Complementary I/O: Placing Modules With 1/2 Slot Addressing - Allen-Bradley 1747-SN User Manual

1–14 Overview
Example 1
Example 2
Publication 1747 6.6 - July 1996

Complementary I/O: Placing Modules with 1/2 Slot Addressing

The figure below illustrates a possible module placement to
configure complementary I/O using 1-slot addressing.
I I O O I
01 23 45 67 01
O O I I O
I I I I I
01 23 45 67 01
O O O O O
I = Input Module (8 , 16 , or 32 point) O = Output Module (8 , 16 , or 32 point)
BT = Block Transfer Module
1 = Output modules use the same output image table bits. This is not recommended.
2 = Must be empty if corresponding primary slot is block transfer.
O O BT O I
1
23 45 67 01 23
E
M
P
I O I O
T
Y
1 2
I I I I I
23 45 67 01 23
O O O O O