Beckhoff KL6811 Documentation page 17

Terminal housing
Wire size width (conductors with a wire end sleeve)
Wire size width (single core wires)
Wire size width (fine-wire conductors)
Wire size width (ultrasonically "bonded" conductors)
Wire stripping length
Shielding
Shielding
Analog sensors and actors should always be connected with shielded, twisted paired wires.
KL6811 Version: 2.0.0
Mounting and wiring
High Density Housing
2
0.14 ... 0.75 mm
2
0.08 ... 1.5 mm
2
0.25 ... 1.5 mm
2
only 1.5 mm (see notice [} 16]!)
8 ... 9 mm
17