Description; Modbus Ethernet To Serial - Seneca R-KEY-LT User Manual

DESCRIPTION

1.3.
R-KEY-LT is a Modbus RTU/ASCII Gateway with a RS232/RS485 port and a Fast Ethernet 10-100MBits.
An internal Webserver is also available for configuration and real time values view.
R-KEY-LT is configurable in 2 different modes:
Modbus Ethernet to Serial (From Modbus TCP-IP to Modbus RTU/ASCII)

Modbus Serial to Ethernet (From Modbus RTU/ASCII to Modbus TCP-IP)


MODBUS ETHERNET TO SERIAL

1.4.
In this scenario a Modbus TCP-IP master is connected with ethernet to R-KEY-LT, one or more serial Modbus
slaves (for example the Z-PC Seneca Series) are connected to the serial port.
A typical LAN connection is represented into this figure:
Also a communication with multiple clients is possible (Max 8 clients for device):
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User Manual
www.seneca.it
Doc. MI004870-EN
Rev. 1.0.0.0
R-KEY-LT
Page 6