LEDs and connection

LEDs
| LED | Color | Meaning | |
|---|---|---|---|
| INPUT 1- 16 | green | off | Signal voltage "0" (< 5 V) | 
| on | Signal voltage "1" (> 15 V) | ||
Connection
| Terminal point | Description | |
|---|---|---|
| Name | No. | |
| Input 1 | 1 | Input 1 | 
| Input 2 | 2 | Input 2 | 
| Input 3 | 3 | Input 3 | 
| Input 4 | 4 | Input 4 | 
| Input 5 | 5 | Input 5 | 
| Input 6 | 6 | Input 6 | 
| Input 7 | 7 | Input 7 | 
| Input 8 | 8 | Input 8 | 
| Input 9 | 9 | Input 9 | 
| Input 10 | 10 | Input 10 | 
| Input 11 | 11 | Input 11 | 
| Input 12 | 12 | Input 12 | 
| Input 13 | 13 | Input 13 | 
| Input 14 | 14 | Input 14 | 
| Input 15 | 15 | Input 15 | 
| Input 16 | 16 | Input 16 |