Contact assignment and LED displays
  | |
Risk of injury through electric shock and damage to the device! Bring the Bus Terminals system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals!  | 

KL3001/KS3001 – Contact assignment
Terminal point  | No.  | Comment  | 
|---|---|---|
+Input 1  | 1  | + Input 1  | 
-Input 1  | 2  | - Input 1  | 
GND  | 3  | Internal ground (internally connected to terminal point 7)  | 
Shield  | 4  | PE contact (internally connected to terminal point 8)  | 
n.c.  | 5  | not used  | 
n.c.  | 6  | not used  | 
GND  | 7  | Internal ground (internally connected to terminal point 3)  | 
Shield  | 8  | PE contact (internally connected to terminal point 4)  | 
KL3002/KS3002 – Contact assignment
Terminal point  | No.  | Comment  | 
|---|---|---|
+Input 1  | 1  | + Input 1  | 
-Input 1  | 2  | - Input 1  | 
GND  | 3  | Internal ground (internally connected to terminal point 7)  | 
Shield  | 4  | PE contact (internally connected to terminal point 8)  | 
+Input 2  | 5  | + Input 2  | 
-Input 2  | 6  | - Input 2  | 
GND  | 7  | Internal ground (internally connected to terminal point 3)  | 
Shield  | 8  | PE contact (internally connected to terminal point 4)  | 
LED displays
LED  | Color  | Description  | 
|---|---|---|
Run1 LED   | green  | On: Normal operation  | 
