LEDs and connection
 Fig.16: EL1722
Fig.16: EL1722| 
 | |
| Risk of electric shock! Bring the Bus Terminal system into a safe, de-energized state before starting installation, disassembly or wiring of the terminal modules! | 
| EL1722 - LEDs | |||
|---|---|---|---|
| LED | Color | Meaning | |
| INPUT 1 | green | off | Signal voltage "0" (0 V ... 40 V) | 
| on | Signal voltage "1" (79 V ... 260 V) | ||
| EL1722– connection | ||
|---|---|---|
| Terminal point | Description | |
| Designation | No. | |
| Input 1 | 1 | Input 1 | 
| n.c. | 2 | not connected | 
| N | 3 | Neutral conductor for input 1 (internally connected to terminal point 7) | 
| n.c. | 4 | not connected (bridged with terminal point 8) | 
| Input 2 | 5 | Input 2 | 
| n.c. | 6 | not connected | 
| N | 7 | Neutral conductor for input 2 (internally connected to terminal point 3) | 
| n.c. | 8 | not connected (bridged with terminal point 4) | 
