[align=center][table=98%][tr][td=1,1,86%][/td][/tr][tr][td][table=98%][tr][td][/td][/tr][tr][td=1,1,78%] Four-wire to Two-wire Converter Principle I. Forward Output (Pins 1 and 3 shorted, Pin 2 connected to Pin 6, Pin 4 connected to Pin 5, output Pin 5 and Pin 6) 1 -● 24VDC 2 +○ ○＋ 6 Transmitter Receiver 4-20mA 4 +● ●－ 5 4-20mA 3 -○ II. Reverse Output (Pins 2 and 6 shorted, Pin 1 connected to Pin 3, Pin 4 connected to Pin 5, output Pin 3 and Pin 4) 1 -● ○－ 3 24VDC 2 +○ Transmitter Receiver 4-20mA 6 +● 4-20mA 5 -○ ●＋ 4 [/td][/tr][/table][/td][/tr][/table][/align]