, Telnet Console, and Windows Utility Integrated SNMPv1/v2c/v3, HTTPS, Telnet and SSH configuration Upgradable firmware via Ethernet


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