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Chapter 5 Detailed Descriptions of I/O Modules
5.20 Digital Pulse Width Modulation Output Module EP- 5442
Digital Pulse Width Modulation
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 μs to approx. 175 ms (input values from 1202 to 8388607 based on a factor 0.02083 μs).
Via an output double word in the process data the pulse duration is defined from 0 μs to approx. 175
ms for each channel (input values from 0 to 8388607 based on a factor 0.02083 μs).
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 an 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.
GFK-2958E
RSTi-EP User Manual
228
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