Complementary I/O: Placing Modules With 1 Slot Addressing - Allen-Bradley 1747-SN User Manual
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Also See for 1747-SN:
- Installation instructions manual (12 pages) ,
- Installation instructions manual (13 pages)
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Example 1
Example 2
Complementary I/O: Placing Modules with 1 Slot Addressing
The figure below illustrates a possible module placement to
configure complementary I/O using 1-slot addressing.
I
I
O
O
I
16
16
16
16
16
0
1
2
3
4
O
O
I
I
O
16
16
16
16
16
I
I
I
I
I
16
16
16
16
16
0
1
2
3
4
O
O
O
O
O
16
16
16
16
16
I = Input Module (8 or 16 point) O = Output Module (8 or 16 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.
Overview
O
O
BT
I
O
16
16
16
16
1
5
6
7
0
1
E
M
P
I
O
O
I
T
16
16
16
16
Y
1
2
I
I
I
I
I
16
16
16
16
16
5
6
7
0
1
O
O
O
O
O
16
16
16
16
16
Publication 1747 6.6 - July 1996
1–13
O
I
16
16
2
3
I
O
16
16
I
I
16
16
2
3
O
O
16
16
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