Rockwell Automation 198x Modular DeviceNet Starter Auxiliary I/O User Manual

Page 60

4-7 Programming

Publication 198-UM001B-EN-P September 2001

To edit the I/O parameters, click the

6FDQOLVW tab and select the (GLW ,2 3DUDPHWHUV

button. The following screen will appear:

In the Polled section on the screen above, enter the size of the bytes transmitted (Tx) for your
assembly. The size can be found on the output assembly table or in the device parameters of
the MDSA as “I/O Cons. Size”.
After making the appropriate changes click the

2. butto. The following screen appears:

Select the

\HV button.

You then will be prompted with another screen telling you that the changes made will result in
additional I/O data that is not mapped, and asks whether you would like to Automap this
data. Select the

\HV button.

If you look at the mapped outputs (by selecting the

2XWSXW tab) you will notice that it has

changed and that it corresponds to the output assembly chosen. You can see from the
example that there are 2 bytes, which match the number of bytes for output assembly 100.
Select the

$SSO\ button to download the changes to the device.