Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules - Manual (Page 70)

Configuring Your Block I/O for PLC
Family Programmable Controllers
Chapter 4
4-13
Figure 4.17
Input/Output Image Table Usage Example for One I/O Group for Series B
32Ćpoint Output Modules (cat. no. 1791Ć0A32, Ć0B32) Complemented by
Series B 16Ćpoint Input Modules (cat. no. 1791Ć16A0, Ć16B0)
110
111
010
011
Starting
I/O
Group
0
Block Data
Block Data
Type of I/O
I/O Rack Number I/O Group Number
I/O Bit
0 1 0 00
1 = Input
0 = Output
PLCĆ2 Example
10838ĆI
Type of I/O
I/O Rack Number I/O Group Number
I/O Bit
O 1 0 00
I = Input
O = Output
PLCĆ5 Family Example
11 10
7 6 5 4 3 2 1 0 16 15 14 13 12 11 10 17
7 6 5 4 3 2 1 0 16 15 14 13 12 11 10 17
11 10
7 6 5 4 3 2 1 0 16 15 14 13 12 11 10 17
7 6 5 4 3 2 1 0 16 15 14 13 12 11 10 17
Input Image
(used by Input Module)
Output Image
(used by output module)
Reserved