Primary chassis complementary chassis, Logical rack 0 logical rack 1 – Rockwell Automation 1747-SN Remote I/O Scanner User Manual
Page 24
Publication 1747-UM013B-EN-P - January 2005
1-16 Overview
0
1
2
3
4
5
6
7
8
Slot Pair
1
2
3
4
I
I
I
I
O
O
O
O
0
1
2
3
4
5
6
7
8
Slot Pair
1
2
3
4
O
O
O
O
O
I = Input Module
= Output Module
Input Image
Output Image
= unused image space
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
1
Slot Pair
2
3
4
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
1
2
3
4
Input Image
from Primary Chassis
Output Image
from Primary Chassis
Output Image
from Complementary Chassis
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 7
Slot 7
Input Image
from Complementary Chassis
Slot
Slot
Primary Chassis
Complementary Chassis
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
1
2
3
4
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
1
2
3
4
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 7
Slot 7
Primary Chassis I/O Image
Complementary Chassis I/O Image
Scanner's I/O Image
1
2
3
4
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 7
Slot 7
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
1
2
3
4
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Group 0
Group 2
Group 4
Group 6
Group 1
Group 3
Group 5
Group 7
Group 0
Group 2
Group 4
Group 6
Group 1
Group 3
Group 5
Group 7
Both images are overlapped in the
scanner. The overlapped image
appears where the primary chassis
image is configured to reside.
In this case, the primary chassis
image is configured as starting
logical rack 0 and starting logical
group 0.
I
I
I
I
Primary Chassis Configured As:
Logical Rack Number
0
Logical Group Number
0
Image Size (logical groups)
16
Addressing Mode
1/2-slot
Primary/Complementary
Primary
Complementary Chassis Configured As:
Logical Rack Number
8 (decimal)
Logical Group Number
0
Image Size (logical groups)
16
Addressing Mode
1/2-slot
Primary/Complementary
Complementary
Logical
Rack 0
Logical
Rack 1
0
7
8
15
7
0
10
17
Decimal
Octal
0
7
8
15
7
0
10
17
Decimal
Octal
0
7
8
15
7
0
10
17
Decimal
Octal
0
7
8
15
7
0
10
17
Decimal
Octal
0
7
8
15
7
0
10
17
Decimal
Octal
0
7
8
15
7
0
10
17
Decimal
Octal
Slot Pair
Slot Pair
Slot Pair
Slot Pair
Slot Pair