Omron DRT2 Series Operation Manual page 52

Section 3-2
DeviceNet Remote I/O Communications
6. In the same way as above, click the I/O Allocation (OUT) Tab and edit the
I/O allocations. Set to block 1, allocated 3200.
7. Return to the General Tab Page and click Download.
Note When Auto allocation as is registered. is selected in the General Tab Page,
each time the connection path is set, a message will be displayed indicating
that the current I/O allocations have been deleted because the connection
has been changed. To set the connection path, deselect Auto allocation as is
registered. before registering the Slaves.
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