PLC control pump motor wiring schematic

Single chip microcomputer STM32L151CCU6

Mobile phone crystal 3.2*2.5mm 3225 26M (26.000MHZ) 7.5PF 10PPM 20PPM 30PPM

RF cable can be customized for other specifications

inductance

PLC control pump motor wiring schematic: working principle is M2, M1 normal operation; M3 standby water pump; M1, M3 manual / automatic switching; M2, M3 manual / automatic switching.