Body Size: 40, Thread: N (NPT), Port: 06 (3/4), Option: E1 (Output: NPN output / Electrical entry: Wiring bottom entry), Attachment: SV1 (S + V1), Semi-Standard 1: Standard, Semi-Standard 2: ZA (Digital Pressure Switch: With Unit Conversion Function)

Body Size: 40, Thread: N (NPT), Port: 06 (3/4), Option: E3 (Output: PNP output / Electrical entry: Wiring bottom entry), Attachment: SV1 (S + V1), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 40, Thread: N (NPT), Port: 06 (3/4), Option: E1 (Output: NPN output / Electrical entry: Wiring bottom entry), Attachment: SV1 (S + V1), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: -, Thread: -, Port: -, Option: -, Attachment: -, Semi-Standard 1: -, Semi-Standard 2: -

Body Size: 40, Model Type: Air Filter + Mist Separator + Regulator, Thread: Rc, Port Size: 3/4, Float Type Auto Drain: w/o Auto Drain, Pressure Gauge/Digital Pressure Switch: w/o Pressure Gauge, Attachment: without Attachment, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl Type + Lubricator: Standard (Polycarbonate Bowl + Lubricator), Bowl Guard: None, Air Filter Drain Port: w/Drain Cock, Exhaust

Body Size: 40, Model Type: C (Air Filter + Mist Separator + Regulator), Thread: Rc, Port Size: 06 (3/4), Float Type Auto Drain: w/o Auto Drain, Pressure Gauge/Digital Pressure Switch: w/o Pressure Gauge, Attachment: without Attachment, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl Type + Lubricator: Standard (Polycarbonate Bowl + Lubricator), Bowl Guard: None, Air Filter Drain Port: w/Drain

Body Size: 40, Thread: Rc, Port: 06 (3/4), Option: D [Float Type Auto Drain (N.O.)], Attachment: V1 (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right->Left)

Body Size: 40, Thread: Rc, Port: 06 (3/4), Option: D [Float Type Auto Drain (N.O.)], Attachment: T (T spacer), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right->Left)

Connect one of the wires of the valve to the output terminal block (from SV1), and connect the other wire to the common terminal block (COM). (There is no polarity.) The outputs are output sequentially from SV1 terminals.
The wires used should have a conductor effective area of 0.5 to 1.25 mm2.
The VXFC□A/D operation manual can be found https://www.smcpneumatics.com/Part-Builder-Links_ep_2458-1.html?https://smccatalog.partbuilder.smcpneumatics.com/support/faq/en-jp/?ca_id=fluid-process-valves&fa_id=10548