4 Wire Schematic Diagram. Wiring diagram for dryer outlet 4 prong you have a proper nema dryer receptacle with a ground wire a 4 prong nema dryer cord and install it on the dryer in place of. In a 2 wire current loop the transmitter dc power supply and plc are connected in series.
2 wire transmitters as its name states a 2 wire transmitter has only 2 wires. The sensing element wires go to the pcm in which one wire is signal ground and the second wire is signal voltage. A 4 wire transmitter has 2 wires connected to a power supply and 2 signal wires connected to the plc.
The wiring diagram further down depicts another choice of wiring method.
26 chevy 4 wire alternator wiri. The wiring diagram further down depicts another choice of wiring method. Three wire cable runs between all the switches and 2 wire cable runs to the light. 4 wire thermostat wiring diagram sample.