KL3311 - Contact assignment and LEDs
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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! |
KL3311 - Contact assignment
Terminal point | No. | Comment |
|---|---|---|
+TC1 | 1 | Input +TC1 |
-TC1 | 2 | Input -TC1 |
GND | 3 | Ground (internally connected with terminal point 7) |
Shield | 4 | Shield (internally connected to terminal point 8) |
n.c. | 5 | Not used |
n.c. | 6 | Not used |
GND | 7 | Ground (internally connected with terminal point 3) |
Shield | 8 | Shield (internally connected to terminal point 4) |
KL3311 - LEDs
LED | Color | Description | |
|---|---|---|---|
LED Run1 | 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 | ||
Error1 LED | red | on | Wire breakage. The resistance is in the invalid range of the characteristic curve of the respective thermocouple. |
| off | The resistance is in the valid range of the characteristic curve | |