* Question
| What are the external terminal parts of the PLC and what is the function? |
* Answer
| External terminals include PLC power terminals (L, N, 〨), DC 24V power terminals (24, COM) for external sensors, input terminals (X), output terminals (Y), and so on.The external terminal mainly completes the connection of the input/output (ie, I/O) signal, and is a bridge connecting the PLC with external devices (input devices, output devices). |
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