Rockwell Automation 1756-RIO ControlLogix Remote I/O Communication Interface Module User Manual - Manual (Page 59)

Publication 1756-UM534B-EN-P - November 2010 59
Configure Scanner Mode Chapter 2
Clear Block Transfer Module Data Mappings
Follow these steps to clear the mappings for block transfer data.
1. On the 56RioCfgScan dialog box, from the expanded rack, right-click
on the block-transfer module and select BT Module Clx Map - Clear.
2. On the Clear BT Module Map dialog box, confirm that you want to
clear the BT Module mappings, and click Yes.