Chapter 7 IO Module
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Figure 7-55 Counter Mode
7.8.3.2 Encoder × 1 Mode
In encoder × 1 mode, A-end and B-end input signal maximum allowable frequency are 1MHz with 90°
phase difference. When the A-end is ahead of the B-end, addition count and counts when the rising
edge of the A-end signal arrives. When the B-end signal is 90°ahead of the A-end signal, subtraction
count and counts when the falling edge of the A-end signal arrives.
Figure 7-56 Encoder × 1 Mode of the Counting Module
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