EL9540 - LEDs and connection
LED  | Color  | Meaning  | |
|---|---|---|---|
Power-LED  | green  | off  | 24 VDC - field supply not available  | 
on  | 24 VDC - field supply available  | ||
Terminal point  | Description  | |
|---|---|---|
Description  | No.  | |
n.c.  | 1  | not connected  | 
+24 V  | 2  | +24 V (internally connected to terminal point 6 and positive power contact)  | 
0 V  | 3  | 0 V (internally connected to terminal point 7 and negative power contact)  | 
⏚  | 4  | Ground (internally connected to terminal point 8 and power contact ground)  | 
n.c.  | 5  | not connected  | 
+24 V  | 6  | +24 V (internally connected to terminal point 2 and positive power contact)  | 
0 V  | 7  | 0 V (internally connected to terminal point 3 and negative power contact)  | 
⏚  | 8  | Ground (internally connected to terminal point 4 and power contact ground)  |