Mounting and connecting the device 
  3.3 Connecting the device 
SIMATIC IPC PX-39A PRO 
Operating Instructions, 11/2022, A5E51699950-AA  
53 
Closing the terminal compartment cover 
1.  Check that the seal is properly seated on the terminal compartment cover. 
Note 
IP65 degree of protection at risk
 
If the seal on the terminal compartment cover is damaged, IP65 degree of protection is at 
risk. The device must be repaired. 
 
  Proceed as described in the section "Repair information (Page 80)". 
2.  Place the terminal compartment cover on the backplane cover. Make sure that no cables are 
crimped. 
Secure the terminal compartment cover from falling down. 
3.  Tighten the M4x16 screws of the terminal compartment cover using a maximum torque of 
1.5 Nm. 
e 
Do not exceed the permissible torque
 
If you tighten up the M4x16 screws with a torque of >
 1.5 Nm, you may damage the 
threading in the enclosure.