FX2N-48MR PLC I/O distribution

PLC I/O wiring diagrams, selection of FX2N-48MR PLC, there are 18 input devices output device and 5 respectively, occupy 18 inputs of the PLC output and 5 points, invites the reader to consider whether the fourth section of this chapter describes the method can be used to reduce the amount of PLC I/O points. In order to ensure that in case of an emergency (including the PLC fails), could reliably cut off the load power supply PLC, set the AC contactor KM. PLC began running when you press the power buttons SB1, KM loop and lock, KM of main contact point connected to output devices provide power supply when an emergency occurs, press the stop button SB2,KM contacts disconnect the power.