The larger solenoid valve is powered by 220V – there’s a problem with that
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Does the 220v power supply come from the instrument’s relay cabinet or from the electrical power supply? I asked two or three people, and their answers varied
Power electricity is used for driving purposes, while control electricity is used for instruments; it’s just necessary to figure out whose responsibility each is
The alternating current here is supplied by electrical power
It must be coming from the instrument; only the power supply for the electric valve comes from the electrical system.
We are solenoid valves – whose equipment are they, and who provides the power?
Judging from how the tasks are divided among you, our side’s instruments are only responsible for 24V voltages; there is no 220V. But in some other places, it’s different
There shouldn’t be any strict rules for this, right?
I haven’t encountered any strict quality standards. I’ve encountered both situations; relatively speaking, powering the relay cabinet makes it easier for you to carry out maintenance.
Seeing the way your factory is managed, it’s possible to provide instruments; it would be best if the personnel in charge of these instruments applied for an electrician’s certificate