Chapter 4
Publication
17476.6 - July 1996
Scanner Configuration and
Programming
This chapter contains information necessary to:
• understand remote I/O image files
• understand RIO configuration using G files
• control and view RIO devices using the M0 and M1 files
• understand slot addressing
• quickly configure the RIO Scanner
The SLC system allows you to assign up to 32 words of input and
output image data to a scanner. This allows your scanner to access a
maximum of 4 full logical racks (512 input and output points) of data
from remote devices.
07815
0717 10Bit Number Octal
Logical
Rack 1
Logical
Rack 0
Logical
Rack 2
Logical
Rack 3
Input
Image
Output Image
SN Series B Scanner
(RIO Master)
Scanner Input and Output Images
The scanner
accommodates
up to 32 words
of output for
remote devices.
The scanner
accommodates
up to 32 words
of input from
remote devices.
Word 10
Word 11
Word 8
Word 9
Word 14
Word 12
Word 13
Word 15
Logical
Rack 1
Word
7
Word 5
Word 6
Word 3
Word 4
Word 1
Word 2
Word 0
Logical
Rack 0
Logical
Rack 2
Word 26
Word 27
Word 24
Word 25
Word 30
Word 28
Word 29
Word 31
Word 23
Word 21
Word 22
Word 19
Word 20
Word 17
Word 18
Word 16
Logical
Rack 3
Bit Number Decimal
07815
0717 10Bit Number Octal
Bit Number Decimal
Word 10
Word 11
Word 8
Word 9
Word 14
Word 12
Word 13
Word 15
Word 7
Word 5
Word 6
Word 3
Word 4
Word 1
Word 2
Word 0
Word 26
Word 27
Word 24
Word 25
Word 30
Word 28
Word 29
Word 31
Word 23
Word 21
Word 22
Word 19
Word 20
Word 17
Word 18
Word 16
Note that some RIO devices (e.g.,
1771) use octal bit numbers.
Understanding Remote
Input and Output Image
Files
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