Rockwell Automation 1747-BSN Backup Scanner Module User Manual
Page 23
Publication 1747-UM010B-EN-P - September 2003
Overview 1-9
e = slot number of the SLC chassis containing the 1747-BSN scanner
Transferring Data with RIO Discrete and Block Transfers
Input and output image data and command information are quickly
exchanged between a scanner and adapter using RIO discrete
transfers. RIO discrete transfers are the simplest and fastest way a
scanner and adapter communicate with each other. RIO discrete
transfers, which are transparent to the user, consist of the scanner
sending the output image data to the adapter, and the adapter
transmitting input data to the scanner. Each RIO discrete transfer also
contains scanner commands for the adapter.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
8
1
8
2
8
3
8
4
8
5
8
6
8
7
8
10
8
11
8
12
8
13
8
14
8
15
8
16
8
17
8
Device 1
RIO
Logical
Rack 0
RIO
Logical
Rack 1
RIO
Logical
Rack 2
RIO
Logical
Rack 3
Device 2
Not Used
Device 4
Device 3
Not Used
Input File Address
Bit Number (octal)
Word 0
Bit Number
Word 1
Word 2
Word 3
Word 4
Word 5
Word 6
Word 7
Word 8
Word 9
Word 10
Word 11
Word 12
Word 13
Word 14
Word 15
Word 16
Word 17
Word 18
Word 19
Word 20
Word 21
Word 22
Word 23
Word 24
Word 25
Word 26
Word 27
Word 28
Word 29
Word 30
Word 31
I:e.0
I:e.1
I:e.2
I:e.3
I:e.4
I:e.5
I:e.6
I:e.7
I:e.8
I:e.9
I:e.10
I:e.11
I:e.12
I:e.13
I:e.14
I:e.15
I:e.16
I:e.17
I:e.18
I:e.19
I:e.20
I:e.21
I:e.22
I:e.23
I:e.24
I:e.25
I:e.26
I:e.27
I:e.28
I:e.29
I:e.30
I:e.31
Rack 0 Group 0
Rack 0 Group 1
Rack 0 Group 2
Rack 0 Group 3
Rack 0 Group 4
Rack 0 Group 5
Rack 0 Group 6
Rack 0 Group 7
Rack 1 Group 0
Rack 1 Group 1
Rack 1 Group 2
Rack 1 Group 3
Rack 1 Group 4
Rack 1 Group 5
Rack 1 Group 6
Rack 1 Group 7
Rack 2 Group 0
Rack 2 Group 1
Rack 2 Group 2
Rack 2 Group 3
Rack 2 Group 4
Rack 2 Group 5
Rack 2 Group 6
Rack 2 Group 7
Rack 3 Group 0
Rack 3 Group 1
Rack 3 Group 2
Rack 3 Group 3
Rack 3 Group 4
Rack 3 Group 5
Rack 3 Group 6
Rack 3 Group 7