引脚说明
| Pin脚 | 定义 | 备注 | ||
| 1 | 2 | USBUS | USBUS | S-Bus电源USBUS由电源模块供电，并且从电源模块的供电电压Us产生。 |
| 3 | 4 | GND | GND | |
| 5 | 6 | NC | NC | |
| 7 | 8 | NC | NC | |
| 9 | 10 | GND | GND | |
| 11 | 12 | NC | NC | |
| 13 | 14 | NC | NC | |
| 15 | 16 | GND | GND | |
| 17 | 18 | Reset SW1 | Reset SW2 | 信号 |
| 19 | 20 | NC | NC | |
| 21 | 22 | NC | NC | |
| 23 | 24 | NC | NC | |
| 25 | 26 | NC | NC | |
| 27 | 28 | NC | NC | |
| 29 | 30 | NC | NC | |
| 31 | 32 | NC | NC | |
| 33 | 34 | 0V Us | 0V Us | Us用于为电源模块的电子元件供电。 |
| 35 | 36 | 0V Us | 24V Us | |
| 37 | 38 | 24V Us | 24V Us | |
| 39 | 40 | SGND | SGND | |
引脚定义
| 定义 | 说明 |
| USBUS | S-Bus电源3.3V |
| GND | S-Bus接地信号（注意：切勿与0V Up连接！） |
| Reset SW1 | 复位开关1 |
| Reset SW2 | 复位开关2 |
| NC | 不连接 |
| 0V Us | 总线侧GND |
| 24V Us | 总线侧电源24V |
| SGND | 屏蔽接地 |