Publication 1747-UM013B-EN-P - January 2005
4-6
Scanner Configuration and Programming
IMPORTANT
Setting device addresses in word 3 of the G file
configures the system to operate in the
complementary I/O mode. Not setting device
addresses in word 3 causes the system to operate
only in the primary/normal mode. If you wish to
operate in the complementary mode and you only
have primary devices configured, word 3 of the G
file must be set to a decimal “1,” and word 4 of the G
file must be equal to zero.
1
0
1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
1
0
0
0
1
0
0
1
0
0
1
1
1
1
1
1
1
0
0
1
1
1
Bit Number
0
2
4
6
0
2
4
6
0
2
4
6
RIO Logical Rack 3
Starting Logical Group
0
2
4
6
I/O Mix, Word 0
Primary/Normal Logical Device Address,
Word 1
Primary/Normal Logical Image Size,
Word 2
G File
Contains scanner
information for the SLC.
Your programming device
automatically sets the
scanner information.
Specifies the RIO
starting addresses of
primary/normal logical
devices.
Specifies the logical
image size assigned to
primary/normal logical
devices set in Word 1.
RIO Rack 0
Image Size
0
2
4
6
RIO Rack 1
Image Size
0
2
4
6
RIO Rack 2
Image Size
0
2
4
6
RIO Rack 3
Image Size
0
2
4
6
Full Logical Rack Device
Half Logical Rack Device
Three Quarter Logical Rack Device
Quarter Logical Rack Devices
RIO Logical Rack 2
Starting Logical Group
RIO Logical Rack 1
Starting Logical Group
RIO Logical Rack 0
Starting Logical Group
1
1
0
0
1
0
0
0
0
1
0
0
0
1
0
0
1
0
0
1
1
1
1
1
0
1
1
0
0
1
1
1
0
2
4
6
0
2
4
6
0
2
4
6
RIO Logical Rack 1
1
Starting Logical Group
0
2
4
6
Complementary Logical Device Address,
Word 3
Complementary Logical Image Size,
Word 4
RIO Rack 8
Image Size
0
2
4
6
RIO Rack 9
Image Size
0
2
4
6
RIO Rack 10
Image Size
0
2
4
6
RIO Rack 1
1
Image Size
0
2
4
6
RIO Logical Rack 10
Starting Logical Group
RIO Logical Rack 9
Starting Logical Group
RIO Logical Rack 8
Starting Logical Group
Specifies the RIO
starting addresses of
complementary logical
devices.
Specifies the logical
image size assigned to
complementary logical
devices set in Word 3.
Note: A complementary logical rack is always
numbered 8 above its primary logical rack. Also, logical
racks 8, 9, 10, and 11 are sometimes referred to as
complementary logical racks 0, 1, 2, and 3.
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