7EN02-0390-03

Modbus Ethernet gateway

A Modbus Ethernet gateway allows multiple Modbus masters on the LAN / WAN to connect to downstream serial Modbus slave devices.
The meter’s Ethernet gateway feature extends the meter’s functionality by allowing Ethernet access to serial devices connected to the meter’s RS-485 serial communications port.

A Modbus master device, such as an energy management system, can communicate through the gateway meter to a serial network of devices connected to the gateway meter’s serial port(s). The meter receives Modbus TCP/IP data on TCP port 502, translates it to Modbus RTU then forwards it to the addressed slave device.

This functionality allows the use of monitoring software to access information from slave devices for data collection, trending, alarm/event management, analysis, and other functions.

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