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Application Note 105U-G-PR2 Profibus Master

Issue 1.2 – May 2005

©ELPRO Technologies Pty Ltd

Page 6 of 13

app_105U-G_PR2_1.2.doc

Radio I/O Register

You can see the registers are colour coded and the I/O direction can be checked. This example

shows the usage for register 4320 that it has come into the Gateway from the Fieldbus which we

have previously selected as a read command.

Fieldbus I/O Location

You can select the button

next to the I/O Location box

in the Fieldbus Interface to

show the available registers.

You will note that this

fieldbus mapping is writing

two bits into the first byte

location.

Fieldbus I/O locations are 8

bit and the available locations

are from 0 through to 2047.

There are separate read and

write area’s which range

from 0 to 2047.

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 65 66

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Elpro Technologies 105U-G Spécifications Page 44