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Application Note 105/905U-G-ET1 Modbus TCP

Issue 1.2 – Apr 2006

©ELPRO Technologies Pty Ltd

Page 8 of 12

app_905U-G_ModbusTCP_1.2.doc

Press “Connect” button and you should get a Green Connected indication. Then tick

“Continuous and press “Read” button.

The E-series configuration will now be continuously scanning the I/O Database in the 105/905U-

Back in the 105/905U-G Configuration section we configured Registers 1,2,3,4 to be written

across to the Fieldbus location 1,2,3,4 (Modbus Tag Commands 30001,30002, 30003, 30004)

and also Fieldbus location 1025 (Modbus Tag Command 41025) is being read into Reg 10.

We can edit the registers in the I/O Register Selection Window by double clicking on the

From here we can enter a value into the register in

the available formats i.e Hex, Decimal or Discrete.

Then press “OK” and you should notice the Tag

Value change on the OPC Server screen

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 65 66

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Elpro Technologies 105U-G Specifiche Pagina 34