Gateway Modbus Tcp-Ip / Modbus Rtu (Port 1 And Port 2 Modbus Master) - Seneca Z-KEY User Manual

Modbus ethernet serial gateway and serial device server

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USER MANUAL – Z-KEY

10.

Gateway Modbus TCP-IP / Modbus RTU (Port 1 and Port 2 Modbus

Master)

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.

The Z-Key configured in Gateway is used for optimizing the Network performance and Modbus TCP-IP PLC

software. Also PLCs like Siemens™ can be connected with Modbus RTU slaves by using the free standard

Modbus TCP-IP library without the need of a customization.

A typical LAN connection is represented into this figure:

Also a remote communication through internet with multiple clients is possible, with the gateway

configuration the tags are visible through the internal webserver:

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