Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual - Manual (Page 112)

Block Transfer Write and Block Transfer Read Configurations for 2 Output/2 Input 1771-N Series Modules D–8
Publication 1771ĆUM127B-EN-P - December 2002
Definition Word
Decimal Bit
(Octal Bit)
Words 10 and 11 Same as words 8 and 9 but for channel 4.
Words 12 thru 19 For factory use only
Words 20 thru 27 Null