KL3112, KL3122 - Contact assignment and LEDs
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Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, voltage-free state before starting mounting, disassembly or wiring of the Bus Terminals! |
KL3112/KS3112, KL3122/KS3122 - 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) |
KL3112/KS3112, KL3122/KS3122 - LEDs
LED | Color | Description | |
|---|---|---|---|
Run LED1 | green | On | Normal operation |
Off | Watchdog timer overflow has occurred. If no process data is transmitted to the Bus Coupler for 100 ms, the green LEDs go out | ||
Error LED1 | red | On | Measured current outside the measuring range (> 20 mA) |
Off | Current in valid range | ||