What are the differences between three-wire pressure transmitters and two-wire pressure transmitters in wiring and power supply? Where does the higher price of Xi'an Shenghongchuang's three-wire type come from?

When selecting a two-wire pressure transmitter, which parameters of Xi'an Shenghongchuang's products need to be prioritized for confirmation to match the site conditions?

Is a pressure transmitter powered by 24V required to use a dedicated power supply? Can this model from Xi'an Shenghongchuang be connected directly to a PLC?