Plc control pneumatic valve with feedback

First of all, we should understand that valves are divided into two categories-valves controlled by switching values and proportional regulating valves controlled by analog quantities.

There is no feedback from the valve switch (no such statement)

Proportional control valve with feedback (feedback input of PLC input)

The pneumatic valve you mentioned should be controlled by an on-off valve. The solenoid valve has no feedback function, only the pneumatic actuator-cylinder with magnetic switches (generally two with both ends in place) is used to detect whether the cylinder is in place (this is also the input signal of PLC-to detect whether the solenoid valve is open and whether the cylinder is in place). There is no conclusion about several inputs and outputs, which is necessary (some don't need magnetic switches).

Your supplementary question

It can be solved in man-machine and PLC programming.

In one case, the button attribute can be set as a changeover switch in the man-machine interface, and there is no need to process it in the PLC (such as directly controlling the output of PLC Y0).

In both cases, the button attribute is set as a reset switch in the man-machine interface, and it needs to be programmed in PLC (you can refer to a button to realize the start-stop control function, because PLC is different, instructions are different, and there are many methods. For example, Mitsubishi has an instruction ALT-he to reverse the current state, that is, press on, then press off, and so on.