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Application Note 105U-G-PR2 Profibus Master

Issue 1.2 – May 2005

©ELPRO Technologies Pty Ltd

Page 9 of 13

app_105U-G_PR2_1.2.doc

From this application note we are reading 2 bits into register locations 4320 and 4321 as shown

from above Fieldbus Config mapping.

Once the I/O location is selected from

left hand menu the list of 100 registers

is shown. Registers 4320 and 4321

both have hexadecimal value of FFFF

indicating that the inputs on the slave

device are on. Digital Outputs 1 & 2

should also be on at the Gateway.

The values of the registers can be displayed in 3 formats

Hex, Decimal or Discrete (1 or 0).

To turn on the Digital outputs on the slave device this application note uses Digital inputs 7 & 8

(Regs 4306 & 4307 in the Gateway) as shown below from Fieldbus Config mapping.

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 65 66

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Elpro Technologies 105U-G Spécifications Page 47