Rockwell Automation 2755 Enhanced Decoder Series B User Manual
Page 121
8–8
Configuration: Extended Match Table and Counters
Publication 2755-833
Match
Internal Status of Counters
On Terminal Display
➀
Match #
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
0
0
0
0
0
1
3
0
1
•
•
•
•
>1
3
•
1
1
0
0
0
0
0
3
0
1
•
•
•
•
1
>3
•
1
2
0
0
0
0
0
2
0
1
•
•
•
•
1
3
•
>1
3
0
0
0
0
0
2
0
0
•
•
•
•
1
>3
•
1
4
0
0
0
0
0
1
0
0
•
•
•
•
1
>3
•
1
5
0
0
0
0
1
3
0
1
•
•
•
•
>1
3
•
1
6
0
0
0
0
0
3
0
1
•
•
•
•
1
>3
•
1
7
0
0
0
0
0
2
0
1
•
•
•
•
1
3
•
>1
8
0
0
0
0
0
2
0
0
•
•
•
•
1
>3
•
1
9
0
0
0
0
0
1
0
0
•
•
•
•
1
>3
•
1
10
0
0
0
0
1
3
0
1
•
•
•
•
>1
3
•
1
11
0
0
0
0
0
3
0
1
•
•
•
•
1
>3
•
1
12
0
0
0
0
0
2
0
1
•
•
•
•
1
3
•
>1
13
0
0
0
0
0
2
0
0
•
•
•
•
1
>3
•
1
14
0
0
0
0
0
1
0
0
•
•
•
•
1
>3
•
1
➀ Tinted cells in this table show location of indicator arrow (“greater than” symbol). Cells are not
highlighted on screen.
Note that the numbers displayed on the terminal during processing
do not change as loading progresses. Only the “greater than” symbol
changes, moving as necessary to indicate the next scheduled discrete
activation.
Note also that the value in each vertical (output) column has
meaning only in relation to the other values on the same horizontal
(match entry) row. To find the percentage of cases in which a given
loading value will fire, simply divide that value by the sum the
values for that match, then multiply by 100.
0 + 0 + 0 + 0 + 1 + 3 + 0 + 1 = 5
In the example above, discretes 5 and 8 will each fire 20% of the
time (1/5*100), while discrete 6 will fire 60% of the time (3/5*100).