Signal | Wiring method | Line Color | Wiring definition |
4-20mA | Two-wire system | Red | 24VDC+ |
Blue | Current+ | ||
Three-wire system | Red | 24VDC+ | |
Black,Orange | 24VDC- | ||
Blue | Current+ | ||
Four-wire system | Red | 24VDC+ | |
Black | 24VDC- | ||
Blue | Current+ | ||
Orange | Current- | ||
0-5V/ 0-10V | Three-wire system | Red | 24VDC+ |
Black,Blue | 24VDC- | ||
White | Voltage+ | ||
Four-wire system | Red | 24VDC+ | |
Black | 24VDC- | ||
White | Voltage+ | ||
Blue | Voltage- | ||
RS485 | Four-wire system | Red | 24VDC+ |
Black | 24VDC- | ||
Green | RS485 A | ||
White | RS485 B |