| BECKHOFF KL3132, KL3142, KL3152, KL3162, KL3172, KL3182: Mounting and Wiring |
Connection
 Danger |
Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or wiring of the Bus Terminals! |
| Terminal point | No | Connection for |
|---|---|---|
| Input 1+ | 1 | + input channel 1 |
| Input 1- | 2 | - input channel 1 |
| GND | 3 | internal ground (internally connected with terminal point 7) |
| Shield | 4 | PE contact (internally connected with terminal point 8) |
| Input 2+ | 5 | + input channel 2 |
| Input 2- | 6 | - input channel 2 |
| GND | 7 | internal ground (internally connected with terminal point 3) |
| Shield | 8 | PE contact (internally connected with terminal point 4) |
 Attention |
From hardware version 01 two power contacts are transfered to the next terminal. But they are not used by the KL31x2. Please note this if you replace hardware version 00 with higher versions. The hardware version of your terminal can be found in the serial number printed at the side of the terminal. |