Rockwell Automation 1747-ASB Remote I/O Adapter - Manual (Page 53)

Publication 1747-UM006B-EN-P - June 2003
Addressing 3-17
The following table provides the specialty I/O module mapping used
when discrete mode is selected.
The 1747-ASB module can block transfer map a maximum of eight
words.
Max. Specialty I/O
Module Image Size Addressing
Mode Specialty I/O
Module Mapping I/O Module
Examples
1 Word
2-slot Discrete
1747-KE 1-slot Discrete
1/2-slot Discrete
2 Words
2-slot Block transfer
1746-NIO4I,
-NIO4V
1-slot Discrete
1/2-slot Discrete
3 or 4 Words
2-slot Block transfer
1746-NI4,
-NO4V,
-IMC110
1-slot Block transfer
1/2-slot Discrete
5 to 8 Words
2-slot Block transfer
1746-BAS,
-NR4, -NT4,
-HSTP1
1747-DCM
1-slot Block transfer
1/2-slot Block transfer