ICP DAS tGW-725i tiny Modbus/TCP to RTU/ASCII gateway

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ICP DAS’s tGW-725i is a Modbus TCP to RTU/ASCII gateway that enables a Modbus/TCP host to communicate with serial Modbus RTU/ASCII devices through an Ethernet network and eliminates the cable length limitation of legacy serial communication devices.

The module can be used to create a pair-connection application (as well as serial-bridge or serial-tunnel application) and can then route data over TCP/IP between two serial Modbus RTU/ASCII devices, which is useful when connecting mainframe computers, servers or other serial devices that use Modbus RTU/ASCII protocols and themselves do not have Ethernet capability.

The product also adds 2500 VDC isolation and ±4 kV ESD protection component that diverts the potentially damaging charge away from the sensitive circuit to protect the module and equipment from the sudden and momentary electric current. Furthermore, the module features a powerful 32-bit MCU to enable efficient handling of network traffic and also has a built-in web server that provides an intuitive web management interface that allows users to modify the configuration of the module, including the DHCP/Static IP, the gateway/mask settings and the serial port settings.