Dewetron DEWE-ORION-0824-20 Series, Техническое справочное руководство

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Page 51
DE-M080801E • DEWE-ORION-0824-20x • Technical Reference Manual • Printing version 1.1.2 • March 19, 2014
DEWE-ORION-0824-20x
3.2.1.9 A-Up/B-Down Encoder
The A-Up/B-Down Encoder supports two inputs, A and B. A pulse on
Input A
increments the counter on its
rising edges. A pulse on
Input B
decrements the counter on its rising edges. At every
Sample Clock
(
1
,
2
,
…,
9
) the counter value is read out.
This situation is shown in Figure 22.
0 2 3 9 7 6
Sample Clock
Input A
Synchronized Value
Input B
Counter Value 1 2 3 4 8 7 6 5
...
...
...
1 2 3 7 8 9
Figure 22: A-Up/B-Down Encoder