Siemens SIMATIC IPC477E PRO Operating Instructions Manual page 78

Expanding the device and assigning the device parameters
7.1 Opening and closing the backplane cover
Closing the backplane cover
1. Check that the seal is properly seated on the backplane cover.
Note
IP65 degree of protection at risk
If the seal on the backplane cover is damaged, the IP65 degree of protection is at risk.
The device must be repaired. Proceed as described in the section Repair information
(Page 84).
2. Place the backplane cover on the enclosure. Make sure that no cables are crimped.
Secure the backplane cover from falling down.
3. Plug in the green connection terminal again.
4. Close the terminal compartment cover.
Note
Do not exceed the permissible torque
If you tighten up the screws with a torque > 1.5 Nm, you could may the threading in the
enclosure.
5. Tighten the M4x16 screws of the backplane cover in crosswise order using a maximum
torque of 1.5 Nm. Check all screws again to ensure that the maximum torque of 1.5 Nm
has not been exceeded.
78
SIMATIC IPC477E PRO
Operating Instructions, 08/2017, A5E39912462-AA