©ELPRO Technologies Pty Ltd
Page 1 of 12 app_905U-G_ModbusTCP_1.2.doc
PURPOSE
The purpose of this document is to provide the reader with an application note for setting up
an OPCServer, (KEPServer Enterprise) communicating Modbus TCP with an Elpro
105/905U-G-ET1 gateway.
This application should be read in conjunction with user manuals for details on powering and
programming 105/905U-G. The reader would also have a firm understanding of the Modbus
TCP protocol and programming the KEPWares KEPServer OPC Server.
MATERIALS
Kepware KEPServer OPC Server Software,
105/905U-G-ET1,
E-Series Configuration utility,
RS232 DB9 serial cable,
RJ45 Ethernet cables and Network Hub (depending on connection crossover cables may be
needed)
105/905U-G CONFIGURATION
Under Ethernet Settings the modules IP address needs to be set. If going through a network
then this address will need to be entered also under Gateway address. Ensure the Enable
Ethernet/IP checkbox has been Disabled and Enable Modbus Server has been enabled.
ELPRO Technologies Pty Ltd
Application Note: 105/905U-G-ET1 Modbus TCP & OPC Server
app_105/905U-G_ModbusTCP_1.2.doc
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