Siemens SIMATIC IPC277D Operating Instructions Manual page 83

Limitation of Liability
All technical specifications and approvals of the device only apply if you use expansion
components that have a valid CE approval (CE mark). The installation instructions for
expansion components in the associated documentation must be observed.
UL approval of the device only applies when the UL-approved components are used
according to their "Conditions of Acceptability".
We are not liable for functional limitations caused by the use of third-party devices or
components.
Tools
Tools to open the device, see section "Opening the device". You can make repairs on the
device with the following tools:
● T20 screwdriver for protective conductor connection
● T10 screwdriver for all of the remaining screws
SIMATIC IPC277D
Operating Instructions, 12/2016, A5E03409486-AE
Device maintenance and repairs
8.3 Installing and removing hardware
83