Allen-Bradley 1747-SN - Logical Device Starting Address Status

4–23Scanner Configuration and Programming
Publication 17476.6 - July 1996
Logical Device Starting Address Status
Word 8 – provides status/feedback of the logical device starting
addresses you configured in word 1 of the G file (primary/normal
logical devices). Writing to M1 file word 8 will not alter the
contents of the G file.
1
Primary Logical Device Address, Word 8 M1:e.8
M1 (Status) File - Word 8
1 100100001000100
G File - Word 1
1
100
1
0000100000
Primary Logical Device Address, Word 1
0123456789101112131415
M1 File
Bit Number (decimal)
RIO Logical Rack 3
Starting Group 2
RIO Logical Rack 2
Starting Group 2
RIO Logical Rack 1
Starting Group 0
RIO Logical Rack 0
Starting Group 0
RIO Logical Rack 0
Starting Group 6
Starting Group
0246
Starting Group
0246
Starting Group
0246
Starting Group
0246
Word 3 – provides status/feedback of the logical device starting
addresses you configured in word 3 of the G file (complementary
devices). Writing to M1 file word 3 will not alter the contents of the
G file.
1
Complementary Logical Device Address,
Word 3
M1:e.3
M1 (Status) File - Word 3
1 100100001000100
G File - Word 3
1
100
1
0000100000
0123456789101112131415
M1 File
Bit Number (decimal)
RIO Logical Rack 11
Starting Group 2
RIO Logical Rack 10
Starting Group 2
RIO Logical Rack 9
Starting Group 0
RIO Logical Rack 8
Starting Group 0
RIO Logical Rack 8
Starting Group 6
Starting Group
0246
Starting Group
0246
Starting Group
0246
Starting Group
0246
Complementary Logical Device Address,
Word 3