Next, determine the signal value being used (e.g., 4mA to 20mA). These steps allow you to correctly connect and set your loop simulation device. On the PLC, call up the screen that shows where this ...

Your first step is to verify that the module is the correct one for this control loop — unless this specific module has worked correctly before. Whether it has or not, you need to use a meter to test ...

The simplest analog input type is the single-ended input. In this case, there will be a single input pin with no direct return or sense path back to the signal source. The conversion result will be ...

The proposed PSU design for PLC is designed to maintain constant switching frequency, even at light loads, to avoid introducing harmonics to the PLC signal. An isolated flyback converter provides ...

This is the basic circuit of a Schmitt trigger implemented with bipolar junction transistors. In the real world, an analog input signal can vary slowly in time so that the high/low transition periods ...