### 尺寸及接线说明

![](https://resource.helplook.net/docker_production/3648ne/article/tUq6Mr1R/image1.jpeg)![](https://resource.helplook.net/docker_production/3648ne/article/tUq6Mr1R/image3.jpeg)

SRT3804 模块尺寸图

![](https://resource.helplook.net/docker_production/3648ne/article/tUq6Mr1R/image4.jpeg)

SRT3804 模块接线表

SRT3804 模块接线表

| **输入通道定义** | **端子丝印标识** | **外部接线说明** |
|---|---|---|
| R0\_a | 1 | R0+ |
| R0\_b | 2 | R0- |
| R0\_b | 3 | R0- |
| R0\_c | 4 | RL0 |
| R1\_a | 1 | R1+ |
| R1\_b | 2 | R1- |
| R1\_b | 3 | R1- |
| R1\_c | 4 | RL1 |
| NC | 5&amp;6 | 无需接线 |
| R2\_a | 1 | R2+ |
| R2\_b | 2 | R2- |
| R2\_b | 3 | R2- |
| R2\_c | 4 | RL2 |
| R3\_a | 1 | R3+ |
| R3\_b | 2 | R3- |
| R3\_b | 3 | R3- |
| R3\_c | 4 | RL3 |
| NC | 5&amp;6 | 无需接线 |