Siemens SIMATIC 6ES7158-3MU10-0XA0 Hardware Installation And Operating Manual page 27

Assembling
3.6 Strain relief
Procedure
To install the strain relief, follow these steps:
1. Press the strain relief below the BusAdapter seat of the PROFINET device.
2. Fasten the strain relief (1 screw with 0.7 to 0.8 Nm tightening torque).
3. Plug the BusAdapter into the PROFINET device.
4. Screw the BusAdapter to the PROFINET device (1 screw with 0.2 Nm tightening torque).
5. Fasten each PROFINET cable individually to the strain relief with the cable ties.
Figure 3-3
26
Strain relief installed
Hardware Installation and Operating Manual, 07/2020, A5E50018670-AA
PN/MF Coupler