| 1. | 4 dry contact inputs , each with a led for status indication 4路干接输入及led状态显示 |
| 2. | 16 dry contact inputs , each with a led for status indication 路干接输入及led状态显示 |
| 3. | 24 dry contact inputs , each with a led for status indication 24路干接输入及led状态显示 |
| 4. | 32 dry contact inputs , each with a led for status indication 32路干接输入及led状态显示 |
| 5. | 64 dry contact inputs , each with a led for status indication 64路干接输入及led状态显示 |
| 6. | 4 on - board relay outputs , each with a led for status indication , 4路继电器输出及led状态显示 |
| 7. | 10 on - board relay outputs , each with a led for status indication , 路继电器输出及led状态显示 |
| 8. | 8 on - board relay outputs , each with a led for status indication , 8路继电器输出lcd 16x2字显示 |
| 9. | 24 on - board relay outputs , each with a led for status indication , 24路继电器输出及led状态显示 |
| 10. | To save power , status indication led can be auto turned off 输入输出状态显示led可关闭以节省电源 |