Applications
A-3
High Speed Counter Encoder Module User Manual
In
time sampled rate counting, the counter counts the number of input
pulses during a given period. Y
ou select the sample period (1 ms, 10 ms,
100 ms, or 1 second) by setting the appropriate bits in the preset word and
by setting the control jumpers to [Internal Period] and [Reset-and-go].
The counter is reset at the start of the sample period, and the value is
loaded into Holding Register 1 at the end of the sample period. At the next
INDEX signal, the new count value is loaded into Holding Register 1, and
the previous value is pushed into Register 2.
Frequency counting mode provides a counts-per
-second value. Y
ou select the
sample period of 1 second by setting the appropriate bits in the Preset word
and by setting the control signal jumpers to [Internal Period] and
[Reset-and-go].
The counter is reset at the start of the sample period, and the value is
loaded into Holding Register 1 at the end of the sample period. At the next
INDEX signal, the new count value is loaded into Holding Register 1, and
the previous value is pushed into Register 2.
Using T
ime
Sampled Rate
Counting
Using Fr
equency
Counting
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