
Rockwell Automation Publication 750COM-UM002B-EN-P - October 2012 45
Configuring the I/O Chapter 4
12. Edit the following:
13. Click Apply.
14. Click the Scanlist tab to begin the drive I/O configuration.
The Available Devices left box shows devices that are presently on the
DeviceNet network but are not yet configured. The Scanlist right box
shows devices that are presently on the DeviceNet network and are
configured.
15. For this example, uncheck Automap on Add.
Box Setting
Interscan Delay Sets the scanner time delay between consecutive I/O scans on the network. For this
example, we recommend using the default setting of 10 milliseconds.
TIP: When numerous drives are on the network and the drives are faulting on a Comm
Loss, increasing this value may help.
Foreground… Sets the ratio of foreground to background polls. For this example, we recommend using
the default setting of 2.
Slot Sets the slot location in which the scanner is installed. For this example, Slot 3 is
selected.
The Automap on Add box is checked by default and allows RSNetWorx
for DeviceNet software to automatically map the drive I/O into the
scanner in the next available registers. The mapping is based on the
minimum I/O requirements (8 bytes for input and 8 bytes for output)
that the scanner obtains from the drive EDS file.
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