User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 228
5.17 Digital Counter Module EP-5112
Figure 123: Digital Counter
Module EP-5112
Figure 124: Connection Diagram EP-5112
The digital counter module EP-5112 can read square-wave signals (for example, from an
incremental encoder) with a maximum input frequency of 100 kHz. Depending on the
operating mode, both 32-bit counters can count up/down independent of each other in a
preset range of values. The counters can be controlled via software by setting the
appropriate control word.
In mode Pulse and Direction, channel CH0 A and CH1 A respectively is used as the input,
channel CH0 B and CH1 B respectively is used as a direction-determining input. In
incremental mode, an incremental encoder with track A and B can be connected. A status
LED is assigned to each channel. The module electronics supply the connected sensors with
power from the input current path (IIN).
•
Two 32-bit counters (AB), invertible, 24Vdc
•
Counting frequency 100 kHz max (AB 1/2/4-times sampling or pulse and direction)
•
Comparison value, setting value, input filter (parametrizable)
•
Alarm and diagnostic function with
μ
s time stamp
•
μ
s time stamp for value counting (for example, for speed measurements)
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