User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 278
Figure 156: Digital Pulse
Width Modulation Output
EP-5422
Figure 157: Connection Diagram EP-5442
Output Module EP 5442
The digital pulse width modulation modules EP-5442 is used for the control of small motors
with current requirements of up to 2 A. The period duration for each channel can be
parameterized from 25
μ
s to approx. 175ms (input values from 1,202 to 8,388,607 based
on a factor 0.02083
μ
s).
Via an output double word in the process data the pulse duration is defined from 0
μ
s to
approx. 175ms for each channel (input values from 0 to 8,388,607 based on a factor
0.02083
μ
s).
If the pulse duration exceeds the duration of the period, the output is set permanently. In
another output word the output mode is switched, and the output is being started and
stopped. Deactivated outputs are set to GND.
For each channel the current status can be read in a status word. A status LED is assigned to
each channel. The outputs are supplied with power from the output current path (IOUT).
The module is protected against external voltages between 0 V and the operating voltage.
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