Bridge Modbus Tcp-Ip To Modbus Rtu - Seneca Z-KEY User Manual

Modbus ethernet serial gateway and serial device server

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USER MANUAL – Z-KEY

9. Bridge Modbus TCP-IP to Modbus RTU

In this scenario a Modbus TCP-IP master is connected with ethernet to Z-KEY, one or more Modbus RTU slaves (for

example the Z-PC Seneca Series) are connected to the RS232/RS485 serial ports.

A typical LAN connection is represented into this figure:

Also a remote communication through internet with multiple clients is possible:

For internet communication the Routers connected to the Z-KEY must have a static ip address (or a DDNS service

activated).

A Maximum of 8 simultaneous Modbus TCP-IP clients is supported.

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