Đấu dây bên trong hộp thiết bị đầu cuối
Cặp nhiệt điện
| Wiring method | general form | 2 pairs |
|---|---|---|
| exterior | ||
| Terminal box format | Y, Z | Z. |
| Coating appearance | ||
| Coating color: Wiring symbol | Red: +, White: - | 1st pair Red: 1+, White: 1- 2nd pair Red: 2+, White: 2- |
RTD
| Wiring method | general form | 2 pairs | 4-wire system |
|---|---|---|---|
| exterior | |||
| Terminal box format | Z. | G. | G. |
| Coating appearance | |||
| Coating color: Wiring symbol | Red: A, White: B, White: B | 1st pair Red: 1A, White: 1B, Black: 1B 2nd pair Blue: 2A, Green: 2B, Yellow: 2B | Red: A, Red: A, White: B, White: B |