Rockwell Automation 1772-LP3 PLC - 2/30 Programmable Controller Programming and Operations Manual - Manual (Page 324)

Addressing
Appendix A
AĆ17
Table A.A
Series B, 1771 Universal I/O Chassis, Addressing Modes vs. I/O Adapters
Addressing Mode
I/O Adapter Cat. No. I/O Points Per Module 2Ćslot 1Ćslot 1/2Ćslot
1771ĆAL ă8
16
32
A
*
X
X
X
X
X
X
X
1771ĆAS ă8
16
32
A
C
X
X
X
X
X
X
X
1771ĆASB
Series A
ă8
16
32
A
C
X
A
A
X
A
X
X
1771ĆASB
Series B
ă8
16
32
A
C
X
A
A
C
A
A
A
Legend:
A Any mix of modules in the respective pointsĆperĆmodule category.
* Specific module placement with 16Ćpoint input module in one slot of a slot pair and 8Ćpoint output module in remaining slot.
C Conditional module placement: you must use an input module and an output module in two adjacent slots, beginning with
slot 0 (i.e. 0 and 1, 2 and 3, etc.).
X Will not work.