Know the Cool Designs for Analog Outputs
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Know the Cool Designs for Analog Outputs

Today’s typical programmable logic controller (PLC) contains a multitude of analog and digital outputs for the control and monitoring of industrial and production processes. Modularization is widespread and, with respect to inputs and outputs (I/Os), covers the basic functions of analog I/Os and digital I/Os. The analog output presents a particular challenge because, as shown in Figure 1, a set value must be driven actively and with high accuracy under numerous different load conditions. The active driver stage is important here; losses should be kept as small as possible.
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